Related Manuals for SSI America ERP2U
Summary of Contents for SSI America ERP2U
- Page 1 ERP2U (Entry Redundant Power 2U) Power Supply Design Guide A Server System Infrastructure (SSI) Specification For 2U Rack Chassis Power Supplies Version 2.31...
- Page 2 Increase 12V1/2 current for 550W-650W power levels. Relax require regulation limits. Added optional regulation limits. Fixed error in 3.3V and 5V loading. Increased 3.3V/5V combined power. 2.31 ERP2U Power Supply Design Guide, V2.31 Revision History Description of Changes - 2 -...
- Page 3 ERP2U Power Supply Design Guide, V2.31 Disclaimer: THIS SPECIFICATION PROVIDED "AS IS" WITH WARRANTIES WHATSOEVER, INCLUDING WARRANTY MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR ANY PARTICULAR PURPOSE, OR ANY WARRANTY OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE. WITHOUT LIMITATION, THE PROMOTERS (Intel Corporation, NEC Corporation, Dell Computer Corporation, Data General a division of EMC Corporation, Compaq Computer Corporation, Silicon Graphics Inc., and International Business...
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Page 4: Table Of Contents
Current Limit... 28 240VA Protection ... 28 Over Voltage Protection ... 29 Over Temperature Protection... 29 Control and Indicator Functions ... 30 PSON# ... 30 PWOK (Power OK) ... 31 SMBus Communication... 31 ERP2U Power Supply Design Guide, V2.31 - 4 -... - Page 5 Table 29: Over Voltage Limits ... 29 Table 30: PSON Signal Characteristic ... 30 Table 31: PWOK Signal Characteristics... 31 Table 32: FRU Device Information ... 32 Table 33: FRU Device Product Information Area ... 32 ERP2U Power Supply Design Guide, V2.31 - 5 -...
- Page 6 ERP2U Power Supply Design Guide, V2.31 Table 34: FRU Device Product Information Area ... 33 Table 35: LED Indicators ... 34 - 6 -...
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Page 7: Purpose
Local DC-DC converters shall be utilized for processor power, and will ideally convert power from the +12 V rail, however, they may also convert power from other rails. The bulk power system may be a n+1 redundant power system or a non-redundant power system. ERP2U Power Supply Design Guide, V2.31 - 7 -... -
Page 8: Definitions/Terms/Acronyms
Mean time between failure. A typical logic level output signal provided by the supply that signals the Server System that all DC output voltages are within their specified range. - 8 - ERP2U Power Supply Design Guide, V2.31... -
Page 9: Mechanical Overview
Required (Optional) The ERP2U is a power sub-system made up of a cage and redundant, hot swappable power supply modules. A mechanical drawing of the cage is shown below in Figure 1. Two depths are defined to the cage; 400mm and 350mm. -
Page 10: Acoustic Requirements
4.3 Temperature Requirements STATUS Recommended Idle 28ºC Figure 2 System Airflow Impedance System Flow Impedance - 2U Power Supply Airflow (CFM) - 10 - ERP2U Power Supply Design Guide, V2.31 Typical 28ºC 45ºC 100%... -
Page 11: Ac Input Requirements
10% THD must not cause the power supply to go out of specified limits. The power supply shall operate properly at 85 VAC input voltage to guarantee proper design margins. temperature range. All airflow shall pass Table 2: Thermal Requirements - 11 - ERP2U Power Supply Design Guide, V2.31 UNITS °C °C... -
Page 12: Input Under Voltage
Voltage (110) 90 V 100-127 V Voltage (220) 180 V 200-240 V Frequency 47 Hz Table 4: Efficiency 50% of maximum - 12 - ERP2U Power Supply Design Guide, V2.31 140 V 264 V 63 Hz www.efficientpowersupplies.org 20% of maximum... -
Page 13: Ac Line Fuse
Table 5: AC Line Sag Transient Performance AC Line Sag Line Frequency 50/60 Hz 50/60 Hz 50/60 Hz - 13 - ERP2U Power Supply Design Guide, V2.31 Performance Criteria No loss of function or performance No loss of function or performance Loss of function acceptable, self... -
Page 14: Ac Line Fast Transient Specification
The surge-withstand test must not produce damage to the power supply. • The supply must meet surge-withstand test conditions under maximum and minimum DC-output load conditions. ERP2U Power Supply Design Guide, V2.31 recoverable AC Line Surge Line Frequency Performance Criteria... -
Page 15: Dc Output Specification
18 AWG color Signal Black +12 V1 Black +12 V1 Black +12 V2 Black +12 V2 - 15 - ERP2U Power Supply Design Guide, V2.31 18 AWG Color Orange Blue Black Green Black Black Black N.C. Black 18 AWG Color... -
Page 16: 12V4 Baseboard Power Connector
+12 V4 Table 9: Peripheral Power Connectors 18 AWG Color Yellow Black Black Table 10: P9 Floppy Power Connector 22 AWG Color Black Black Yellow - 16 - ERP2U Power Supply Design Guide, V2.31 18 AWG Color Yellow/Green Stripe Yellow/Green Stripe... -
Page 17: Serial Ata Power Connector
