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DRV8873-Q1: NFault pin

Darsana S
Prodigy 50 points
Part Number: DRV8873-Q1

Tool/software:

we are observing in Hardware PWM mode, fault pin is going low for every 20s. What could be the reasons? We have connected the load also.

  • 0
    TI__Intellectual 2540 points

    Hi, 

    The nFAULT pin is not just for open load detection. It will be pulled low for any kind of fault occurring in the device. Please read the datsheet section 7.1.3.8 for further information. Let us know if you have any specific questions. 

    Regards, 
    Karan