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电机控制使用AMC1306芯片,在线上采样电流时是否还需要做PWM的触发同步

Other Parts Discussed in Thread: AMC1200

电机控制使用AMC1200或AMC1306等芯片,在线上采样电流时是否还需要做PWM的触发同步?

在线上采样电流,电流应该是连续的,是否能一直读取电流信号而忽略PWM的开关时刻。

如果这么做,是否有必要担心大功率的开关噪声会影响电流采样