June 25, 20195 yr On 6/22/2019 at 4:01 PM, nachtfalke said: pin 48 = +5VCC ( add +5vcc LDO to generate power supply for pwm) pin 51 = EN -enable chip ( detect whether MOSFET driver power supply is ready) pin 52 = VTT - enable input of the controller(this pin monitoring if any 12v voltage are presence in the pci-e slot to activated the chip) pin 62 = PSI ( power state indicator input for load ) here should be always 3.3v to enable ALL power phase , if 3.3v missing will be activated ONLY one phase. Awesome. cheers for the response, much appreciated.
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