Intel Entry Redundant Power 2U ERP2U Design Manual Download Page 1

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SSI

ERP2U

(Entry Redundant Power 2U)

Power Supply Design Guide

A Server System Infrastructure (SSI) Specification

For 2U Rack Chassis Power Supplies

Version 1.0

Summary of Contents for Entry Redundant Power 2U ERP2U

Page 1: ...SSI ERP2U Entry Redundant Power 2U Power Supply Design Guide A Server System Infrastructure SSI Specification For 2U Rack Chassis Power Supplies Version 1 0...

Page 2: ...EQUENTIAL DIRECT INDIRECT OR SPECIAL AMAGES WHETHER UNDER CONTRACT TORT WARRANTY OR OTHERWISE ARISING IN ANY WAY OUT OF USE OR RELIANCE UPON THIS SPECIFICATION OR ANY INFORMATION HEREIN The Promoters...

Page 3: ...cification 12 6 DC Output Specification 13 6 1 Output Connectors 13 6 1 1 Required Baseboard power connector 13 6 1 2 Optional Processor Power Connector 13 6 1 3 Required Peripheral Power Connectors 1...

Page 4: ...3 Table 7 Processor Power Connector 13 Table 8 Peripheral Power Connectors 14 Table 9 P9 Floppy Power Connector 14 Table 10 Server Signal Connector 15 Table 11 350 W Load Ratings 16 Table 12 480 W Loa...

Page 5: ...ap redundant configuration The scope of this document defines the requirements for this power assembly The parameters of this supply are defined in this design guide for open industry use 2 Conceptual...

Page 6: ...on commonly includes briefly removing and then reconnecting the supply or it could be done through a switch Electronic intervention could be done by electronic signals in the Server System Monotonical...

Page 7: ...ed to allow for the additional series fan A recommended power supply module solution is the SSI TPS power supply Refer to www ssiforum org for the latest TPS Design Guide The cage may have IEC inlet c...

Page 8: ...atures in the bottom of the chassis This will help position the cage and secure it laterally The features in the chassis are shown below as a reference 4 2 Airflow Requirements STATUS Recommended The...

Page 9: ...closure requirements for temperature rise limits All sides of the power supply with exception to the air exhaust side must be classified as Handle knobs grips etc held for short periods of time only 5...

Page 10: ...tage to guarantee proper design margins Table 2 AC Input Rating PARAMETER MIN RATED MAX 350W Max Rated Input Current 480W Max Rated Input Current Voltage 110 90 Vrms 100 127 Vrms 140 Vrms 5 5 Arms 1 7...

Page 11: ...protection to prevent damage to the power supply and meet product safety requirements Fuses should be slow blow type or equivalent to prevent nuisance trips AC inrush current shall not cause the AC l...

Page 12: ...Voltage ranges 50 60 Hz Loss of function acceptable self recoverable Table 5 AC Line Surge Transient Performance AC Line Surge Duration Surge Operating AC Voltage Line Frequency Performance Criteria C...

Page 13: ...e 3 COM Black 15 COM Black 4 5 VDC Red 16 PS_ON Green 5 COM Black 17 COM Black 6 5 VDC Red 18 COM Black 7 COM Black 19 COM Black 8 PWR OK Gray 20 Reserved 5 V in ATX N C 9 5 VSB Purple 21 5 VDC Red 10...

Page 14: ...3 COM Black 4 5 VDC Red Note The 12V power to peripherals may be split between 2 or 3 channel for the purpose of limiting power to less than 240VA 6 1 4 Required Floppy Power Connector Connector housi...

Page 15: ...pins shall be connected to safety ground power supply enclosure 6 3 Remote Sense STATUS Optional The power assembly may have remote sense for the 3 3V 3 3VS and return ReturnS if the Optional Server S...

Page 16: ...utput power should not exceed 350 W 2 Maximum continuous combined load on 3 3 VDC and 5 VDC outputs shall not exceed 115 W 3 Maximum Peak total DC output power should not exceed 410 W 4 Peak power and...

Page 17: ...2V3 12 V and 5 VSB outputs are measured at the power assembly connectors referenced to ReturnS The 3 3 V is measured at its remote sense signal 3 3VS located at the signal connector Table 13 Voltage R...

Page 18: ...000 F 5 V 30 of max load 0 5 A s 1 000 F 12V1 12V2 12V3 65 of max load 0 5 A s 1 000 F 5 VSB 25 of max load 0 5 A s 1 F 6 7 Capacitive Loading STATUS Required The power supply shall be stable and meet...

Page 19: ...d The power supply modules shall be hot swappable Hot swapping a power supply is the process of inserting and extracting a power supply from an operating power system During this process the output vo...

Page 20: ...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 may be removed then replaced with a goo...

Page 21: ...oltage shall reach regulation within 50 ms Tvout_on of each other during turn on of the power supply Each output voltage shall fall out of regulation within 400 ms Tvout_off of each other during turn...

Page 22: ...eactive to PWOK being deasserted 50 ms Tpwok_on Delay from output voltages within regulation limits to PWOK asserted at turn on 200 1000 ms T pwok_off Delay from PWOK deasserted to output voltages 3 3...

Page 23: ...Turn On Off Timing AC Input Vout PWOK 5VSB PSON Tsb_on_delay TAC_on_delay Tpwok_on Tvout_holdup Tpwok_holdup Tpson_on_delay Tsb_on_delay Tpwok_on Tpwok_off Tpwok_off Tpson_pwok Tpwok_low Tsb_vout AC...

Page 24: ...nder over current or shorted conditions so that no damage can occur to the power supply Table 20 Over Current Protection Voltage Over Current Limit Iout limit 3 3 V 110 minimum 150 maximum 5 V 110 min...

Page 25: ...power pins of the power supply connector during any single point of fail The voltage shall never trip any lower than the minimum levels when measured at the power pins of the power supply connector T...

Page 26: ...cept the 5 VSB and Vbias turn off This signal is pulled to a standby voltage by a pull up resistor internal to the power supply Refer to Figure 3 for timing diagram Table 23 PSON Signal Characteristic...

Page 27: ...a LOW state See Figure 3 for a representation of the timing characteristics of PWOK The start of the PWOK delay time shall be inhibited as long as any power supply output is in current limit Table 24...

Page 28: ...tied to ReturnS inside the power supply so that information can be written to the EEPROM 8 3 2 Module FRU Data FRU data shall be stored starting in address location 8000h through 80FFh The FRU data f...

Page 29: ...Information Definition Overall Capacity watts 480 Peak VA 550 Inrush current A 50 Inrush interval ms 5 Low end input voltage range 1 90 High end input voltage range 1 140 Low end input voltage range...

Page 30: ...tdown due to over current or shutdown due to over temperature Refer to Table 28 LED Indicators for conditions of the LED s Table 28 LED Indicators POWER SUPPLY CONDITION Power Supply LED s AMBER GREEN...

Page 31: ...lthough a power supply can be designed for worldwide compliance there may be cost factors that drive different versions of supplies for different geographically targeted markets This specification req...

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