Rev.04.10.12_#1.0 DS2900-3 Series Page 1 DS2900 2900 Watts Distributed Power System Total Power: 2900 Watts Input Voltage: 180-264 Vac # of Outputs: Main + standby Special Features • Active power factor correction • EN61000-3-2 harmonic compliance • Active AC inrush control • 2U X 3U form factor Product Descriptions 3 • 24.8 W / in • +12 Vdc Output The DS2900 power supply features a very wide 180V to 264 Vac input voltage • +3.3 Vdc stand-by range and employ active power factor correction to minimize input harmonic (5 V standby - consult factory) current distortion and to ensure compliance with the international EN61000-3-2 • No minimum load required standard – they have a power factor of 0.99 typical. The power supplies also • Hot plug operation feature active ac inrush control, to automatically limit inrush current at turn-on to • N + 1 redundant 50 A maximum, and is protected against overvoltage conditions up to 130 • Internal OR’ing fets percent. • Active current sharing The power supply employs a new patent-pending ultra high efficiency conversion (10 - 100% load) 2 topology, together with an innovative power transformer and rectifier construction • I C communication interface bus that further improves power density and reduces interconnect power losses. The • PMBus compliant power supply’s main +12 Vdc payload output is digitally programmable over the • EERPOM for FRU data 2 range 11.52 to 12.48Vdc, and users have a choice of standard I C or advanced • 2 LED (Green and Amber) PMBus communications. The control software runs under Windows® on any • Internal fan speed control standard PC, and uses a highly intuitive graphical user interface to simplify • INTEL, SSI Std. logic timing power supply set-up. • INTEL, SSI Std. FRU data format • Full digital control The DS2900 can deliver up to 240 A from its main +12 Vdc payload output, and • Two year warranty up to 3A from its +3.3 Vdc auxiliary output. The supply has a 2U x 3U form factor and has a power density of more than 24.8 watts per cubic inch. The Safety DS2900 can achieve a very high – 91 percent typical – conversion efficiency at 50 percent load. UL/cUL 60950 (UL Recognized) NEMKO+ CB Report EN60950 EN60950 CE Mark China CCC Rev.04.10.12_#1.0 DS2900-3 Series Model Numbers Page 2 Output Minimum Maximum Stand-By Standard Air Flow Direction Voltage Load Load Supply Normal DS2900-3 12.0Vdc 0A 240A 3.3V@3A (DC Connector to Handle) Normal DS2900-3-002 12.0Vdc 0A 240A 5.0V@2A (DC Connector to Handle) Reversed DS2900-3-003 12.0Vdc 0A 240A 5.0V@2A (Handle to DC Connector) Reversed DS2900-3-004 12.0Vdc 0A 240A 3.3V@3A (Handle to DC Connector) Options None Rev.04.10.12_#1.0 DS2900-3 Series Electrical Specifications Page 3 Absolute Maximum Ratings Stress in excess of those listed in the “Absolute Maximum Ratings” may cause permanent damage to the power supply. These are stress ratings only and functional operation of the unit is not implied at these or any other conditions above those given in the operational sections of this TRN. Exposure to any absolute maximum rated condition for extended periods may adversely affect the power supply’s reliability. Table 1. Absolute Maximum Ratings: Parameter Model Symbol Min Typ Max Unit Input Voltage: AC continuous operation All models V 180 - 264 Vac IN,AC Maximum Output Power (Main + Stand-by) All models P - - 2900 W O,max Isolation Voltage Input to outputs All models - - 2500 Vdc Input to safety ground All models - - 2500 Vdc Outputs to safety ground All models - - NA Vdc 1 O Ambient Operating Temperature All models T 0 - +70 C A O Storage Temperature All models T -40 - +85 C STG Humidity (non-condensing) Operating All models 20 - 90 % Non-operating All models 10 - 95 % Altitude Operating All models - - 10,000 feet Non-operating All models - - 30,000 feet O Note 1: With power derating at 70 C Rev.04.10.12_#1.0 Input Specifications DS2900-3 Series Page 4 Table 2. Input Specifications: Parameter Conditions Symbol Min Typ Max Unit Operating Input Voltage, AC V 180 230 264 Vac IAC RMS Input Vac Source Frequency f 47 50/60 63 Hz IAC Maximum Input Current V = 180V I - - 20 A IAC AC I,max RMS (I = I , I = I ) O O,max VSB VSB,Max Standby Input Current I - - 250 mA I,standby RMS (V Off, I = 0A) V = 180V O VSB IAC AC No Load Input Current I - - 600 mA I,no_load RMS (V On, I = 0A, I = 0A) V = 180V O O VSB IAC AC No Load Input Power P I,no_load V = 180V - - 60 W IAC AC (V On, I = 0A, I = 0A) O O VSB Harmonic Line Currents All THD Per IEC1000-3-2 Power Factor All - 0.99 - Startup Surge Current (Inrush) V = 264V - - 50 A O IAC AC PK @ 25 C Internal, L and N Input Fuse 5x20mm, Quick Acting - - 25 A 25A, 250V Isolation – Input to Output - 2500 - Vdc Isolation – Input to Chassis - 2500 - Vdc V = 240V IAC AC Leakage Current to earth ground f = 50/60 Hz - - 1.4 mA IAC PFC Switching Frequency All f 50 60 kHz SW,PFC I = I O O O,max Operating Efficiency @ 25 C η V = 230V 90 - - % IAC AC System Stability: 45 Ø Phase Margin - - 10 dB Gain Margin Rev.04.10.12_#1.0 Output Specifications DS2900-3 Series Page 5 Table 3. Output Specifications: Parameter Condition Symbol Min Typ Max Unit All models V 11.52 12.0 12.48 O Inclusive of set-point, DS2900-3 temperature change, V 3.135 3.30 3.465 VSB Output Regulation DS2900-3-004 V warm-up drift and dynamic load DS2900-3-002 V 4.75 5.00 5.25 VSB DS2900-3-003 All models V - - 120 O Measure with a 0.1μF DS2900-3 ceramic capacitor in V - - 60 VSB Output Ripple, pk-pk DS2900-3-004 parallel with a 10μF mV PK-PK tantalum capacitor, 0 DS2900-3-002 to 20MHz bandwidth V - - 60 VSB DS2900-3-003 All models 180 - 264Vac I 0 - 240 O DS2900-3 All I 0 - 3.0 VSB Output Current DS2900-3-004 A DS2900-3-002 All I 0 - 2.0 VSB DS2900-3-003 Ripple Frequency All f 130 150 kHz SW,DC-DC V Current Share Accuracy All - - 10 %I O O V Minimum Current Share Loading 10 - - %I O O,max Main Output Current Number of Parallel Units - - 8 unit Share connected V Load Capacitance Start up - 0 - 6000 μF O 10% - 100%load V Dynamic Response change, O Peak Deviation slew rate = 1A/μs ±%V - - 3 % O Settling Time 12000uF additional T - - - μSec s load capacitance V Long Term Stability After thermal O ±%V 0.2 % O Max change over 24 hours equilibrium (30 mins) Rev.04.10.12_#1.0 System Timing Specifications DS2900-3 Series Page 6 Table 4. System Timing Specifications: Label Parameter Min Typ Max Unit T1 Delay from AC being applied to V being within regulation - - 1500 mSec SB Delay from AC being applied to output voltages being within T2 - - 3000 mSec regulation with PS_ON asserted low. T3 V rise time, 10%V to V in regulation. 5 - 300 mSec O O O Delay from output voltages within regulation limits to T4 100 - 1000 mSec POWER GOOD asserted at turn on. T5 Delay from loss of AC to de-assertion of POWER GOOD 5 - mSec Delay from POWER GOOD de-asserted to output voltages T6 1 - 1000 mSec dropping out of regulation limits. Hold up time - time all output voltages, including V , stay SB T7 10 - - mSec within regulation after loss of AC. T8 Delay from loss of AC input to de-assertion of ACOK# 10 - - mSec Duration of POWER GOOD being in the de-asserted state T9 100 - - mSec during an off/on cycle using AC or the PS_ON signal Delay from PS_ON active to output voltages within T10 5 - 200 mSec regulation limits. Delay from PS_ON deactivate to POWER GOOD de- T11 - - 50 mSec asserted low. Delay from 3.30Vsb being in regulation to 12VDC being in T12 50 - 2000 mSec regulation at AC turn on. Rev.04.10.12_#1.0 System Timing Specifications DS2900-3 Series Page 7 Figure 1. System Timing Diagram: Rev.04.10.12_#1.0 DS2900-3 Performance Curves DS2900-3 Series Page 8 Figure 1: DS2900-3 Turn-on delay via AC mains – Vin = 180Vac Figure 2: DS2900-3 Turn-on delay via PS_ON – Vin = 180Vac Full Load: Io = 240A, ISB = 2A (5V) Full Load: Io = 240A, ISB = 2A (5V) Ch 1: AC Mains Ch 2: VSB Ch 3: Vo Ch 4: POWER GOOD Ch 1: AC Mains Ch 2: PS_ON Ch 3: Vo Ch 4: POWER GOOD Figure 3: DS2900-3 Hold-up Time – Vin = 180Vac / 63Hz / 0°°°° Figure 4: DS2900-3 Hold-up time – Vin = 264Vac / 47Hz / 0°°°° Full Load: Io = 240A, ISB= 2A (5V) Full Load: Io = 240A, ISB = 2A (5V) Ch 1: AC Mains Ch 2: VSB Ch 3: Vo Ch 4: POWER GOOD Ch 1: AC Mains Ch 2: VSB Ch 3: Vo Ch 4: POWER GOOD Figure 5: DS2900-3 Output Voltage Startup Characteristic – Vin = 180Vac Figure 6: DS2900-3 Ripple and Noise Measurement – Vin = 180Vac