The application of the technology of back EMF induction in BLDC are analyzed by introducing the IC ML4428. The calculation formulas of some important parameters are shown behind.

通过对ML4428的介绍，分析了反电势感应技术在无刷直流电机中的应用，并给出了其中一些重要参数的计算方法。

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The technique of back EMF induction in BLDC motor is analyzed, the "virtual neutral point" method and the technique of "3-step" start are introduced.

主要分析了反电动势感应方法，并阐述了虚拟中点法和三段式起动技术。

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