随着大功率开关电源的发展,对控制器的要求越来越高,开关电源的数字化和智能化 也将成为未来的发展方向。本文介绍了一种基于DSP 和CPLD 的移相全桥谐振软开关数字控制器,应用于开关电源的数字化智能控制。该数字控制器采用DSP(TMS320LF2407A)作为主控制器芯片,配合CPLD 移相波形死区生成技术,具有功率器件驱动、保护,外部通讯(CAN总线,RS232)和外部设备控制功能,实现了可编程控制、数据通讯、智能化控制等功能,具有很好的应用前景。 关键词:DSP CPLD 数字控制器 Abstract: With the development of Switching Power Supply, the Controller is more and more important in the system design. A DSP and CPLD based Digital Controller is introduced in this paper, which is designed for Phase-shifted Full-bridge and Soft Switch Converter. The system can supply driving and protection to the main circuit, Communication and control of external device. Key words: DSP CPLD Digital controller