Full Load: Io = 240A, ISB = 2A (5V) Full Load: Io = 240A, ISB = 2A (5V) Ch 1: Vo Ch 2: POWER GOOD Ch 1: Vo Rev.04.10.12_#1.0 DS2900-3 Performance Curves DS2900-3 Series Page 9 Figure 7: DS2900-3 Turn Off Characteristic via PS_ON Figure 8: DS2900-3 Turn Off Characteristic via PS_INHIBIT Full Load: Io = 240A, ISB = 2A (5V) Full Load: Io = 240A, ISB = 2A (5V) Ch 1: PS_ON Ch 2: Vo Ch 3: POWER GOOD Ch 1: PS_KILL Ch 2: Vo Ch 3: POWER GOOD Figure 9: DS2900-3 Transient Response – Vo Deviation (low to high) Figure 10: DS2900-3 Transient Response – Vo Deviation (high to low) 25% to 75% load change, 1A/μ μ μ μS slew rate, Vin = 230Vac 75% to 25% load change, 1A/μ μ μ μS slew rate, Vin = 230Vac Ch 1: Vo Ch 2: Io Ch 1: Vo Ch 2: Io 95 90 85 80 75 70 0 20 40 60 80 100 120 140 160 180 200 220 240 Output Current(A) Figure 11: DS2900-3 Efficiency Curves @ 25 degC ----- 180 Vac ----- 230 Vac ----- 264 Vac Loading: Io = 10% increment to 240A, ISB = 2A (5V) Efficiency (%) Rev.04.10.12_#1.0 Protection Function Specification DS2900-3 Series Page 10 Input Fusing DS2900-3 series is equipped with an internal non user serviceable 25A High Rupturing Capacity (HRC) 250 Vac fuse to IEC 127 for fault protection in Live line of AC input. Over Voltage Protection / Under Voltage Protection (OVP/UVP) The power supplies over voltage protection will be locally sensed. The power supply will shutdown in a latch off mode after an over voltage condition or under voltage condition. This latch can be cleared by an AC power interruption. The values are measured at the output of the power supply DC connector. OVP Parameter Min Nom Max Unit V Output Overvoltage 13.2 / 15.6 V O Standby Output Overvoltage 3.3V 3.63 / 4.29 V 5.0V 5.5 6.5 V UVP Parameter Min Nom Max Unit V Output Undervoltage 9 / 10 V O Over Current / Short circuit protection (OCP/SCP) DS2900-3 series includes internal current limit circuitry to prevent damage in the event of overload or short circuit. The current limiting shall be of the latch type for the +12VDC and the hiccup type for the 3.30vsb output. OCP Parameter Min Nom Max Unit V Output Overcurrent 252 / 276 A O Standby Output Overcurrent 3.3V 3.45 / 4.2 A 5.0V 2.3 / 2.8 A Over Temperature Protection (OTP) The power supply is internally protected against over temperature conditions. In an OTP condition, the power supply will be shutdown with the exception of the 3.30Vsb output. When the power supply temperature drops to within specified limits, the power supply will restore the +12VDC output automatically. The OTP circuit must have built in Hysteresis such that the power supply will not oscillate on and off due to temperature recovering condition. Input ambient OTP should be 5degC above operating limit. The operating limit is OTP_reset. The power supply restarts 20sec after hitting OTP_reset. Rev.04.10.12_#1.0 DS2900-3 Series Mechanical Specifications Page 11 Mechanical Outlines Rev.04.10.12_#1.0 Connector Definitions DS2900-3 Series Page 12 AC Input Connector Pin 1 – AC Line Pin 2 – Earth Ground Pin 3 – AC Neutral Pin3 Pin2 Pin1 Output Connector – Power Blades PB1 – + Vout View from power supply AC connector end PB2 – + Vout PB3 – + Vout PB4 – + Vout PB5 – + Vout PB6 – + Vout Return PB7 – + Vout Return PB8 – + Vout Return PB9 – + Vout Return PB10 – + Vout Return Output Connector – Control Signals A1 – PS_KILL A2 – +PS_ON A3 – +Vout_Share A4 – S_INT A5 – +STBY View from power supply output connector end A6 – +STBY Return B1 – PS_SEATED B2 – ACOK B3 – PWR_GOOD B4 – A2 B5 – +STBY B6 – +STBY Return 2 C1 – SDA (I C Data Signal) 2 C2 – SCL (I C Clock Signal) C3 – A1 C4 – A0 C5 – +STBY C6 – +STBY Return D1 – Reserve D2 – WP D3 – +Vout_RS D4 – +Vout_RS_RETURN D5 – +STBY D6 – +STBY Return Rev.04.10.12_#1.0 Power / Signal Mating Connectors and Pin Types DS2900-3 Series Page 13 Table 5. Mating Connectors for DS2900-3 series Mating Connector Reference On Power Supply or Equivalent FCI P/N; 51915-022LF FCI P/N 51939-081LF or TYCO P/N AC Input Connector 6600100-2 FCI P/N; 51940-059 FCI HCI Series Connector Molex Power Dock Senior 10 Power Blades 24 Signal pins FCI HCI Series Connector P/N SK10065866-003LF 10 Power Blades Output Connector 24 Signal pins FCI HCI Series Connector P/N SK10085236-003LF Molex Power Dock Senior 10 Power Blades 24 Signal pins P/N SK10065127-001 Rev.04.10.12_#1.0 LED indicator Definition DS2900-3 Series Page 14 There will be a green POWER LED to indicate that AC is applied to the PSU and standby voltage is available when blinking. This same LED should go solid when the +12VDC output is enabled and operational. There will be an Amber FAULT LED to indicate that the power supply has failed and a replacement of the unit is necessary. Faults including UVP, OVP, OTP, or Fan Fail when PSON# is asserted “Logic Low” shall cause the amber LED to turn on. The LED can be reset by toggling PSON# signal or an AC recycle. Power LED FAULT LED Condition FAULT LED Status V = ON, V = OFF, AC Input = ON Blinking Green SB O V = ON, V = ON Solid Green SB O V = OCP / OVP Solid Amber O FAN_FAULT / OTP / V = OCP/UVP Solid Amber SB Rev.04.10.12_#1.0 Weight DS2900-3 Series Page 15 The DS2900-3 series weight is 5.29 lbs/ 2.4kg maximum. Rev.04.10.12_#1.0 DS2900-3 Series Environmental Specifications Page 16 EMC Immunity DS2900-3 series power supply is designed to meet the following EMC immunity specifications: Table 6. Environmental Specifications: Document Description FCC Docket No. 20780 Part 15 Conducted and Radiated EMI Limits Subpart J Class A/ EN55022, Level A EN61000-3-2 Harmonics EN61000-3-3 Voltage Fluctuations IEC/EN 61000-4-2, Edition 1.2, 2001-04 Electromagnetic Compatibility (EMC) - Testing and measurement techniques – Electrostatic discharge immunity test. +/-15KV air, +/-8KV contact discharge, performance Criteria B IEC/EN 61000-4-3, 2002, Amendment 1, Electromagnetic Compatibility (EMC) - Testing and measurement 2002-08 techniques, Radiated, radio-frequency, electromagnetic field immunity test IEC/EN 61000-4-4, 1995, Amendment 2, Electromagnetic Compatibility (EMC) - Testing and measurement 2001-07 techniques, Electrical Fast Transient/Burst Immunity Test. 2KV for AC power port, 1.0KV for DC ports, I/O and signal ports performance Criteria B IEC/EN 61000-4-5, Edition 1.1, 2001-04 Electromagnetic Compatibility (EMC) - Testing and measurement techniques – 2KV common mode and 1KV differential mode for AC ports and 0.5kV differential mode for DC power, I/O and signal ports, performance criteria B. IEC/EN 61000-4-11, Edition 1.1, 2001-04 Electromagnetic Compatibility (EMC) - Testing and measurement techniques : Voltage Dips and Interruptions: 30% reduction for 500ms- Criteria B>95% reduction for 10mS, Criteria A, >95% reduction for 5000mS, Criteria C EN55024:1998 Information Technology Equipment-Immunity Characteristics, Limits and Method of Measurements Rev.04.10.12_#1.0 Safety Certifications DS2900-3 Series Page 17 The DS2900-3 power supply is intended for inclusion in other equipment and the installer must ensure that it is in compliance with all the requirements of the end application. This product is only for inclusion by professional installers within other equipment and must not be operated as a stand alone product. Table 7. Safety Certifications for DS2900-3 series power supply system Document File # Description UL 60950 No. E186249-A82-UL-1 US and Canada Requirements Information Technology Equipment - Safety - Part 1: CSA 22.2 No. 60950 General Requirements (Bi-National standard, with UL 60950-1) EN60950 European Requirements EN60950 Deviations International Requirements CB Certificate and Report DK-14590 (All CENELEC Countries) CHINA CCC Approval 2009010907320502 China Requirements Rev.04.10.12_#1.0 EMI Emissions DS2900-3 Series Page 18 The DS2900-3 series has been designed to comply with the Class A limits of EMI requirements of EN55022 (FCC Part 15) and CISPR 22 (EN55022) for emissions and relevant sections of EN61000 (IEC 61000) for immunity. The unit is enclosed inside a metal box, tested at 2900w using resistive load with cooling fan. Conducted Emissions Table 8. Conducted EMI emission specifications of the DS2900-3 series Parameter Model Symbol Min Typ Max Unit FCC Part 15, class A All Margin - - 6 dB CISPR 22 (EN55022) class A All Margin - - 6 dB Radiated Emissions Unlike conducted EMI, radiated EMI performance in a system