本文详细介绍了飞思卡尔S12ZVM混合集成芯片在车用BLDC中的应用，其中包括S12ZVM的无传感控制策略及启动过程，同时也详细介绍了反电动势过零点检测方法及策略。通过飞思卡尔S12ZVM单芯片电机控制解决方案，设计师可缩小产品尺寸、降低噪音并提升能效，加快车用BLDC控制器的开发过程-This paper introduces in detail the fly think of Carle S12ZVM hybrid integrated chip used in automotive applications in BLDC, sensorless control strategy and start the process including S12ZVM, also introduces the zero crossing detection method and strategy to counter electromotive force. By faith Carle S12ZVM single chip motor control solution, the designer can reduce product size, reduce the noise and improve the efficiency, speed up the development process of BLDC controller for vehicle