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Search FAQs

What is the correct 3.3V Power Budget for the BMXCPS4002(S) power supply?

Issue
There is a power supply specification conflict between a reference manual and Control Expert software.  

According to the x80 Power Supplies and Racks Hardware Reference Manual, (part number EIO000000262), the BMXCPS4002 (and S) power supply provides 5A on the 3.3V backplane bus.  Control Expert V14.1 shows that 5.5A is available on the 3.3V bus.


Product Line
BMXCPS4002
BMXCPS4002S


Environment
Control Expert V14.1


Resolution
They are both correct as:
  • 5A is the nominal value for the 3.3V bus.
  • 5.5A is the maximum value for the 3.3V bus.

This will be clarified in future documentation.
.