environment may differ drastically from that in a stand-alone power supply. The shielding effect provided by the system enclosure may bring the EMI level from Class A to Class B. It is thus recommended that radiated EMI be evaluated in a system environment. The applicable standard is EN55022 Class A (FCC Part 15). Testing ac-dc convertors as a stand-alone component to the exact requirements of EN55022 can be difficult, because the standard calls for 1m leads to be attached to the input and outputs and aligned such as to maximize the disturbance. In such a set-up, it is possible to form a perfect dipole antenna that very few ac-dc convertors could pass. However, the standard also states that ‘an attempt should be made to maximize the disturbance consistent with the typical application by varying the configuration of the test sample’. Rev.04.10.12_#1.0 Operating Temperature DS2900-3 Series Page 19 The DS2900-3 series power supplies will start and operate within stated specifications at an ambient O O O temperature from 0 C to 50 C under all load conditions with internal fan. It can operate up to 70 C with derated power. Forced Air Cooling The DS2900-3 series power supplies included internal cooling fans as part of the power supply assembly to provide forced air-cooling to maintain and control temperature of devices and ambient temperature in the power supply to appropriate levels. The standard direction of airflow is from the DC connector end to the AC connector end of the power supply. The PSU has a firmware program that determines the fan speed/airflow delivery based on % O/P load condition and O ambient air temperature. Current fan firmware settings deliver 32.9 CFM for 50% Load at 50 C ambient, with the fan running at 13,050 RPM. Rev.04.10.12_#1.0 Storage and Shipping Temperature / Humidity DS2900-3 Series Page 20 O O The DS2900-3 series power supplies can be stored or shipped at temperatures between –40 C to +85 C and relative humidity from 5% to 95% non-condensing. Altitude The DS2900-3 series will operate within specifications at altitudes up to 10,000 feet above sea level. The power supply shall not be damaged when stored at altitudes of up to 30,000 feet above sea level. Humidity The DS2900-3 series will operate within specifications when subjected to a relative humidity from 20% to 90% non- condensing. The DS2900-3 series can be stored in a relative humidity from 5% to 95% non-condensing. Vibration The DS2900-3 power supply will pass the following vibration specifications: Non-Operating Random Vibration Acceleration 2.7 gRMS Frequency Range 10-2000 Hz Duration 20 mins Direction 3 mutually perpendicular axis SLOPE PSD 2 FREQ dB/oct g /Hz 2 PSD Profile 10-190 Hz --- 0.01 g /Hz 190-210 Hz -31.213dB/oct --- 2 210-2000 Hz --- 0.003 g /Hz Operating Random Vibration Acceleration 1.0 gRMS Frequency Range 10-500 Hz Duration 20 mins Direction 3 mutually perpendicular axis SLOPE PSD 2 PSD Profile FREQ dB/oct g /Hz 2 10-500 Hz --- 0.002 g /Hz Rev.04.10.12_#1.0 Shock DS2900-3 Series Page 21 The DS2900-3 power supply will pass the following vibration specifications: Non-Operating Half-Sine Shock Acceleration 30 G Duration 18 msec Pulse Half-Sine No. of Shock 3 shock on each of 6 faces Operating Half-Sine Shock Acceleration 4 G Duration 22 msec Pulse Half-Sine No. of Shock 3 shock on each of 6 faces Rev.04.10.12_#1.0 DS2900-3 Series Power and Control Signal Descriptions Page 22 AC Input Connector This connector supplies the AC Mains to the DS2900-3 power supply. Pin 1 - AC Line Pin 2 - Earth Ground Pin 3 - AC Neutral Output Connector – Power Blades These pins provide the main output for the DS2900-3. The + Vout and the + Vout Return pins are the positive and negative rails, respectively, of the V main output of the DS1200-3 power supply. The + Vout is electrically isolated from O the power supply chassis. PB1 - + Vout PB2 - + Vout PB3 - + Vout PB4 - + Vout PB5 - + Vout PB6 - + Vout Return PB7 - + Vout Return PB8 - + Vout Return PB9 - + Vout Return PB10 - + Vout Return Output Connector - Control Signals The DS2900-3 series contains a 24 pins control signal header providing an analogue control interface, standby power and 2 i C interface signal connections. PS_KILL – (pin A1) This signal pin should be grounded in the system. If left open, power supply operation will be inhibited (StandBy V SB output will remain on). Rev.04.10.12_#1.0 +PS_ON – (pin A2) DS2900-3 Series Page 23 This signal input pin controls the normal turning ON and Off of the Main Output of the DS2900-3 power supply. The output will be enabled when this signal is pulled low, below 0.8 V outputs disabled when pin is driven high or left open. +Vout_share – (pin A3) The DS2900-3 supports active current sharing through a single wire connection between the power supplies. This input/output signal pin allows two or more power supplies to share the main output load current to increase the overall power capability or to operate the units in a N+1 configuration for redundancy purposes. Share Bus voltage at full load is 8.00vdc.Share Bus voltage at half load is 4.0vdc +STBY*, +STBY* Return – (pins A5, A6, B5, B6, C5, C6, D5, D6) The DS2900-3 provides a regulated 3.3 volt 3 amp (or 5.0 volt 2 amp) auxiliary output voltage to power critical circuitry that must remain active regardless of the on/off status of the power supply’s main output. The Standby Output (VSB) voltage is available whenever a valid AC input voltage is applied to the unit. The StandBy Output is independently short circuit protected and is referenced to the StandBy Output Return pins (A6, B6, C6, D6). PS_SEATED – (pin B1) This signal pin is connected to Main Output Return inside the power supply via a 220 ohm resistor. This pin is to be pull high on the system side by a resistor of 4.7K or higher. A TTL logic LOW indicates the power supply is inserted and seated into the system power supply connector. A Logic HIGH indicated the removal of the power supply. The resistance from PS_SEATED pin to +12V_RTN, R < 250 ohms ACOK – (pin B2) The ACOK signal is used to indicate presence of AC input to the power supply. This signal will be connected to 3.3Vsb through a resistor on the host system side. A logic “High” level on this signal shall indicate AC input to the power supply is present. A Logic “Low” on this signal will indicate a loss of AC input to the power supply. Rev.04.10.12_#1.0 ACOK Signal characteristics DS2900-3 Series Page 24 Signal Type Pull-up tp 3.3Vsb through a resistor in the host system ACOK#=High AC Present ACOK#=Low AC Not Present MIN MAX Logic level low voltage, Isink=4mA 0V 0.8V Logic level high voltage, Isink=50uA 2.0V 4.125V Sink current, ACOK# =Low 4mA Sink current, ACOK# =high 50uA PWR_GOOD – (pin B3) PWR_GOOD is a power good signal and will be pulled HIGH by the power supply to indicate that both the outputs are above the regulation limits of the power supply. When any output voltage falls below regulation limits or when AC power has been removed for a time sufficiently long so that power supply operation is no longer guaranteed, PWOK will be de-asserted to a LOW state. The start of the PWR_GOOD delay time shall be inhibited as long as the +12VDC output is in current limit or the 3.30Vsb output is below the regulation limit. Rev.04.10.12_#1.0 PWR_GOOD Signal characteristics DS2900-3 Series Page 25 Signal Type Open collector/drain output from power supply. Pull-up to 3.3vsb internal to the power supply. PWR_GOOD =Low Power Not Good PWR_GOOD =High Power Good MIN MAX Logic level low voltage, Isink=4mA 0V 0.8V Logic level high voltage, Isink=200uA 2.0V 4.125V Sink current, PWR_GOOD=Low 4mA Sink current, PWR_GOOD=high 2mA PWR_GOOD delay: Tpwok_on 100ms 1000ms PWR_GOOD rise and fall time 100usec Power down delay:Tpwrgood_off 1ms 1000msec SDA, SCL and S_INT – (pin C1, C2, A4) Please refer to “Communication Bus Descriptions” section. A0, A1 and A2 – (pins C4, C3, B4) Please refer to “Communication Bus Descriptions” section. +Vout_RS, +Vout_RS_RETURN – (pins D3, D4) Remote sense is required for the 12V and 3.30Vsb Output rail to compensate for 500mV load bus drop. Single remote sense connection is acceptable for 3.3Vsb output. Rev.04.10.12_#1.0 DS2900-3 Series Communication Bus Descriptions Page 26 2 I C Bus Signals 2 The DS2900-3 power supply contains enhanced monitor and control functions implemented via the I C bus. The 2 TM DS2900-3 I C functionality (PMBus and FRU data) can be accessed via the output connector control signals. The communication bus is powered either by the internal 3.3V supply or from an external power source connected to the StandBy Output (ie: accessing an unpowered power supply as long as the StandBy Output of another power supply connected in parallel is on). If units are connected in parallel or in redundant mode, the StandBy Outputs must be connected together in the system. 