介绍了一种基于PWM技术和AD型单片机的数字电源设计,用单片机实现电源的配置、监控、管理功能和整个电源转换电路的数字化控制,并延伸到系统层面的电源管理。并着重讨论了决定电源性能的PWM稳压电路和电源滤波电路的设计。 A digital power design based on PWM technology and AD type single chip microcomputer is introduced. The single chip microcomputer is used to realize the configuration, monitoring and management functions of the power supply and the digital control of the entire power conversion circuit, and extends to the system level power management. And it mainly discusses the design of PWM regulator circuit and power supply filter circuit that determines the power performance.