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DRV8301 REVD电机启动问题

Other Parts Discussed in Thread: TMS320F28062F

本人仿照DRV8301 REVD驱动电路自己做了一块电路板,该电路板的主控芯片默认是TMS320F28069M,我把主控芯片换为TMS320F28062F后,软件不变化。电机也可以正常输出扭矩和转速。就是电机在启动的时候有时候会无法启动,电机摆一下就停转,这是什么原因?(主控芯片默认是TMS320F28069M一直可以正常启动电机)