2 Otherwise, the I C bus will not work properly when a unit is inserted into the system without the AC source connected. TM Note: PMBus functionality can be accessed only when the PSU is powered-up. 2 Guaranteed communication I C speed is 100KHz. 2 SDA, SCL (I C Data and Clock Signals) – (pin C1, C2) 2 I C serial data and clock bus - these pins are internally pulled up to internal 3.3V supply with a 10K resistor. S_INT (Alarm) – (pin A4) S_INT is used to send a signal to the system that a fault in the power supply occurred. This signal is normally logic level HIGH. It will go to a LOW logic level when a fault bit has been set in the power supply’s status register. To reset the S_INT signal back to normal (logic HIGH level) - (1) recycle input AC power, (2) toggle PSON signal and (3) issuance of a TM CLEAR_FAULTS PMBus command. 2 A0, A1 and A2 (I C Address BIT 0, BIT1 and BIT2 Signals) – (pin C3, C4, B4) These three input pins are the address lines A0 , A1 and A2 to indicate the slot position the power supply occupies in the TM power bay and define the power supply addresses for FRU data and PMBus data communication. This allows the 2 system to assign different addresses for each power supply. During I C communication between system and power supplies, the system will be the master and power supplies will be slave. They are internally pulled up to internal 3.3V supply with a 4.7K resistor. 2 I C Bus Communication Interval 2 The interval between two consecutive I C communications to the power supply should be at least 50ms to ensure proper monitoring functionality. 2 I C Bus Signal Integrity 2 The noise on the I C bus (SDA, SCL lines) due to the power supply will be less than 500mV peak-to-peak. This noise measurement should be made with an oscilloscope bandwidth limited to 100MHz. Measurements should be make at the power supply output connector with 3.2K ohm resistors pulled up to StandBy Output and 20pf ceramic capacitors to StandBy Output Return. The noise on the address lines A0 and A1 will be less than 100mV peak-to-peak. This noise measurement should be made at the power supply output connector. 2 Rev.04.10.12_#1.0 I C Bus Internal Implementation, Pull-ups and Bus Capacitances DS2900-3 Series Page 27 SYSTEM POWER SUPPLY SIDE BACKPLANE System 3.3V (Internal Secondary Logic Supply) A0 A0 A1 A1 A2 PSU Monitor Function SDA SDA System Backplane SCL SCL PSU Micro Processor Controller S_INT S_INT GND Interconnect FRU DATA EEPROM 2 I C Bus - Recommended external pull-ups: 2 Electrical and Interface specifications of I C signals (referenced to StandBy Output Return pin, unless otherwise indicated): Parameter Condition Symbol Min Typ Max Unit SDA, SCL internal pull-up resistor R - 10 - Kohm int SDA, SCL internal bus capacitance C - 0 - pF int 1 PSU - 1 - Kohm Recommended external pull-up resistor R ext 1 PSU 8 PSU - 0.125 - Kohm 10K 10K 4.7K 4.7K 4.7K Rev.04.10.12_#1.0 Logic Levels DS2900-3 Series Page 28 DS2900-3 series power supply I2C Communication Bus will respond to logic levels as per below: Logic High: 3.3V Nominal (Specs is 2.1V to 5.5V)** Logic Low: 500mV nominal (Specs is 800mV max)** TM ** Note: Philips I2C adapter was used. Timings Standard-Mode Soecs Parameter Symbol Actual Unit Min Max SCL Clock Frequency f 0 100 86.92 kHz SCL Hold time (repeated) START t 4.0 - 4.43 us HD;STA condition LOW period of SCL clock t 4.7 - 15.24 us LOW HIGH period of SCL clock t 4.0 - 4.95 us HIGH Setup time for repeated t 4.7 - 5.1 us SU;STA START condition Data hold time t 0 3.45 0.146 us HD;DAT Data setup time t 250 - 3560 ns SU;DAT Rise time t - 1000 SCL = 764 SDA = 883 ns r Fall time t - 300 SCL = 129 SDA = 126 ns f Setup time for STOP condition t 4.0 - 5.56 us SU;STO Bus free time between a t 4.7 - 31.04*** us BUF STOP and START condition TM *** Note Philips I2C adapter and bundled software (USB-to-I2C) was used Rev.04.10.12_#1.0 Device Addressing DS2900-3 Series Page 29 The DS2900 series will respond to supported commands on the I2C bus that are addressed according to pins A2, A1 and A0 pins. TM PMBus address is B, [logic combination of A2, A1 and A0]. FRU address is A, [logic combination of A2, A1 and A0]. Address pins are held HIGH by default via pull-up to 5V_I2C. Connect these pins to GND to set it logic LOW. As an example, if the address pins were left unconnected, A2, A1 and A0 are logic High. Thus, addressing is as follows: TM PMBus - B, [A2, A1, A0, 0] therefore, if left unconnected, B, [1,1,1,0] = BE (default PMBus Address) FRU - A, [A2, A1, A0, 0] therefore, if left unconnected, A, [1,1,1,0] = AE (default FRU Address) Important: The least significant bit of the address byte is always 0. 2 The i C address of the device is based on the slot the PSU is in. The address is defined as follows: Slot ID Bits EEPROM (FRU) TM Bus PSU Slot PMBus Address Address A2 A1 A0* I2C _PSU1 1 0 0 0 B0 A0 I2C _PSU2 2 0 0 1 B2 A2 I2C _PSU3 3 0 1 0 B4 A4 I2C _PSU4 4 0 1 1 B6 A6 I2C _PSU5 5 1 0 0 B8 A8 I2C _PSU6 6 1 0 1 BA AA I2C _PSU7 7 1 1 0 BC AC I2C _PSU8 8 1 1 1 BE AE Rev.04.10.12_#1.0 2 I C Clock Synchronization DS2900-3 Series Page 30 The DS2900-3 power supply might apply clock stretching. An addressed slave power supply may hold the clock line (SCL) low after receiving (or sending) a byte, indicating that it is not yet ready to process more data. The system master that is communicating with the power supply will attempt to raise the clock to transfer the next bit, but must verify that the clock line was actually raised. If the power supply is clock stretching, the clock line will still be low (because the connections are open-drain). The maximum time out condition for clock stretching for DS2900-3 is 100 microseconds. Rev.04.10.12_#1.0 FRU (EEPROM) Data DS2900-3 Series Page 31 The FRU (Field Replaceable Unit) data format is compliant with the Intel IPMI v1.0 specification. The DS2900-3 uses 1 page of EEPROM for FRU purpose. A page of EEPROM contains up to 256 byte-sized data locations. Where: OFFSET -The OFFSET denotes the address in decimal format of a particular data byte within DS2900-3 EEPROM. VALUE -The VALUE details data written to a particular memory location of the EEPROM. DEFINITION -The contents DEFINITION refers to the definition of a particular data byte. DS2900-3 FRU (EEPROM) Data: OFFSET DEFINITION SPEC VALUE (DEC) (HEX) (REMARKS) (DEC) (HEX) COMMON HEADER, 8 BYTES 0 00 FORMAT VERSION NUMBER (Common Header) 1 01 1 01 INTERNAL USE AREA OFFSET (In multiples of 8 Bytes) 24 18 2 02 CHASSIS INFO AREA OFFSET (In multiples of 8 Bytes) 1 01 3 03 BOARD INFO AREA OFFSET (Not Used) 0 00 4 04 PRODUCT INFO AREA OFFSET (In multiples of 8 bytes) 5 05 5 05 MULTI RECORD AREA OFFSET (In multiples of 8 bytes) 15 0F 6 06 PAD (reserved) Default value is 0. 0 00 7 07 ZERO CHECK SUM (256 – (Sum of bytes 0 to 6)) 210 D2 CHASSIS INFO AREA, 32 BYTES 8 08 FORMAT VERSION NUMBER (Default value is 1) 1 01 9 09 CHASSIS INFO AREA LENGTH (Default value is 0) 0 00 10 0A CHASSIS TYPE (Default value is 0) 0 00 11 0B Chassis Part Number Type/Length 10 byte allocation 0CAH (if used) (Default value is 0) 0 00 12 0C CHASSIS PART NUMBER BYTES 0 00 13 0D (Default value is 0) 0 00 14 0E 0 00 15 0F 0 00 16 10 0 00 17 11 0 00 18 12 0 00 19 13 0 00 20 14 0 00 21 15 0 00 22 16 Chassis Serial Number Type/Length 15 byte allocation 0CFH (if used) (Default value is 0) 207 CF 23 17 CHASSIS SERIAL NUMBER BYTES 0 00 24 18 (Default value is 0) 0 00 25 19 0 00 26 1A 0 00 27 1B 0 00 28 1C 0 00 29 1D 0 00 30 1E 0 00 31 1F 0 00 32 20 0 00 Rev.04.10.12_#1.0 DS2900-3 FRU (EEPROM) Data: DS2900-3 Series Page 32 OFFSET DEFINITION SPEC VALUE (DEC) (HEX) (REMARKS) (DEC) (HEX) 33 20 CHASSIS SERIAL NUMBER BYTES, Default value is 0. 