›› 2013, Vol. 26 ›› Issue (11): 125-.

• 论文 • 上一篇    下一篇

基于BQ77PL900的多节锂电池充放电管理系统

胡国民,周志景   

  1. (1.南京康尼机电股份有限公司 轨道交通事业总部,江苏 南京 210013;2.东南大学 自动化学院,江苏 南京 210096)
  • 出版日期:2013-11-15 发布日期:2013-11-19
  • 作者简介:胡国民(1973—),男,硕士。研究方向:机电系统设计。E-mail:hugm-73@163.com。周志景(1990—),男,硕士研究生。研究方向:嵌入式系统设计。

Multi-cell Lithium Battery Charging Management System Based on BQ77PL900

HU Guomin,ZHOU Zhijing   

  1. (1.Rail Transportation Business Headquarters,Nanjing Kangni Mechanical and Electrical Co.Ltd,Nanjing 210013,China;2.School of Automation,Southeast University,Nanjing 210096,China)
  • Online:2013-11-15 Published:2013-11-19

摘要:

因多节锂电池充放电管理要求严格,如电池电量平衡、过流/短路保护、欠压保护、过温保护等。故针对多节锂电池充放电管理要求,设计了一种基于BQ77PL900的充放电管理系统,采用PIC18LF4520作为核心处理器,并给出了详细的系统软、硬件设计。实验结果表明,该电路能够完成10节电池的充放电管理,达到了预期的设计要求。

关键词: 多节锂电池, BQ77PL900, 电池管理, PIC18LF4520

Abstract:

Multi-cell lithium batteries are widely used in variety of electronic equipments because they can provide high voltage and current.Management for multi-cell lithium battery charging and discharging is quite important which includes cell balancing,over-current/short-circuit protection,over-temperature protection and so on.A new multi-cell lithium battery charging and discharging management based on BQ77PL900 and PIC18LF4520 is put forward in this paper,and the software and hardware design are illustrated in detail.Experiment results demonstrate that this circuit can successfully achieve multi-cell lithium battery charging and discharging.

Key words: multi cell lithium battery;BQ77PL900;battery management;PIC18LF4520

中图分类号: 

  • TM912