Abstract: This paper proposes a realizable plan for digital power system based on portable equipment on the base of an introduction to the main characters and developing status of digital power. It also presents the hardware and software design of smart battery, smart charger, POL converter and PMBus/SMBus host in detail. Experimental results show that the digital power system has such advantages as high performance target, favorable function of human-machine interaction, flexible control mode, etc. Hence, it possesses a strong practicability and extensive future applications.

Key words: digital power, smart battery, PMBus/SMBus equipment

摘要： 介绍数字电源的主要特点和发展现状，提出一套基于便携式设备的数字电源系统的实现方案，论述了智能电池、智能充电器、负载功率转换器和PMBus/SMBus主机的硬件设计及软件设计。实验结果表明，该数字电源系统具有高性能指标、良好的人机交互功能、控制方式灵活、体积小、效率高、支持在线调试功能等优点，具有较强的实用性和广泛的应用前景。

关键词: 数字电源, 智能电池, PMBus/SMBus设备

CLC Number: 

• TP391