0 00 0 00 34 22 35 23 0 00 36 24 0 00 37 25 0 00 38 26 End Tag (0C1h if used) 193 C1 39 27 CHKSUM (Zero CHKSUM if used) 159 9F PRODUCT INFORMATION AREA, 80 BYTES 40 28 FORMAT VERSION NUMBER (Product Info Area) 1 01 7:4 - Reserved, write as 0000b 3:0 - Format Version Number = 1h for this specification 41 29 PRODUCT INFO AREA LENGTH (In multiples of 8 bytes) 10 0A 42 2A Language (English) 25 19 43 2B MANUFACTURER NAME TYPE / LENGTH (0C5H) 197 C5 Type “ASCII+LATIN1” 5 Bytes. MANUFACTURER'S NAME 5 byte sequence 44 2C “A”= 41h 65 41 45 2D “S”=53h 83 53 46 2E “T”= 54h 84 54 47 2F “E”= 45h 69 45 48 30 “C”= 43h 67 43 49 31 Product Name Type/Length (0C8H) 200 C8 7-6: (11)b, 8-Bit ASCII + Latin 1, 5-0: (001000)b, 8-Byte Allocation 50 32 “S” = 53H 83 53 51 33 “t” = 74H 116 74 52 34 “a” = 61H 97 61 53 35 “n” = 6EH 110 6E 54 36 “d” = 64H 100 64 55 37 “a” = 61H 97 61 56 38 “r” = 72H 114 72 57 39 “d” = 64H 100 64 58 3A Part/Model Number Type/Length (0C8H) 200 C8 7-6: (11)b, 8-Bit ASCII + Latin 1, 5-0: (001000)b, 8-Byte Allocation Part Number 59 3B “D” = 44H 68 44 60 3C 83 53 “S” = 53H 61 3D “2” = 32H 50 32 62 3E “9“ = 39H 57 39 63 3F 48 30 “0” = 30H 64 40 “0” = 30H 48 30 65 41 “-” = 2DH 45 2D 66 42 51 33 “3” = 33H 67 43 PRODUCT VERSION NUMBER Type/Length (C2h) 194 C2 Type = “ASCII+LATIN1” = (11)b Length = 2 bytes = (000010)b 68 44 “0” = 30H 48 30 69 45 “B”= 42H 66 42 70 46 Product Serial Number Type/Length (0CDH) 205 CD Product Serial Number: MODEL ID 71 47 “G” = 47H 71 47 72 48 “1” = 31H 49 31 73 49 “0” = 30H 48 30 74 4A “0” = 30H 48 30 Rev.04.10.12_#1.0 DS2900-3 FRU (EEPROM) Data: DS2900-3 Series Page 33 OFFSET DEFINITION SPEC VALUE (DEC) (HEX) (REMARKS) (DEC) (HEX) PRODUCT SERIAL NUMBER:MANUFACTURING YEAR AND WEEK CODE(PER UNIT) 87 57 75 4B “W”=57H 76 4C “W”=57H Product Serial Number: UNIQUE SERIAL NUMBER (PER UNIT) 77 4D “S”=53H 83 53 78 4E “S”=53H 79 4F “S”=53H 80 50 “S”=53H Product Serial Number: MODEL REVISION 81 51 “0”= 30H 48 30 82 52 “B”= 42H 66 42 83 53 “P” = 50H (P for Laguna Philippines) 80 50 84 54 ASSET TAG 199 C7 7-6: (11)b, 8-Bit ASCII + Latin 1, 5-0: (000111)b, 7-Byte Allocation 85 55 NO ASSET TAG 0 00 86 56 0 00 87 57 0 00 88 58 0 00 89 59 0 00 90 5A 0 00 91 5B 0 00 92 5C FRU File ID 209 D1 7-6: (11)b, 8-Bit ASCII + Latin 1, 5-0: (010001)b, 17-Byte Allocation REFER TO IPS FOR LATEST FRU FILE NAME 93 5D “Should track latest FRU File ID on Sec. 1.1” 0 00 94 5E NOT USED 0 00 95 5F 0 00 96 60 0 00 97 61 0 00 98 62 0 00 99 63 0 00 100 64 0 00 101 65 0 00 102 66 0 00 103 67 0 00 104 68 0 00 105 69 0 00 106 6A 0 00 107 6B 0 00 108 6C 0 00 109 6D 0 00 110 6E End of Fields Marker 193 C1 111 6F Reserved 0 00 112 70 Reserved 0 00 113 71 Reserved 0 00 114 72 Reserved 0 00 115 73 Reserved 0 00 116 74 Reserved 0 00 117 75 Reserved 0 00 118 76 Reserved 0 00 119 77 Reserved 54 36 Multi Record Area, 72 Bytes Rev.04.10.12_#1.0 DS2900-3 FRU (EEPROM) Data: DS2900-3 Series Page 34 OFFSET DEFINITION SPEC VALUE (DEC) (HEX) (REMARKS) (DEC) (HEX) POWER SUPPLY RECORD HEADER 120 78 Record Type ID (0x00 = Power Supply Information) 0 00 121 79 7: (0)b, End of List 2 02 6-4: (000)b, Reserved 3-0: (0010)b, Record Format Version 122 7A Record Length: 24 Bytes 24 18 123 7B Record Checksum (Zero Checksum From 125d To 148d ) 203 CB 124 7C Header Checksum (Zero Checksum From 120d To 123d) 27 1B 125 7D Overall Capacity (Watts) 84 54 126 7E 15-12: (0000)b, Reserved 11 0B 11-0: (101000101000)b, 2900W = 0B54H Stored with LSB first then MSB. Peak VA (Watts) 15-12: (0000)b, Reserved 127 7F 11-0: No peak VA rating 0 00 128 80 Stored with LSB first then MSB. 0 00 Inrush Current (Amps) 129 81 50Amps = 32H 50 32 Inrush Interval (ms) 130 82 100ms = 64H 100 64 Low End Input Voltage Range 1 131 83 180V = 18000 (x10mV) = 4650H 80 50 132 84 Stored with LSB first then MSB. 70 46 133 85 High End Input Voltage Range 1 32 20 134 86 264V = 26400 (x10mV) = 6720H 103 67 Stored with LSB first then MSB. 135 87 Low End Input Voltage Range 2 0 00 136 88 NOT USED 0 00 Stored with LSB first then MSB. 137 89 High End Input Voltage Range 2 0 00 138 8A NOT USED 0 00 Stored with LSB first then MSB. 139 8B Low End Input Frequency Range, 47Hz = 2FH 47 2F 140 8C High End Input Frequency Range, 63Hz = 3FH 63 3F 141 8D A/C Dropout Tolerance in ms, 12ms = 0CH 12 0C 142 8E Binary Flags 26 1A 7-5: (000)b, Reserved 4: (1)b, Tachometer Pulses per Rotation / Predictive Fail Polarity (2 Pulses Per Rotation = 1; 1 Pulse Per Rotation = 0) OR (Signal Asserted(1) Indicates Failure = 0, Signal Deasserted(0) Indicates Failure = 1) 3: (1)b, Hot Swap / Redundancy Support 2: (0)b, AutoSwitch Support 1: (1)b, Power Factor Correction Support 0: (0)b, Predictive Fail Support Peak Wattage Capacity and Holdup Time 15-12: (0000)b, Hold Up Time in Seconds = 00H (Not Specified) 11-0: (000000000000)b, Peak Capacity in Watts = 00H (Not 143 8F 0 00 144 90 Specified) 0 00 Combined Wattage Byte 1: 048 = 30H Bits 7-4: 0011B for 3V3 145 91 48 30 Bits 3-0: 0000B for 12V 146 92 84 54 147 93 Byte 2 and Byte 3: 54H, 0BH (2900W = 0B54H) 11 0B Rev.04.10.12_#1.0 DS2900-3 FRU (EEPROM) Data: DS2900-3 Series Page 35 OFFSET DEFINITION SPEC VALUE (DEC) (HEX) (REMARKS) (DEC) (HEX) 148 94 Predictive Fail Tachometer Lower Threshold, Not applicable 0 00 12V DC OUTPUT RECORD HEADER 149 95 Record Type ID (0x01 = DC Output) 1 01 End Of List/Record Format Version Number 7: (0)b, End of List 6-4: (000)b, Reserved 150 96 3-0: (0010)b, Record Format Version 2 02 151 97 Record Length: 13 Bytes 13 0D 152 98 Record Checksum (Zero Checksum From 154d To 166d ) 78 4E 153 99 Header Checksum (Zero Checksum From 149d To 152d ) 162 A2 +12V DC Output Record 154 9A +12V Output Information 1 01 7: (0)b, Standby 6-4: (000)b, Reserved 3-0: (0001)b, Output Number 1 = 001b 155 9B Nominal Voltage 12.00V = 1200 (x10mV) = 04B0H 176 B0 156 9C 4 04 Stored with LSB first then MSB. 157 9D Maximum Negative Voltage Deviation 128 80 158 9E 4 04 11.52V = 1152 (x10mV) = 0480H Stored with LSB first then MSB. 159 9F Maximum Positive Voltage Deviation 224 E0 160 A0 4 04 12.48V = 1248 (x10mV) = 04E0H Stored with LSB first then MSB. 161 A1 Ripple And Noise pk-pk 10Hz To 30MHz (mV) 120 78 162 A2 120mV = 0078H 0 00 Stored with LSB first then MSB. 163 A3 Minimum Current Draw (10mA) 0 00 164 A4 0 00 0000 = 0000H Stored with LSB first then MSB. 165 A5 Maximum Current Draw (10mA) 192 C0 166 A6 93 5D 240.0A = 24000(x10mA) = 5DC0H Stored with LSB first then MSB. 3V3SB DC OUTPUT RECORD HEADER 167 A7 Record Type ID (0x01 = DC Output) 1 01 End Of List/Record Format Version Number 7: (1)b, End of List 6-4: (000)b, Reserved 168 A8 3-0: (0010)b, Record Format Version 130 82 169 A9 Record Length: 20 Bytes 20 14 170 AA Record Checksum (Zero Checksum From 172d To 191d ) 52 34 171 AB Header Checksum (Zero Checksum From 167d To 170d ) 53 35 3V3SB DC Output Record 3V3SB Output Information 7: (1)b, Standby (Bit = 1 to indicate standby output) 6-4: (000)b, Reserved 172 AC 3-0: (0010)b, Output Number 2 = 010b 130 82 Nominal Voltage 173 AD 3.30V = 330 (x10mV) = 014AH 74 4A 174 AE Stored with LSB first then MSB. 1 01 Maximum Negative Voltage Deviation 175 AF 3.14V = 314 (x10mV) = 013AH 58 3A 176 B0 Stored with LSB first then MSB. 1 01 Rev.04.10.12_#1.0 DS2900-3 FRU (EEPROM) Data: DS2900-3 Series Page 36 OFFSET DEFINITION SPEC VALUE (DEC) (HEX) (REMARKS) (DEC) (HEX) 177 B1 Maximum Positive Voltage Deviation 90 5A 178 B2 3.46V = 346 (x10mV) = 015AH 1 01 Stored with LSB first then MSB. 179 B3 Ripple And Noise pk-pk 10Hz To 30MHz (mV) 60 3C 180 B4 60mV = 003CH 0 00 Stored with LSB first then MSB. 181 B5 Minimum Current Draw (10mA) 0 00 182 B6 0 00 000 = 0000H Stored with LSB first then MSB. 183 B7 Maximum Current Draw (10mA) 44 2C 184 B8 1 01 3.00A = 300(x 10mA) = 012CH Stored with LSB first then MSB. 185 B9 Reserved 0 00 186 BA Reserved 0 00 187 BB Reserved 0 00 188 BC Reserved 0 00 189 BD Reserved 0 00 190 BE Reserved 0 00 191 BF Reserved 0 00 INTERNAL USE AREA, 64 BYTES 192 C0 Format Version Number 1 01 7:4 -reserved, write as 0000b 3:0 -format version number = 1h for this specification. 