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.

DRV8840: 在慢衰减模式下,电机换向时电机电流出现高脉冲电流再进入斩波电流平台?

Part Number: DRV8840

DRV8840在慢衰减模式下,使用高低电平(没采用PWM)进行电机换向时电机电流出现高脉冲电流后再进入斩波电流平台,而在快衰减模式下不会出现高脉冲电流?

电机Vm 24V ,0.5A运行电流。斩波电流值设置在4A。

下图为慢衰减模式下电机电流波形,出现高脉冲电流,此时斩波功能为何没启动,而是持续一段时间后才启动?