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TI套件28335,HVPM sensorless生成的PWM波形

 理论上占空比应该是(0,1),但是用示波器测得的PWM-1,2,3H 1,2,3L的占空比都在50%徘徊,请问是为什么

  • 你好:

    例程中用的PWM都是中心对称的,所以0%时,其实你看到单相的是50%。但是所有的通道都是一样的,所以相当于就是0%