The rotation speed falls below the forced commutation frequency.
旋转速度低于强制换向频率。
Each period of DC excitation and forced commutation drives is set with an external capacitor.
直流励磁时间和强制换向时间都由一个外部电容设定。
The duty cycles for DC excitation and forced commutation modes are determined according to the SC pin voltage.
直流励磁和强制换向模式的占空比根据引脚SC 的电压确定。
When the rotational frequency exceeds the forced commutation frequency specified with the status of the FST pins, the operation mode is switched to the sensorless mode.
当转动频率超过FST引脚状态指定的强制换向频率后，运行模式切换到无传感器运行模式。
When the rotational frequency exceeds the forced commutation frequency specified with the status of the FST pins, the operation mode is switched to the sensorless mode.
当转动频率超过FST引脚状态指定的强制换向频率后，运行模式切换到无传感器运行模式。
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