• State
  • Locked Locked
  • Replies 1 reply
  • Subscribers 28 subscribers
  • Views 117 views
  • Users 0 members are here
Support feedback
Options
Options
Similar topics

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

DRV8811: Different current between AOUT and BOUT

Yusuke Mukuno
Expert 7395 points
Part Number: DRV8811

Hi expert,

Could please give me your advice for root cause of the following difference between AOUT and BOUT current.

-In the waveform, the current is insufficient on the High current side, and it should be 0A on the Low current side, but it seems that a little current is flowing.

-Also, the current difference between Aout and Bout on both High and Low seems to be about the same.

- In low current side, the current is in the + direction.

Thanks

Mukuno

  • 0
    TI__Guru 55565 points

    Mukuno-san,

    Is this on the customer board or EVM?  If customer board, please share schematic.  

    If they swap motor connections, does the issue follow the motor windings or does the condition not change?  Does this occur on more than one unit?

    Regards,

    Ryan