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TPS650864: regarding enable pin of external buck for 0.72V

prema R
Intellectual 460 points
Part Number: TPS650864

Tool/software:

Hi

We are using TPS6508641RSKT in our design to power up zynq ultrascale+ fpga.

We are following implementation as per fig 6.1 of scea113. Please let us know whether any pmic GPO signal needs to be connected to enable pin of external buck used for 0.72V.

What signal needs to be connected to the enable pin of external buck? .Please let us know.

  • 0
    TI__Expert 3915 points

    Hi Prema, 

    I have just answered in the other thread that you have posted, but just to reiterate:

    Assuming you are following 6.1: Always-On mode, the enable pin of the external buck can be left floating, so that the buck is already set to enable.

    Best Regards, 
    Sarah