基于LTC6803电动汽车电池管理系统的设计  

Design of Battery Management System Based on LTC6803 for Electric Vehicle

作　　者：刘再飞[1] 李立伟[1] 张洪伟[2] 

机构地区：[1]青岛大学自动化工程学院,山东青岛266071 [2]山东电力集团公司物资部,山东济南250001

出　　处：《工业控制计算机》2013年第3期121-122,130,共3页Industrial Control Computer

基　　金：山东省自然科学基金(Y2008F23);山东省科技发展计划(2011GGB01123);863计划(2012AA110407)资助

摘　　要：介绍了一种应用于电动汽车动力电池上新颖的,高可靠性的集中式电池管理系统(BMS,battery management system)的设计方案。方案以32位的STM32单片机和电池专业监测芯片LTC6803为核心,利用开尔文连接来实现单体电池实时精准监测,并采用电池均衡保护和过充过放保护电路来改善动力电池一致性差、过充和过放等诸多问题。通过装车测试表明,此设计具有较高的可靠性、实时性和精准性,并且成本低廉,具有较高的应用价值。This paper introduces novel,high reliable design of the centralized battery management system （BMS,battery management system） that can be applied in the power battery of electric vehicle in the paper.The design uses 32-bit STM32 MCU and professional battery monitoring chip LTC6803 as the core,making use of the Kelvin connection to realize real-time precise monitoring of cells.And the design applies in the balanced battery protection,the overcharge and over discharge protection circuit to solve some problems in a way,such as the bad power battery consistency,overcharge and over-discharge and so on.

关 键 词：电池管理系统 集中式 开尔文连接 均衡保护 

分 类 号：U469.72[机械工程—车辆工程] TM912[交通运输工程—载运工具运用工程]