嵌入式设备电源管理系统设计  

Power management system design of embedded devices

作　　者：刘志英[1] 郭晓澎 周晓旭[1] 杨莹[1] 

机构地区：[1]山西省交通科学研究院信息机电技术研究所,太原030006

出　　处：《电子测量技术》2016年第5期105-109,共5页Electronic Measurement Technology

摘　　要：随着嵌入式设备在测量领域的大量应用,如何在无固定电源的情况下为其提供稳定可靠的电源己成为嵌入式设备发展亟待解决的问题。鉴于此,设计出一种续航时间长、体积小、性能稳定、通用性强的电源管理系统。首先介绍了基于单片机STC12C2052AD的电源管理系统硬件设计框架。然后以设计框架为基础,分析了系统硬件各个子模块的工作原理及其实现方法。最后,阐述了系统的软件实现流程,并对系统进行了测试。经测试证明,所设计的嵌入式设备电源管理系统满足设计的需求,为系统设计提供了良好的解决方案。With the wide application of embedded devices in the field of measurement,how to ensure the stable and reliable power supply of the measuring instruments in the absence of a fixed power has become a pressing problem in development of embedded devices.Given this issue,this paper proposes a long battery life,small size,stable performance,strong commonality of power management system.Firstly the power management system based on MCU STC12C2052 AD hardware design framework is introduced.Then based on this design framework,the working principle of each module and its implementation method is analyzed.Finally,the software implementation process of the system is presented and the system test is conducted.The test results indicate that the design of this embedded devices of power management system could satisfy the design requirements and provide a good solution for the system design.

关 键 词：单片机 电源管理 锂电池 电源切换 

分 类 号：TP23[自动化与计算机技术—检测技术与自动化装置]