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步进电机启动就报警

Part Number: DRV8825


驱动电机只要电机启动fault引脚就变低电平,实际也没过流,芯片一点也不热,电机也正常转 di电机转动时电流最多也就是0.42A,但是不知道为什么这个故障引脚就一直报故障