摘要
依靠电池供电的便携式生物机能实验设备在使用过程中经常要对电池进行检测,判断电池的工作状态,排除因电池故障引起的数据错误采集。在介绍电池监测芯片BQ26500、实时充电芯片BQ2057C的主要特性、内部结构以及工作原理的基础上,采用此两种器件和MSP430单片机设计了便携式生物机能实验设备电源监测与实时充电系统。给出了典型应用电路、软件设计方法以及系统测试实验分析结果。通过测试实验证明本系统可以实现对电池进行动态监测与实时充电的功能。
It is very necessary to monitor the capacity of battery in the use of portable bio-functional experimental devices,excluded data-errors caused by battery failure. This paper introduced the main features, internal structure, and working principle of BQ26500 chip and BQ2057C chip. Using these two chips and MSP430 microcontroller, the battery monitoring and real-time charging system in portable bio-functional experimental devices was designed.： The typical application circuit, software design method and system testing results were introduced. Experimental results showed that this system can detecte battery state and real-time charge for portable bio-functional experimental devices.
出处
《现代科学仪器》
2009年第6期14-18,共5页
Modern Scientific Instruments
基金
国家自然科学基金(NO.30973961/C191002)
