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DRV8825: No load output

Enhui Yang
Intellectual 2420 points
Part Number: DRV8825

Hi team,

 With DRV8825 no load output, the output waveform looks like this. Is this normal?

Why is there a little pulse in the middle?

Thanks for your response and help.

  • 0
    TI__Mastermind 18875 points

    Hi Enhui,

    I am currently looking into this. Here are some questions that I had:

    1. By no load output do you mean there is no motor attached or there is a motor attached, but no load attached to the motor.

    2. Can you zoom in on the pulse and give me the time scale so the pulse width can be determined?

    Best, 
    Keerthi