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TPS2546: Use Fault Pin control EN pin

Jim CHEN
Expert 4795 points
Part Number: TPS2546

Dear Team,

May I know if we could use Fault# pin to drive EN pin low when the over current condition occur? 

Thank you.

Regards,

Jim 

  • 0
    TI__Mastermind 30000 points

    Hi Jim,

    This is not necessary as the TPS2546 will automatically open the internal power path when it detects an overcurrent condition. The FAULT pin is used to notify a downstream device. You can look at Figures 20 through 22 in the datasheet for the devices behavior in this specific condition