一种多模式高稳定性锂电池充电芯片的设计  

Design of a Multi-Mode and High Stability Charger for Li-Ion Battery

作　　者：金会针[1] 姜岩峰[1] 

机构地区：[1]北方工业大学信息工程学院微电子系,北京100144

出　　处：《微电子学》2011年第1期86-89,共4页Microelectronics

摘　　要：对具有涓流、恒流和恒压等多模式充电锂电池线性充电器进行研究,提出了新型的恒流、恒压充电电路;对充电环路的稳定性进行研究,利用新型电路结构提高环路稳定性;最后,基于CSMC 0.5μm混合CMOS工艺,对整个芯片进行实现。后仿真结果表明,芯片具有高精度、高稳定性的特点。A linear charger with trickle,constant current and constant voltage modes for Li-ion battery was stu-died.A novel constant-current and constant-voltage charging circuit was proposed.The stability of charging loop was improved by using the novel circuit.The charger IC was implemented based on CSMC＇s 0.5 μm mix-signal CMOS technology.Results from post-simulation showed that the proposed charger IC featured high resolution and high stability.

关 键 词：线性充电器 锂电池 集成电路 

分 类 号：TN432[电子电信—微电子学与固体电子学]