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DRV8428: 步进电机驱动

Part Number: DRV8428


你好,我用你们的drv8428步进电机驱动芯片设计了一款驱动电路,但是制作出来之后使用时电机只会振动但是不旋转
ps:电路的设计是参照芯片手册中的典型应用设计的