193 C1 RESERVED 0 00 194 C2 RESERVED 0 00 195 C3 RESERVED 0 00 196 C4 RESERVED 0 00 197 C5 RESERVED 0 00 198 C6 RESERVED 0 00 199 C7 RESERVED 0 00 200 C8 RESERVED 0 00 201 C9 RESERVED 0 00 202 CA RESERVED 0 00 203 CB 0 00 204 CC 0 00 205 CD 0 00 206 CE 0 00 207 CF 0 00 208 D0 0 00 209 D1 0 00 210 D2 0 00 211 D3 0 00 212 D4 0 00 213 D5 0 00 214 D6 0 00 215 D7 0 00 216 D8 0 00 217 D9 0 00 218 DA 0 00 219 DB 0 00 220 DC 0 00 221 DD 0 00 222 DE 0 00 223 DF 0 00 224 E0 0 00 225 E1 0 00 226 E2 0 00 Rev.04.10.12_#1.0 DS2900-3 FRU (EEPROM) Data: DS2900-3 Series Page 37 OFFSET DEFINITION SPEC VALUE (DEC) (HEX) (REMARKS) (DEC) (HEX) INTERNAL USE AREA, 40 BYTES 227 E3 0 00 228 E4 0 00 229 E5 0 00 230 E6 0 00 231 E7 0 00 E8 0 00 232 233 E9 0 00 234 EA 0 00 235 EB 0 00 236 EC 0 00 237 ED 0 00 238 EE 0 00 239 EF 0 00 240 F0 0 00 241 F1 0 00 242 F2 0 00 243 F3 0 00 244 F4 0 00 245 F5 0 00 246 F6 0 00 247 F7 0 00 248 F8 0 00 249 F9 0 00 250 FA 0 00 251 FB 0 00 252 FC 0 00 253 FD 0 00 254 FE 0 00 255 FF CHKSUM: (From 192 to 254 if used) 255 FF Rev.04.10.12_#1.0 DS2900-3-002/-003 FRU (EEPROM) deviations: DS2900-3 Series Page 38 OFFSET DEFINITION SPEC VALUE (DEC) (HEX) (REMARKS) (DEC) (HEX) PRODUCT INFORMATION AREA, 80 BYTES Manufacturer Name 44 2C “E“=045H 69 45 45 2D “M“=04DH 77 4D 46 2E “R“=052H 82 52 47 2F “S“=053H 83 53 48 30 “N“=04EH 78 4E 49 31 Product Name Type/Length (0CCH) 200 C8 7-6: (11)b, 8-Bit ASCII + Latin 1, 5-0: (001100)b, 8-Byte Allocation 58 3A Part/Model Number Type/Length (0CBH) 204 CC 7-6: (11)b, 8-Bit ASCII + Latin 1, 5-0: (001110)b, 12-Byte Allocation Part Number 59 3B “X” = 058H 88 58 60 3C “X” = 058H 88 58 61 3D “X” = 058H 88 58 62 3E “X” = 058H 88 58 63 3F “X” = 058H 88 58 64 40 “X” = 058H 88 58 65 41 “X” = 058H 88 58 66 42 88 58 “X” = 058H 67 43 “X” = 058H 88 58 68 44 “X” = 058H 88 58 69 45 88 58 “X” = 058H 70 46 “X” = 058H 88 58 where “XXXXXXXXXXXX” is: DS2900-3-002: “DS2900-3-002” DS2900-3-003: “DS2900-3-003” Product Version Number/Auto Rev 72 48 “X” = 058H 88 58 73 49 “X” = 058H 88 58 Where “XX” is: DS2900-3-002: “0X” DS2900-3-003: “0X” Product Serial Number: MODEL ID 75 4B “X” = 058H 88 58 76 4C “X” = 058H 88 58 77 4D “X” = 058H 88 58 78 4E “X” = 058H 88 58 Where “XXXX” is: DS2900-3-002: “I772” DS2900-3-003: “I771” Product Serial Number: MODEL REVISION 85 55 “X” = 058H 88 58 86 56 88 58 “X” = 058H Where “XX” is: DS2900-3-002: “0X” DS2900-3-003: “0X” 119 77 Zero Check Sum (256- (Sum of bytes 040d to 118d)) Per Unit POWER SUPPLY RECORD HEADER 123 7B Record Checksum (Zero Checksum From 125d To 148d) 92 5C 124 7C Header Checksum (Zero Checksum From 120d To 123d) 138 8A 141 8D A/C Dropout Tolerance in ms, 10ms = 0AH 10 0A 145 91 Combined Wattage 0 00 146 92 NOT APPLICABLE 0 00 147 93 0 00 Rev.04.10.12_#1.0 DS2900-3-002/-003 FRU (EEPROM) deviations: DS2900-3 Series Page 39 OFFSET DEFINITION SPEC VALUE (DEC) (HEX) (REMARKS) (DEC) (HEX) 5VSB DC OUTPUT RECORD HEADER 169 A9 Record Length: 13Bytes 13 0D 170 AA Record Checksum (Zero Checksum From 172d To 184d ) 164 A4 171 AB Header Checksum (Zero Checksum From 167d To 170d ) 204 CC 5VSB DC Output Record Nominal Voltage 173 AD 5.0V = 500 (x10mV) = 01F4H 244 F4 174 AE Stored with LSB first then MSB. 1 01 Maximum Negative Voltage Deviation 175 AF 219 DB 4.75V = 475 (x10mV) = 01DBH 176 B0 Stored with LSB first then MSB. 1 01 Maximum Positive Voltage Deviation 177 B1 5.25V = 525 (x10mV) = 020DH 13 0D 178 B2 Stored with LSB first then MSB. 2 02 Maximum Current Draw (10mA) 183 B7 2.00A = 200(x 10mA) = 00C8H 200 C8 184 B8 Stored with LSB first then MSB. 0 00 Rev.04.10.12_#1.0 DS2900-3-004 FRU (EEPROM) deviations: DS2900-3 Series Page 40 OFFSET DEFINITION SPEC VALUE (DEC) (HEX) (REMARKS) (DEC) (HEX) PRODUCT INFORMATION AREA, 80 BYTES Manufacturer Name 44 2C “E“=045H 69 45 45 2D “M“=04DH 77 4D 46 2E “R“=052H 82 52 47 2F “S“=053H 83 53 48 30 “N“=04EH 78 4E 49 31 Product Name Type/Length (0CCH) 200 C8 7-6: (11)b, 8-Bit ASCII + Latin 1, 5-0: (001100)b, 8-Byte Allocation 58 3A Part/Model Number Type/Length (0CBH) 204 CC 7-6: (11)b, 8-Bit ASCII + Latin 1, 5-0: (001110)b, 12-Byte Allocation Part Number 59 3B “X” = 058H 88 58 60 3C “X” = 058H 88 58 61 3D “X” = 058H 88 58 62 3E “X” = 058H 88 58 63 3F “X” = 058H 88 58 64 40 “X” = 058H 88 58 65 41 “X” = 058H 88 58 66 42 88 58 “X” = 058H 67 43 “X” = 058H 88 58 68 44 “X” = 058H 88 58 69 45 88 58 “X” = 058H 70 46 “X” = 058H 88 58 where “XXXXXXXXXXXX” is: DS2900-3: “DS2900-3” DS2900-3-004: “DS2900-3-004” Product Version Number/Auto Rev 72 48 “X” = 058H 88 58 73 49 “X” = 058H 88 58 Where “XX” is: DS2900-3: “0X” DS2900-3-004: “0X” Product Serial Number: MODEL ID 75 4B “X” = 058H 88 58 76 4C “X” = 058H 88 58 77 4D “X” = 058H 88 58 78 4E “X” = 058H 88 58 Where “XXXX” is: DS2900-3: “G100” DS2900-3-004: “I773” Product Serial Number: MODEL REVISION 85 55 “X” = 058H 88 58 86 56 88 58 “X” = 058H Where “XX” is: DS2900-3: “0X” DS2900-3-004: “0X” 119 77 Zero Check Sum (256- (Sum of bytes 040d to 118d)) Per Unit POWER SUPPLY RECORD HEADER 123 7B Record Checksum (Zero Checksum From 125d To 148d) 92 5C 124 7C Header Checksum (Zero Checksum From 120d To 123d) 138 8A 141 8D A/C Dropout Tolerance in ms, 10ms = 0AH 10 0A 145 91 Combined Wattage 0 00 146 92 NOT APPLICABLE 0 00 147 93 0 00 Rev.04.10.12_#1.0 DS2900-3-004 FRU (EEPROM) deviations: DS2900-3 Series Page 41 OFFSET DEFINITION SPEC VALUE (DEC) (HEX) (REMARKS) (DEC) (HEX) 3.3VSB DC OUTPUT RECORD HEADER 169 A9 Record Length: 13Bytes 13 0D 170 AA Record Checksum (Zero Checksum From 172d To 184d ) 52 34 171 AB Header Checksum (Zero Checksum From 167d To 170d ) 60 3C 5VSB DC Output Record Nominal Voltage 173 AD 3.3V = 330 (x10mV) = 014AH 74 4A 174 AE Stored with LSB first then MSB. 1 01 Maximum Negative Voltage Deviation 175 AF 5B 3A 3.14V = 314 (x10mV) = 013AH 176 B0 Stored with LSB first then MSB. 1 01 Maximum Positive Voltage Deviation 177 B1 3.46V = 346 (x10mV) = 015AH 90 5A 178 B2 Stored with LSB first then MSB. 01 01 Maximum Current Draw (10mA) 183 B7 3.00A = 300(x 10mA) = 012CH 44 2C 184 B8 Stored with LSB first then MSB. 1 01 Rev.04.10.12_#1.0 TM DS2900-3 Series PMBus Interface Support Page 42 TM The DS2900-3 is compliant with the industry standard PMBus protocol for monitoring and control of the power supply via 2 the I C interface port. TM DS2900-3 Series PMBus General Instructions Equipment Setup 2 The following is typical I C communication setup: Voltmeter 2 2 I C Master I C Adaptor DS2900-3 E-Load AC Source TM PMBus Writing Instructions TM When writing to any PMBus R/W registers, ALWAYS do the following: Disable Write Protect (command 10h) by writing any of the following accordingly: Levels: 00h – Enable writing to all writeable commends 20h – Disables write except 10h, 01h, 00h, 02h and 21h commands 40h – Disables write except 10h, 01h, and 00h commends 80h – Disable write except 0x10h TM To save changes on the USER PMBus Table: Use send byte command: 15h STORE_USER_ALL TM To save changes on the DEFAULT PMBus Table: Use send byte command: 11h STORE_DEFAULT_ALL Wait for 5 seconds, turn-off the PSU, wait for another 5 seconds before turning it on. Rev.04.10.12_#1.0 TM DS2900-3 Series Support PMBus Command List DS2900-3 Series Page 43 TM The DS2900-3 is compliant with the industry standard PMBus protocol for monitoring and control of the power 2 supply via the i C interface port. TM DS2900-3 Series Supported PMBus Command List: Command Access Data Data Command Name Default Value Description Code Type Bytes Format 01h OPERATION 88 R/W 1 Used to Turn the unit ON/OFF in conjunction with the input CONTROL pin. It is also used to set output to upper or lower Margin Voltages. b7:6 10 00 – Immediate Turn OFF (No Sequencing ) 01 – Soft Turn OFF (With Sequencing) 10 – PSU ON b5:4 00 01 – Margin Low 10 – Margin High 00 – No Margin b3:2 10 01 – Ignore Fault 10 – Act On Fault b1:0 00 Reserved 02h ON_OFF_CONFIG 14 R/W 1 Configures the combination of CONTROL pin and serial communication commands needed to turn the Unit ON/OFF. b7:5 000 Reserved b4 – Enable CONTROL pin and 1 0 – Unit powers up any time power is present Serial communication control. regardless of the state of CONTROL pin. 1 – Unit powers up as dictated by CONTROL pin and OPERATION command (b3:0) b3 – Serial communication 0 0 – Unit Ignores ON/OFF portion of the Control OPERATION command. 1 – Enables Serial communication ON/OFF portion of OPERATION command. Requires CONTROL pin to be asserted for the unit to start and energize the output. b2 – Sets how the unit responds 1 0 – Unit ignores CONTROL pin. (ON/OFF to CONTROL pin controlled by OPERATION command). 1 – Unit requires CONTROL pin to be asserted to start the unit. b1 - CONTROL pin polarity 0 0 – Unit ignores CONTROL pin. (ON/OFF controlled by OPERATION command). 