基于单片机控制的输出连续可调开关电源的设计  

Design of Switching Mode Power Supply with Continuous and Adjustable Output Controlled by Single Chip Micro-Computer

作　　者：陈念军[1] 胡荣强[1] 柏俊杰[1] 

机构地区：[1]武汉理工大学自动化学院,武汉430070

出　　处：《电气应用》2006年第4期116-118,共3页Electrotechnical Application

摘　　要：首先介绍基于单片机控制的输出连续可调开关电源的基本原理,并在此基础上详细介绍这种开关电源的硬件系统结构、软件设计流程和控制算法,以及采用软件的方法实现PWM和PFM调节,从而使系统的电压输出连续可调。Firstly the principle of switching mode power supply with continuous and adjustable output controlled by single chip icroomputer is introduced, the structure of hardware system, software flow and control arithmetic then are introduced in detail, and the continuous and adjustable output controlled by PWM ＆ PFM in the software method is achieve.

关 键 词：单片机 开关电源 PWM PFM 

分 类 号：TN86[电子电信—信息与通信工程] TP273[自动化与计算机技术—检测技术与自动化装置]