Connector housing: 5-pin Molex 50-57-9405 or equivalent Contacts: Molex 16-02-0088 or equivalent Table 11: Floppy Power Connector 18 AWG Color Orange Black Black Yellow/Green Stripe Serial ATA Connector Table 12: Server Signal Connector Signal 24 AWG Color - 17 - ERP2U Power Supply Design Guide, V2.31... -
Page 18: Grounding
+3.3 V +5 V White/Green Stripe White/Yellow Stripe Black/White Stripe Orange/White Stripe Table 13: 550 W Load Ratings Minimum Continuous Maximum Continuous 0.8 A 24 A 0.5 A 24 A - 18 - ERP2U Power Supply Design Guide, V2.31 Peak... -
Page 19: Table 15: 600 W Load Ratings
Maximum Continuous 24 A 24 A 16 A 16 A 14 A 0.5 A 2.0 A - 19 - ERP2U Power Supply Design Guide, V2.31 18 A 18 A 13 A Peak 18 A 18 A 13 A Peak 18 A... -
Page 20: Table 17: 700 W Load Ratings
24 A 30 A 16 A 16 A 16 A 16 A 0.5 A 3.0 A - 20 - ERP2U Power Supply Design Guide, V2.31 Peak 18 A 18 A 18 A 18 A 3.5 A Peak 18 A 18 A... -
Page 21: Standby Outputs
30 A 16 A 16 A 0.9 A 16 A 0.1 A 16 A 0.5 A 0.1 A 3.0 A - 21 - ERP2U Power Supply Design Guide, V2.31 Peak 18 A 18 A 18 A 18 A 3.5 A... -
Page 22: Dynamic Loading
30% of max load 0.5 A/μs 30% of max load 0.5 A/μs 65% of max load 0.5 A/μs 25% of max load 0.5 A/μs - 22 - ERP2U Power Supply Design Guide, V2.31 Units Tolerance +/-5% +/-5% +/-5% +/-10% +/-5% Units... -
Page 23: Ripple / Noise
Table 22: Capacitve Loading Conditions 12,000 12,000 11,000 Table 23: Ripple and Noise +5 V +12 V -12 V 50 mVp-p 120 mVp-p 120 mVp-p - 23 - ERP2U Power Supply Design Guide, V2.31 Units μF μF μF μF μF +5 VSB 50 mVp-p... -
Page 24: Redundancy
Many variations of the above are possible. Supplies need to be compatible with these different variations depending upon the sub-system construction. In general, a failed (off by internal latch or external control) supply ERP2U Power Supply Design Guide, V2.31 - 24 -... -
Page 25: Timing Requirements
Vout 10% Vout Table 24: Output Voltage Timing vout_rise vout_on Figure 3: Output Voltage Timing - 25 - ERP2U Power Supply Design Guide, V2.31 ) of each other during turn vout_on ) of each other vout_off Units vout_off... -
Page 26: Table 26: Turn On/Off Timing
Time 5VSB output voltage stays within regulation sb_holdup after loss of AC. Table 25: Turn On/Off Timing active to output voltages within deactive to PWOK being - 26 - ERP2U Power Supply Design Guide, V2.31 UNITS 1500 2500 1000 UNITS... -
Page 27: Figure 4: Turn On/Off Timing
ERP2U Power Supply Design Guide, V2.31 AC Input vout_holdup Vout AC_on_delay pwok_low pwok_off pwok_on pwok_off sb on delay sb_on_delay pwok_on PWOK pson_pwok pwok_holdup Tsb_holdup 5VSB sb_vout pson_on_delay AC turn on/off cycle PSON turn on/off cycle Figure 4: Turn On/Off Timing... -
Page 28: Protection Circuits
Peak combine current minimum; 150% maximum Table 27: Over Current Protection Over Current Limit (Iout limit) 110% minimum; 150% maximum 110% minimum; 150% maximum Peak current minimum; 20A maximum - 28 - ERP2U Power Supply Design Guide, V2.31 cycle HIGH... -
Page 29: Over Voltage Protection
The OTP trip level shall have a minimum of 4 °C of ambient temperature hysteresis. Table 28: Over Voltage Limits MIN (V) 13.3 -13.3 - 29 - ERP2U Power Supply Design Guide, V2.31 MAX (V) 14.5 -14.5... -
Page 30: Control And Indicator Functions
≤ 1.0 V PS is enabled 1.0V 2.0V Figure 5: PSON# Signal Characteristics - 30 - ERP2U Power Supply Design Guide, V2.31 is an active low signal that turns 1.0 V 5.25 V 4 mA 400 ms 50 ms ≥ 2.0 V... -
Page 31: Pwok (Power Ok)
This bus shall operate at 3.3V but tolerant of 5V website for details on the Power Supply Monitoring Interface - 31 - ERP2U Power Supply Design Guide, V2.31 0.4 V 5.25 V 1000 ms 100 μs... -
Page 32: Field Replacement Unit (Fru) Signals
Not applicable, do not reserve Field Description {Formal name of manufacturer} {Manufacturer’s model number} Customer part number Customer current revision {Defined at time of manufacture} {Not used, code is zero length byte} - 32 - ERP2U Power Supply Design Guide, V2.31... -
Page 33: Led Indicators
When AC is applied to the power supply and standby voltages are available the GREEN LED shall BLINK. The GREEN LED shall turn ON to indicate that all the power outputs are ERP2U Power Supply Design Guide, V2.31 {Not required}... - Page 34 The LED(s) shall be visible on the power supply’s exterior face. The LED location shall meet ESD requirements. LED shall be securely mounted in such a way that incidental pressure on the LED shall not cause it to become displaced. ERP2U Power Supply Design Guide, V2.31 Table 34: LED Indicators Power Supply LED(s)
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Page 35: Mtbf
This testing must be completed by the system EMI engineer. Conformance must be designated with the European Union CE Marking. Specific immunity level requirements are left to customer requirements. ERP2U Power Supply Design Guide, V2.31 - 35 -...
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