DRV8873: Motor does not stop in stop section.

Part Number:DRV8873

Hi

NFAULT of DRV8873 is output at the motor stop point (Brake timing).

This causes the motor not to stop at the stopping point.

* Waveform 1: DRV8873H-Q1 - Brake released due to OCP occurrence at Brake

Measuring conditions

- DRIVER IC: DRV8873H-Q1

- DRV8873 Control signal

- DRIVER IC: DRV8873H-Q1

- DRV8873制御信号

  #1 (GND): 0V

  #2 (3.3V): 3.3V 

  #3 (nFault): --> Ch3

  #4 (MODE): 0V

  #5 (SDI/SR): 0V

  #6 (SCLK/nITROP): 0V

  #7 (nOL): 3.3V

  #8 (EN/IN1): --> Ch1

  #9 (PH/IN2): --> Ch2

  #10 (DISABLE): 0V

  #11 (IPROPI1): 0V

  #12 (nSLEEP): 3.3V

  #13 (IPROPI2): 0V

  #14 (GND): 0V

* Waveform 2: DRV8840 is normally braked without OCP. (V_REF 2.48V)

Regards

Andy