用太阳能电池供电的锂电池充电管理集成电路的设计-能源专业知识.PDF

中国集成电路 设计 CIC China lntegrated Circult 用太阳能电池供电的 锂电池充电管理集成电路的设计* 程莉莉，赵建龙，熊勇，纪虹，张为，郑殷 （中国科学院上海微系统与信息技术研究所，上海 200050） 摘要：本课题研发成功了一款具有自主知识产权的集成电路芯片，该集成电路主要用于使用太阳能电池 为锂电池充电的领域。其主要功能包括：利用太阳能电池对锂电池进行恒流/ 恒压充电；充电的过程中 实时监测电池的温度，监测输入/ 输出电压，以保证安全有效的对电池充电；充电状态自动控制功能；芯 片温度调制电路；根据太阳能电池的输出电流能力自动调整充电电流的功能。该芯片还具有集成度高， 应用电路简单等优点。 关键词：锂电池；充电管理集成电路；太阳能电池供电 A Li-ion Cell Charge Management IC Powered by Solar Cells CHENG Li-li, ZHAO Jian-long, XIONG Yong, JI Hong, ZHANG Wei, ZHENG Yin （ Shanghai Institute of Micro-system and Information Technology, ， ） Chinese Academy of Science, Shanghai 200050 China A chip with independent intellectual property rights was developed. It can be used for charging Li-ion cells Abstract ： with power supply from solar cells. The main function of this chip includes: charging the Li-ion cells by constant-current or constant-voltage mode with solar cells ’supply; monitoring the real-time temperature of the Li-ion cells and the input/output voltages to guarantee charging the cells securely and efficiently; automatic control of the charging states; chip temperature control circuits; automatic adjusting of charging current according to solar cell ’s driving capability. This chip is a high density ASIC that only requires a small number of exernal components. Keywords: Li-ion Cell; Charge Management IC; Solar Cell Powered *本课题得到上海市科委集成电路设计专项（项目编号：08706200200）的资助。 48 （总第133 期） 2010 ·6 · http：// 中国集成电路 CIC