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Hi Team,
When driving a stepper motor with DRV8825, it does not output a normal square wave but instead produces a spike on the way the square wave drops as the following waveform shown:
The customer erases the software and powers up normally, giving a frequency signal on the step signal, a fixed value on the DIR, but the output waveform is the same. So the issue should be software agnostic.
The following are SCH and PCB layout, could you help check what is the might cause of the issue?
Could you help look into this case? Thanks.
Best Regards,
Cherry