1 – Unit requires CONTROL pin to be asserted to start the unit. b0 – CONTROL pin Action 0 0 – Use programmed turn ON/OFF delay 1 – Turn OFF the output and stop transferring energy to the output as fast as possible. 03h CLEAR_FAULTS 0 S 10h WRITE_PROTECT 80 R/W 1 Used to Control Writing to the PMBus Device 80h - Disables write except 10h 40h - Disables write except 10h, 01h, 00h 20h - Disables write except 10h,01h,00h,02h and 21h commands 00 - Enables write to all writeable commands. 11h STORE_DEFAULT_ALL - S 0 Copies the Value of the Operating memory table to the matching DEFAULT non-volatile memory. 12h RESTORE_DEFAULT_ALL - S 0 Copies the entire contents of the DEFAULT non-volatile memory to the Operating memory table. 15h STORE_USER_ALL - S 0 Copies the Operating memory table to the matching USER non-volatile memory. TM Rev.04.10.12_#1.0 DS2900-3 Series Supported PMBus Command List: DS2900-3 Series Page 44 Command Default Value Access Data Data Command Name Code (HEX) Type Bytes Format Copies the entire USER non-volatile memory to 16h RESTORE_USER_ALL - S 0 the Operating memory table. Provides a way for the hosts system to 19h CAPABILITY 00 R 1 determine some key capabilities of a PMBus device. 0 - PEC not supported b7 - Packet Error Checking 0 1 - PEC supported 0 - Maximum supported bus speed, 100khz b6 - Maximum Bus Speed 1 1 - Maximum supported bus speed, 400khz 0 - SMBus Alert Pin not supported b5 - SMBALERT# 0 1 - SMBus Alert Pin supported b4:0 00000 Reserved Specifies the mode and parameters of Output 20h VOUT_MODE 40 R 1 Voltage related Data Formats Sets the Output Voltage Reference Vout command sends discreet value to change or trim output voltage. The value acts as Digital reference of the Power supply after additional 21h VOUT_COMMAND 21900 R/W 2 Linear operations are performed (to make the representation compatible). Affects OVP_WARNING and FAULT LIMIT, as well as POWER_GOOD_ON/OFF level. 24h VOUT_MAX 04D4 R 2 Direct Sets the max adjustable output voltage limit. Ratio of ADC value to the actual voltage. A discreet value, to scale the reading of output voltage, using Read_Vout command. Vout scale = Vout * 32768 / Vref Vout is the 29h VOUT_SCALR_MONITOR 17955 R/W 2 Linear output voltage in mV 32768 is ADC max ADCread can be scaled using Vref value. i.e.. using Vref value as an example. Voutscale = 12050 * 32768 / 24824 Voutscale = 15906 use to retrieve the m, b and R coefficients, 30h COEFFICIENTS R/W 5 needed for DIRECT data format byte 1:2 0100 mlow Byte, m high byte byte 3:4 0000 b low Byte, b high byte byte 5 02 R byte 31h POUT_MAX 12D5 R/W 2 Linear Sets the operating power limit condition. Sets the value of input, in volts, at which the 35h VIN_ON F2D0 R 2 Linear unit should start. ACGOOD 88Vac Sets the value of input, in volts, at which the 36h VIN_OFF F2A8 R 2 Linear unit should stop power conversion. ACBAD The ratio of voltage across the Current Sense to 38h IOUT_CAL_GAIN 25540 R 2 actual current. Used to null any offsets in the current sensing 39h IOUT_CAL_OFFSET 0000 R/W 2 circuit. Normally used in conjunction with the IOUT_SCALE to minimize current sensing error. Used to configure up to 2 fans associated with 3Ah FAN_ CONFIG_1_2 90 R/W 1 one PMBus device 1 – Fan is installed in position 1 b7 1 0 – No Fan is installed in position 1 1 – Fan is commanded in RPM b6 0 0 – Fan is commanded in DC TM Rev.04.10.12_#1.0 DS2900-3 Series Supported PMBus Command List: DS2900-3 Series Page 45 Command Default Value Access Data Data Command Name Code (HEX) Type Bytes Format 00 – 1 pulse per revolution 01 – 2 pulses per revolution b5:4 01 10 – 3 pulses per revolution 11 – 4 pulses per revolution 1 – Fan is commanded in RPM b3 1 0 – Fan is commanded in DC 1 – Fan is commanded in RPM b2 0 0 – Fan is commanded in DC 00 – 1 pulse per revolution 01 – 2 pulses per revolution b1:0 01 10 – 3 pulses per revolution 11 – 4 pulses per revolution Adjusts the operation of the Fans. The device may override the command, if it requires higher value, to maintain proper device temperature. FAN_COMMAND_1 3Bh 0000 R/W 2 Linear RPM Control – Commands Speeds from 0- (used by both Fan 1 and 2) 65535 RPM. Duty cycle Control – Commands Speeds from 0 to 100% 40h VOUT_OV_FAULT_LIMIT 05A0 R/W 2 Direct Sets Output Over voltage threshold. Unit Latches OFF. Resets on PSON or 41h VOUT_OV_FAULT_RESPONSE C0 R/W 1 - CONTROL pin recycle or AC recycle. 42h VOUT_OV_WARN_LIMIT 0504 R/W 2 Direct Sets Over-voltage Warning threshold. 43h VOUT_UV_WARN_LIMIT 03E8 R/W 2 Direct Sets Under-voltage Warning threshold. 44h VOUT_UV_FAULT_LIMIT 0190 R/W 2 Direct Sets Under-voltage Fault threshold. 45h VOUT_UV_FAULT_RESPONSE C0 R/W 1 - Turn PSU OFF 46h IOUT_OC_FAULT_LIMIT 6720 R/W 2 Direct Sets the Over current threshold in Amps. 47h IOUT_OC_FAULT_RESPONSE 81 R/W 1 - OCP ride through. If OCP persists. Specifies low-level voltage limit during constant 48h IOUT_OC_LV_FAULT_LIMIT 6720 R/W 2 Direct current OC condition. Unit Latch OFF. Cleared on PSON or AC 49h IOUT_OC_LV_FAULT_RES 00 R/W 1 - recycle. Sets the Over Current Warning threshold in 4Ah IOUT_OC_WARN_LIMIT 6720 R/W 2 Direct Amps. Secondary ambient temperature Fault threshold, 4Fh OT_FAULT_LIMIT 157C R/W 2 Direct in degree C. Turn PSU OFF and retry once Over temp Fault 50h OT_FAULT_RESPONSE FF R/W 1 is removed. Secondary ambient temperature warning 51h OT_WARN_LIMIT 1388 R/W 2 Direct threshold, in degree C. Operating limit. refer to section 3.1 55h VIN_OV_FAULT_LIMIT FA26 R 2 Linear Sets input over-voltage threshold. 56h VIN_OV_FAULT_RESPONSE C0 R 1 Turn PSU OFF. Cleared upon AC recycle. Sets the threshold of input voltage that triggers 57h VIN_OV_WARN_LIMIT FA1C R 2 Linear high voltage warning. Sets the threshold for input current that causes 5Bh IIN_OC_FAULT_LIMIT DA80 R 2 Linear over-current fault within 100ms. 5Ch IIN-OC-FAULT_RESPONSE C0 R 1 Turn PSU OFF. cleared upon AC recycle. 5Dh IIN_OC_WARN_LIMIT DA80 R 2 Linear Input Over Current warning threshold. Sets the threshold by which the Power Good 5Eh POWER_GOOD_ON 04AB R 2 Direct signal is asserted. Sets the threshold by which the Power Good 5Fh POWER_GOOD_OFF 048C R 2 Direct signal is de-asserted. TM Rev.04.10.12_#1.0 DS2900-3 Series Supported PMBus Command List: DS2900-3 Series Page 46 Command Default Value Access Data Data Command Name Code (HEX) Type Bytes Format Sets the time (ms), from start condition (Power 60h TON_DELAY 0064 R/W 2 Direct ON) until the output starts to rise. default value is 0ms. Sets the time (ms), for the output rises from 0 to regulation. 61h TON_RISE 1770 R/W 2 Direct default value is 0ms. Sets the time (ms), from a stop condition (Power 64h TOFF_DELAY 0096 R/W 2 Direct OFF) until the output starts to drop (converter OFF).(23ms) 78h STATUS_BYTE - R 1 Returns the summary of critical faults A fault was declared because the device was b7 – BUSY - busy and unable to respond. b6 – OFF - Unit is OFF b5 – VOUT_OV - Output over-voltage fault has occurred b4 – IOUT_OC - Output over-current fault has occurred b3 - VIN_UV - An input under--voltage fault has occurred b2 - TEMPERATURE - A temperature fault or warning has occurred A communication, memory or logic fault has b1 – CML - occurred. A Fault Warning not listed in bits[7:1] has b0 – NONE OF THE ABOVE - occurred. 79h STATUS_WORD - R 2 Summary of units Fault and warning status. b15 – VOUT An output voltage fault or warning has occurred An Output current or power fault or warning has b14 – IOUT/POUT occurred. An input voltage, current or power fault or b13 – INPUT warning as occurred. A manufacturer specific fault or warning has b12 – MFR occurred. b11 – POWER_GOOD# The POWER_GOOD signal is de-asserted b10 - FANS A fan or airflow fault or warning has occurred. b9 – OTHER A bit in STATUS_OTHER is set. A fault type not given in bits [15:1] of the b8 – UKNOWN STATUS_WORD has been detected. A fault was declared because the device was b7 – BUSY busy and unable to respond. b6 – OFF Unit is OFF b5 – VOUT_OV Output over-voltage fault has occurred b4 – IOUT_OC Output over-current fault has occurred b3 - VIN_UV An input under-voltage fault has occurred b2 – TEMPERATURE A temperature fault or warning has occurred A communication, memory or logic fault has b1 – CML occurred. A fault or warning not listed in bits[7:1] of this b0 – NONE_OF_THE_ABOVE byte has occurred. 