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TPS25221DBVEVM-018: What is the /FAULT pin behavior...

Peter Tseng
Mastermind 6150 points
Part Number: TPS25221DBVEVM-018

Dear Sir,

May I know what is /fault pin behavior?

Here is my customer test result and seems there is something wrong with /fault pin output.

My customer performs 500mA and 1A current limit test and found fault pin will output low even the output current did not reach the limit current.

May I know why?

Anything I misunderstand for the fault pin function?

Thanks.

 

  • 0
    TI__Mastermind 18031 points

    Hi Sir,

    It has the current limit accuracy.

    Please see the datasheet Page 5  current limit section which includes the min and max value.

    For TI's policy, I will first click resolved button.

    If you have any other concern, contact me any time.

    If you think resolved, please help click 'Issue is solved button'.

    Thanks.