SSI America EPS2U User Manual

SSI EPS2U Power Supply Design Guide A Server System Infrastructure (SSI) Specification For Entry Chassis Power Supplies Revision 2.1 Revis

SSI EPS2U Power Supply Design Guide, V2.1 5.4 AC Line Dropout STATUS Required An AC line dropout is defined to be when the AC input drops to 0 VAC

SSI EPS2U Power Supply Design Guide, V2.1 Table 4: AC Line Sag Transient Performance AC Line Sag Duration Sag Operating AC Voltage Line Frequenc

SSI EPS2U Power Supply Design Guide, V2.1 6 DC Output Specification 6.1 Output Connectors The power supply shall have one of the two following outp

SSI EPS2U Power Supply Design Guide, V2.1 6.1.2 Baseboard power connector STATUS Required Connector housing: 24-Pin Molex 39-01-2240 or equivalen

SSI EPS2U Power Supply Design Guide, V2.1 2. If 240VA limiting is not a requirement for the power supply than all +12V outputs are common and may h

SSI EPS2U Power Supply Design Guide, V2.1 6.1.4 Peripheral Power Connectors STATUS Required Connector housing: Amp 1-480424-0 or equivalent Contac

SSI EPS2U Power Supply Design Guide, V2.1 If the optional server signal connector is not used on the power supply or the connector is unplugged, the

SSI EPS2U Power Supply Design Guide, V2.1 6.4 Output Power/Currents STATUS Recommended The following tables define the power and current ratings fo

SSI EPS2U Power Supply Design Guide, V2.1 Table 16: 600 W Load Ratings – Split Plane Voltage Minimum Continuous Maximum Continuous Peak +3.3 V

SSI EPS2U Power Supply Design Guide, V2.1 6.5 Voltage Regulation STATUS Required The power supply output voltages must stay within the following vo

SSI EPS2U Power Supply Design Guide, V2.1 Disclaimer: THIS SPECIFICATION IS PROVIDED "AS IS" WITH NO WARRANTIES WHATSOEVER, INCLUDING AN

SSI EPS2U Power Supply Design Guide, V2.1 6.6 Dynamic Loading STATUS Required The output voltages shall remain within the limits specified in Table

SSI EPS2U Power Supply Design Guide, V2.1 6.8 Ripple / Noise STATUS Required The maximum allowed ripple/noise output of the power supply is define

SSI EPS2U Power Supply Design Guide, V2.1 V4V3 V2 V1 Tvout_off Tvout_on Tvout_rise 10% Vout Vout Figure 2: Output Voltage Timing Tab

SSI EPS2U Power Supply Design Guide, V2.1 STATUS Recommended Item Description MIN MAX UNITS Tvout_holdup Time all output voltages stay within re

SSI EPS2U Power Supply Design Guide, V2.1 7 Protection Circuits STATUS Required Protection circuits inside the power supply shall cause only the

SSI EPS2U Power Supply Design Guide, V2.1 Table 26: Over Current Protection Common Plane Split Plane Voltage Over Current Limit (Iout limit) O

SSI EPS2U Power Supply Design Guide, V2.1 8 Control and Indicator Functions The following sections define the input and output signals from the pow

SSI EPS2U Power Supply Design Guide, V2.1 8.2 PWOK (Power OK) STATUS Required PWOK is a power OK signal and will be pulled HIGH by the power suppl

SSI EPS2U Power Supply Design Guide, V2.1 8.3.2 FRU Data Format The information to be contained in the FRU device is shown in the following table.

SSI EPS2U Power Supply Design Guide, V2.1 8.3.2.2 MultiRecord Area Implement as defined by the IPMI FRU document. The following record types shall

SSI EPS2U Power Supply Design Guide, V2.1 Contents 1 Purpose...

SSI EPS2U Power Supply Design Guide, V2.1 9 MTBF STATUS Recommended The power supply shall have a minimum MTBF at continuous operation of 1) 50,00

SSI EPS2U Power Supply Design Guide, V2.1 9 MTBF ...

SSI EPS2U Power Supply Design Guide, V2.1 1 2 Purpose This 2U Rack Power Supply Specification defines a common power supply used in entry-level serv

SSI EPS2U Power Supply Design Guide, V2.1 3 Definitions/Terms/Acronyms Required The status given to items within this design guide, which are requ

SSI EPS2U Power Supply Design Guide, V2.1 4 Mechanical Overview STATUS Required (Optional) Note: Some enclosure features are noted as optional in

SSI EPS2U Power Supply Design Guide, V2.1 4.1 Airflow Requirements STATUS Recommended The power supply shall have a two-speed fan(s) and provide c

SSI EPS2U Power Supply Design Guide, V2.1 5 AC Input Requirements STATUS Required The power supply shall incorporate universal power input with ac