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DRV8329-Q1: About AVDD.

Leo Ma
Expert 3706 points
Part Number: DRV8329-Q1
Other Parts Discussed in Thread: DRV8329

Tool/software:

Hi Expert,

Have a nice day! I have question need your professional support:

Customer wrongly connect AVDD to external DCDC whose VOUT is3.3V:

Can this also work normally? Any risks to DRV8329-Q1?

 

Thanks!

Best Regards,

Leo Ma

  • +1
    TI__Genius 15395 points

    Hi Leo,

    AVDD on DRV8329 is an output not an input. The device has not been tested in this configuration as this was not intended, so this could have unknown consequences. It is recommended that AVDD be disconnected from the 3.3V supply

    Regards,

    Yara