Intel Entry Redundant Power 2U ERP2U User 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