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DRV10983: PWM 控速电机不转,只有在100% Duty时才转动。只有1%~2%电机是这样

Part Number: DRV10983


在应用DRV10983 PWM控制电机转速时,量产发现1%~2%的输入PWM 控制转速时,风扇不启动。只有在100% Duty时才能转起来?请教这是哪里的问题?