对当前无刷电动机在电动车领域的应用做了简单分析,简要介绍了直流无刷电动机 的组成和工作原理,提出设计总体方案,详细阐述了驱动电路组成和调速部分的具体实现方法,并且介绍了电路的过流保护功能。 关键词:直流无刷电动机霍尔位置传感器驱动电路 调速 过流保护 Abstract:Analyze simply to the application of Brushless electromotor in Electric-automobile field.Take a introduction to the composing and principle of Brushless electromotor.Give a designing blue print and the material method of the driving circuit and timing control circuit.Moreover,introduce the function of over-current protection. Key words: Direct current Brushless electromotor Hall position sensor Driving circuit Timing Control Over-current protection