摘  要：文章以基于TMS320LF2812 DSP的电机数字化控制系统为应用平台，阐述了驱动系统及其外围电路硬件设计。详细给出了整流逆变，功率驱动，过压欠压保护，光耦隔离等电路设计，并针对数字化控制给出了特定DSP芯片所需的内部电源转换电路。实验及仿真结果表明该驱动系统工作性能稳定、抗干扰性强，具有很高的应用价值。
关键词：整流滤波；IPM智能模块；DSP

Abstract: Based on the application platform of the DSP controlling systerm of motors,exposited the hardware design of the driving system and power section.It gave rectifier inverter,power driving,over-voltage and under-voltage protection and optocoupler isolation circuits,presented the internal power conversional circuit for DSP chips according to digital control of motors.The experimental result indicate that the driving system has the stable performan high anti-interference,high value.
Key Words: Rectifier filter;IPM;DSP