SSI America ERP2U manual

SSI

ERP2U (Entry Redundant Power 2U) Power Supply Design Guide

A Server System Infrastructure (SSI) Specification

For 2U Rack Chassis Power Supplies

Version 2.31

Contents

Main ERP2U (Entry Redundant Power 2U) Power Supply Design Guide ERP2U Power Supply Design Guide, V2.31 - 2 - Revision History Orig./Rev. Description of Changes Page Contents Figures Tables Page Purpose Conceptual Overview NOTE 3 4 SIDE VIEW FRONT VIEWREAR VIEW 4.1 Acoustic Requirements 4.2 Airflow Requirements 4.3 Temperature Requirements 5 5.1 AC Inlet Connector 5.2 Redundant AC Inlets 5.3 AC Input Voltage Specification 5.4 Input Under Voltage 5.5 Efficiency 5.6 AC Line Dropout 5.7 AC Line Fuse 5.8 AC Inrush 5.9 AC Line Transient Specification 5.10 AC Line Fast Transient Specification 6 6.1 Output Connectors 6.1.1 Required Baseboard power connector 6.1.2 +12V4 Baseboard Power Connector 6.1.3 Required Peripheral Power Connectors 6.1.4 Required Floppy Power Connector 6.1.5 Serial ATA Power Connector 6.1.6 Server Signal Connector 6.2 Grounding 6.3 Remote Sense 6.4 Output Power/Currents Table 14: 600 W Load Ratings Voltage Minimum Continuous Maximum Continuous Peak Table 15: 650 W Load Ratings Voltage Minimum Continuous Maximum Continuous Peak Table 16: 700 W Load Ratings Voltage Minimum Continuous Maximum Continuous Peak Table 17: 750 W Load Ratings Voltage Minimum Continuous Maximum Continuous Peak 6.4.1 Standby Outputs 6.4.2 Fan operation in standby mode 6.5 Voltage Regulation 6.6 Dynamic Loading 6.7 Capacitive Loading 6.8 Ripple / Noise 6.9 Redundancy 6.10 Hot Swap Requirements 6.11 Timing Requirements Table 25: Turn On/Off Timing Item Description MIN MAX UNITS STATUS Recommended Item Description MIN MAX UNITS Page Protection Circuits 7.1 Current Limit 7.2 240VA Protection 7.3 Over Voltage Protection 7.4 Over Temperature Protection 8 8.1 PSON# 8.2 PWOK (Power OK) 8.3 SMBus Communication 8.4 Power Supply Management Interface 8.5 Field Replacement Unit (FRU) Signals 8.5.1 Module FRU Data 8.5.2 Module FRU Data Format 8.5.2.1 Product Info Area 8.5.2.2 MultiRecord Area 8.6 LED Indicators Page 9 10