7Ah STATUS_VOUT - R 1 Output voltage related faults and warnings b7 VOUT Over--voltage Fault b6 VOUT Over-voltage warning b5 VOUT Under-voltage Warning b4 VOUT Under-voltage Fault TM Rev.04.10.12_#1.0 DS2900-3 Series Supported PMBus Command List: DS2900-3 Series Page 47 Command Default Value Access Data Data Command Name Code (HEX) Type Bytes Format VOUT_MAX Warning, an attempt has been b3 made to set output to a value higher that the highest permissible voltage. b2 b1 b0 reserved 7Bh STATUS_IOUT R 1 Output Current related faults and warnings b7 IOUT Over current Fault IOUT Over current And Low Voltage shutdown b6 Fault b5 IOUT Overcurrent Warning b4 IOUT Undercurrent Fault Current Share Fault, Set if Ishare level is much b3 greater or lower than the actual output current. Refer to section 5.13 for Load sharing limits. b2 Power Limiting b1 b0 7Ch STATUS_INPUT - R 1 Input related faults and warnings b7 VIN Overvoltage Fault b6 VIN Overvoltge Warning b5 b4 b3 Unit is OFF for insufficient Input Voltage b2 IIN Overcurrent Fault b1 IIN Overcurrent Warning b0 7Dh STATUS_TEMPERATURE - R 1 Temperature related faults and warnings b7 Overtemperature Fault b6 Overtemperature Warning b5 Undertemperature Warning b4 Undertemperature Fault b3:0 reserved 7Eh STATUS_CML - R 1 Communications, Logic and Memory b7 Invalid or unsupported Command Received b6 b5 Packet Error Check Failed b4 Memory Fault Detect, CRC Error b3 b2 Reserved b1 b0 80h STATUS_MFR_SPECIFIC - R 1 Manufacturer Status codes Bulk OK, 1- Bulk is within range and is ready for b7 use b6 BulkUV, 1- Bulk is below operating range b5 BulkOV, 1 – Bulk voltage reached OVP limit. b4 Primary_OTP1, Heatsink OTP TM Rev.04.10.12_#1.0 DS2900-3 Series Supported PMBus Command List: DS2900-3 Series Page 48 Command Default Value Access Data Data Command Name Code (HEX) Type Bytes Format b3 Primary_OTP2, Ambient OTP b2 reserved b1 reserved PSON, CONTROL Pin Status 1 – asserted, 0 - b0 deasserted 81h STATUS_FANS_1_2 R 1 b7 Fan 1 Fault b6 Fan 2 Fault b5 Fan 1 Warning b4 Fan 2 Warning b3 Fan_1 Speed Overridden b2 Fan_2 Speed Overridden b1 b0 88h READ_VIN - R 2 Linear Returns input Voltage in Volts ac. 89h READ_IIN - R 2 Linear Returns input Current in Amperes 8Ah READ_VCAP - R 2 Linear Returns Bulk Capacitor voltage in Volts 8Bh READ_VOUT - R 2 Direct Returns the actual, measured voltage in Volts. 8Ch READ_IOUT - R 2 Direct Returns the output current in amperes. 8Dh READ_TEMPERATURE_1 - R 2 Direct Secondary Ambient Temperature 8Eh READ_TEMPERATURE_2 - R 2 Direct Primary Heat-sink Temperature 8Fh READ_TEMPERATURE_3 - R 2 Direct Primary Ambient Temperature 90h READ_FAN_SPEED_1 - R 2 Linear Speed of Fan 1 91h READ_FAN_SPEED_2 - R 2 Linear Speed of Fan 2 Returns the Duty Cycle of the main power 94h READ_DUTY_CYCLE - R 2 Direct converter in percent. Returns the actual switching frequency of the 95h READ_FREQURNCY - R 2 Direct main power converter in kHz. 96h READ_POUT - R 2 Linear Returns the output power, in Watts. 97h READ_PIN - R 2 Linear Returns the input power, in Watts. 98h PMBUS_REVISION 11 R 1 Reads the PMBus revision number Part 1 Revision b7:5 0001 0000 – Revision 1.0 0001 – Revision 1.1 Part 2 Revision b4:0 0001 0000 – Revision 1.0 0001 – Revision 1.1 99h MFR_ID “ALL” BR/W 4 Abbrev or symbol of manufacturers name. 9Ah MFR_MODEL “DS2900” BR/W 6 Manufacturers Model number, ASCII format 9Bh MFR_REVISION “1.0” BR/W 2 Manufacturers, revision number, ASCII format 9Ch MFR_LOCATION “xxx” BR/W 3 Manufacturers facility, ASCII format Manufacture Date, ASCII format 9Dh MFR_DATE “xxxxxxx” BR/W 6 structure : YYMMDD “xxxxxxxxxxxxxxx 9Eh MFR_SERIAL BR 16 Unit serial number, ASCII format. x” A0h MFR_VIN_MIN F2D0 R 2 Linear Minimum Input Voltage (90Vac) A1h MFR_VIN_MAX FA10 R 2 Linear Maximum Input Voltage (264Vac) A2h MFR_IIN_MAX DA80 R 2 Linear Maximum Input Current (13A) A3h MFR_PIN_MAX 1325 Linear Maximum Input Power TM Rev.04.10.12_#1.0 DS2900-3 Series Supported PMBus Command List: DS2900-3 Series Page 49 Command Default Value Access Data Data Command Name Code (HEX) Type Bytes Format Minimum Output Voltage A4h MFR_VOUT_MIN 048C R 2 Direct Regulation Window. Maximum Output Voltage. A5h MFR_VOUT_MAX 04D4 R 2 Direct Regulation Window(12.36) A6h MFR_IOUT_MAX 5DC0 R 2 Direct Maximum Output Current (150A) A7h MFR_POUT_MAX 12D5 R 2 Linear Maximum Output Power (2900W) Maximum Operating Ambient Temperature A8h MFR_TAMBIENT_MAX 1388 R 2 Direct (Secondary Ambient) (40 degC) Minimum Operating Ambient Temperature A9h MFR_TAMBIENT_MIN 0000 R 2 Direct (Secondary Ambient) (-10 degC) D0h Primary_OTP EB48 R 2 Direct Primary Over Temperature Limit D1h STBY_UV 012C R/W 2 Direct Standby Under-voltage Level Standby Fan Speed, (13200 rpm / 20% Duty D2h Min Fan Speed 12DF R/W 2 - Cycle) Normal operation Fan Speed (38400 rpm / D3h Max Fan Speed 2396 R/W 2 - 100% Duty Cycle) Stores a copy of STATUS_WORD during the D4h MFR_STATUS WORD HISTORY 0000 R/W 2 - most recent fault. E0h READ_STBY - R 2 - Read Standby Voltage Variable. Used by Factory to trim Ishare Voltage E3h READ_PIN - R 2 - Slope. Default before tirmming, FF7F E4h READ_EFF - R 2 - Read Efficiency Rev.04.10.12_#1.0 DS2900-3 Series Application Notes Page 50 Current Sharing The DS2900-3 series’ main output V1 is equipped with current sharing capability. This will allow up to 4 power supplies to be connected in parallel for higher power application. Current share accuracy is typically 10% of full load. All current sharing functions are implemented internal to the power supply by making use of the 12V IShare signal. The system connects the 12V IShare lines between the power supplies. Standby Load Sharing Each 3.3Vsb/3.0A or 5V/2A standby output in the system will deliver current up to the current limit point. At this point the power supply will go into constant current mode and allow other power supplies in the system to deliver additional standby current (Droop method I sharing) Rev.04.10.12_#1.0 Redundancy / Fault Tolerance DS2900-3 Series Page 51 The DS2900-3 series power supplies will allow up to 8 power supplies to be connected in an N+1 redundant load. where n =1, 2, 3, 4… Any failure of one power supply in parallel as well as hot swapping shall not cause more than a 4% change in main output. Current share accuracy is typically 3% of full load. The Failure of one or more supplies will not cause the remaining supplies to violate any of the input or output specifications noted in this specification including all status signals. The latch of the DS2900-3 power supply is designed to prevent the latch from depressed if the AC cord is attached to the power supply. In order to remove the power supply from system chassis, the AC cord must be removed first so the power supply will always be in the powered off state during the removal from system chassis. Rev.04.10.12_#1.0 Output Ripple and Noise Measurement DS2900-3 Series Page 52 The setup outlined in the diagram below has been used for output voltage ripple and noise measurements on the DS2900 Series. When measuring output ripple and noise, a scope jack in parallel with a 0.1uF ceramic chip capacitor, and a 10 uF aluminum electrolytic capacitor should be used. Oscilloscope should be set to 20 MHz bandwidth for this measurement. Rev.04.10.12_#1.0 DS2900-3 Series Page 53 Americas 5810 Van Allen Way Carlsbad, CA 92008 USA Telephone: +1 (760) 930 4600 Facsimile: +1 (760) 930 0698 Europe (UK) Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX United Kingdom Telephone: +44 (0) 1384 842 211 Facsimile: +44 (0) 1384 843 355 Asia (HK) 14/F, Lu Plaza 2 Wing Yip Street Kwun Tong, Kowloon Hong Kong Telephone: +852 2176 3333 Facsimile: +852 2176 3888 For global contact, visit: www.powerconversion.com techsupport.embeddedpower @emerson.com While every precaution has been taken to ensure accuracy and completeness in this literature, Emerson Network Power assumes no responsibility, and disclaims all liability for damages resulting from use of this information or for any errors or omissions. Emerson Network Power. The global leader in enabling business-critical continuity. AC Power Connectivity DC Power Embedded Computing Embedded Power Monitoring Outside Plant Power Switching & Controls Precision Cooling Racks & Integrated Cabinets Services Surge Protection EmersonNetworkPower.Com Emerson Network Power and the Emerson Network Power logo are trademarks and service marks of Emerson Electric Co. ©2008 Emerson Electric Co.