电源管理芯片在锂电池线性充电器中的控制策略研究  

Research on Control Strategy of Power Management Chip in Linear Charger of Lithium Battery

作　　者：魏浩然 WEI Haoran(Di’ao Wei(Shanghai)Electronic Technology Co.,Ltd.,Shanghai 200050,China)

机构地区：[1]帝奥微(上海)电子科技有限公司,上海200050

出　　处：《通信电源技术》2025年第2期140-142,共3页Telecom Power Technology

摘　　要：锂电池线性充电器因结构简单、成本低,广泛应用于消费电子、物联网终端等领域,但其在静态功耗、路径切换效率及输入源兼容性方面存在技术挑战。电源管理芯片是控制充电过程、保障系统稳定性及能效的关键器件。文章围绕锂电池线性充电器的核心问题展开研究,从低静态电流设计、电源路径管理功能、多输入源快充兼容性3方面进行深入分析与优化,提出有效的控制策略,以提升系统充电效率、运行稳定性及多场景适应能力。Lithium battery linear charger is widely used in consumer electronics,Internet of Things terminals and other fields because of its simple structure and low cost,but it has technical challenges in static power consumption,path switching efficiency and input source compatibility.Power management chip is the key device to control the charging process and ensure the stability and energy efficiency of the system.Focusing on the core issues of linear charger for lithium battery,this paper makes in-depth analysis and optimization from three aspects:low static current design,power path management function and multi-input source fast charging compatibility,and puts forward effective control strategies to improve the charging efficiency,operational stability and multi-scenario adaptability of the system.

关 键 词：电源管理芯片 锂电池线性充电器 快充兼容性优化 

分 类 号：TM9[电气工程—电力电子与电力传动]