Datasheet

Power Sub-System Intel® Server System SR1640TH TPS
Revision 1.0
Intel order number: E94847-001
62
Note: Signals that can be defined as low true or high true use the following convention:
Signal# = low true.
Table 51. Output signal definition
Signal Description Signal Description
12VLS +12V load share bus PWOK Power OK output
5 VSB 5V standby output +12 VRS 12V remote sense
PSON# Power enable input
PS-
KILL#/A1
Supply fast shutdown/I2C
address bit1
B/P FAIL B/P fail input SCL I2C clock signal
A0 I2C address bit 0 SDA I2C data signal
+15VCC B/P VCC
3.3 Efficiency
The Efficiency should meet at least Climate Saver 2 / 80Plus Silver rating, specified in below
table. The efficiency should be measured at 230VAC and with external fan power source at
specified loading, according to Climate Saver / 80Plus efficiency measurement
specifications.
Table 52. Power Supply Efficiency
Input 20% of maximum 50% of maximum 100% of maximum
230 VAC >85% >89% >85%
Table 53. FAN power loss
Input230VAC/LOAD
20% 50% 100%
FAN (POWER LOSS)
2W 5W 10W
The minimum efficiency at 100-264VAC for the Max load shall be at least 83%.
3.4 AC Input Voltage Specification
3.4.1 Input voltage and frequency
The power supply can auto-sense the input voltage, and operate in the range between
90VAC to 264VAC. It shall be capable of supplying the rated power as specified in Table 1 in
the voltage range of 90VAC to 264VAC.
Table 54. Rated output power for each input voltage range
Input voltage range Nominal voltage Max power
90-132 VAC 115 VAC 450 Watts
180-264 VAC 230 VAC 450 Watts
The power supply shall operate at any input frequency between 47 Hz and 63 Hz.