电动自行车锂电池组保护电路设计  

Design of protection circuit for lithium battery used in electric bicycle

作　　者：许英杰[1] 孙郅佶[2] 李帆[2] 范贤光[2] 

机构地区：[1]厦门大学机电工程训练中心,福建厦门361005 [2]厦门大学机电系,福建厦门361005

出　　处：《现代电子技术》2012年第16期191-194,共4页Modern Electronics Technique

基　　金：国家青年基金项目:脉冲注入式功率型LED热学特性及其检测技术(61102030)

摘　　要：为保证电动自行车锂电池组安全、长寿命的运行,需为其配备专用管理保护电路。为此,针对一款4并10串规格的锂电池组设计了一套保护电路板,采用S-8209A保护芯片,实现了过充电保护、过放电保护、电池充放电平衡、过电流保护、正常带载等功能,已被可靠应用于某款电动自行车的锂电池组中。The lithium battery with superior performance is the development trend of the electric bicycle power,but needs a dedicated protection circuit to work with so as to ensure the safety and long-period operation.In this paper,a protection circuit board including S-8209A was designed for the lithium battery set with 4-parallel and 10-serial connection mode.It achieved the functions of overcharge protection,overdischarge protection,overcharge-overdischarge balance and overcurrent protection.The circuit has been already applied to the electric bikes with the lithium batteries.

关 键 词：锂电池 S-8209A 保护电路 过流保护 

分 类 号：TN709-34[电子电信—电路与系统]