摘要
该文介绍了LTC6802-1芯片在锂电池组均衡电路中的应用,设计的均衡电路以电池电压为均衡判据,利用LTC6802-1芯片采集电压、温度,Atm ega16L单片机通过SPI方式读取电池组的电压和温度值,并进行相应均衡管理和电池组保护。实验数据表明,LTC6802-1芯片具有电压温度数据采集精确、工作可靠等优点。
This paper introduces a battery stack equilibrium circuit which applies LTC6802-1 as data acquisition module.Core of this circuit is Atmel＇s high-performance microprocessor Atmega16L,which obtains the parameters from LTC6802-1 through SPI communication channel,after certain calculation Atmega16 selects the cell must has its charge levels adjusted on the basis of cell voltage.The mean to equalizing cell voltage is depleting charge with a resistor control by LTC6802.Test data show LTC6802＇s high integration and accuracy characteristics.
基金
国家自然科学基金资助项目(60871088)
关键词
均衡电路
单片机
数据采集
串行同步通信
equilibrium circuit
microprocessor
data acquisition
SPI communication
