Intel Entry Redundant Power 2U ERP2U - Manual (Page 3)

SSI
ERP2U Power Supply Design Guide, V1.0
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Contents
1
Purpose ..............................................................................................................................................5
2
Conceptual Overview..........................................................................................................................5
3
Definitions/Terms/Acronyms ..............................................................................................................6
4
Mechanical Overview..........................................................................................................................7
4.1 Recommended Chassis Mounting Method ..........................................................................................8
4.2 Airflow Requirements.........................................................................................................................8
4.2.1 Redundant Cooling .....................................................................................................................9
4.3 Temperature Requirements................................................................................................................9
5
AC Input Requirements.......................................................................................................................9
5.1 AC Inlet Connector ............................................................................................................................9
5.2 Redundant AC Inlets..........................................................................................................................9
5.3 AC Input Voltage Specification ......................................................................................................... 10
5.4 Efficiency ........................................................................................................................................ 10
5.5 AC Line Dropout .............................................................................................................................. 11
5.6 AC Line Fuse .................................................................................................................................. 11
5.7 AC Inrush........................................................................................................................................ 11
5.8 AC Line Transient Specification ........................................................................................................ 12
5.9 AC Line Fast Transient Specification ................................................................................................ 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 ...................................................................................... 14
6.1.4 Required Floppy Power Connector ............................................................................................ 14
6.1.5 Optional Server Signal Connector.............................................................................................. 15
6.2 Grounding ....................................................................................................................................... 15
6.3 Remote Sense ................................................................................................................................ 15
6.4 Output Power/Currents .................................................................................................................... 16
6.4.1 Standby Outputs ....................................................................................................................... 17
6.5 Voltage Regulation .......................................................................................................................... 17
6.6 Dynamic Loading............................................................................................................................. 18
6.7 Capacitive Loading .......................................................................................................................... 18
6.8 Ripple / Noise.................................................................................................................................. 18
6.9 Redundancy.................................................................................................................................... 19
6.10 Hot Swap Requirements............................................................................................................... 19
6.11 Timing Requirements ................................................................................................................... 21
7
Protection Circuits............................................................................................................................ 24
7.1 Current Limit ................................................................................................................................... 24
7.2 240VA Protection ............................................................................................................................ 24
7.3 Over Voltage Protection................................................................................................................... 25
7.4 Over Temperature Protection ........................................................................................................... 25
8
Control and Indicator Functions....................................................................................................... 26
8.1 PSON# ........................................................................................................................................... 26