本文介绍了基于Cygnal C8051F020 单片机为主控单元的智能电源管理系统,详细阐 述了该系统的工作原理、控制策略及其硬件、软件实现。本系统具有配置灵活、可扩展性强等特点,适用于便携式设备和无人值守设备的电源管理。 关键词:电源管理; CYGNAL 单片机;电量监测 The Design of Intelligent Power Management System Based on Cygnal SCM (ShangHai JiaoTong University)Zhang Jian, Zeng Yi, Li Lixue Abstract: The paper describes an intelligent power management system using Cygnal C8051F020 as the core microcontroller. The function principle, control policy, hardware structure and software design are given in detail. The project of this system has characteristics such as flexibility and expansibility, which makes it adapt to be used in portable electronic device. Key words: intelligent power management; CYGNAL SCM; power detective