摘要
本文介绍专为笔记本电脑电池组设计的充电控制器bq24700,采用该控制芯片的充电器,可对锂离子电池、镍氢/镍镉等多种电池组充电。bq24700的动态充电管理功能,在最短时间内完成充电。该芯片可以自动切换交流适配器或电池组供电。该器件还具有完善的保护功能。
bq24700 is a highly integrated battery charge controller and selector tailored for the notebook and sub-notebook PC applications. The chip is designed for charge management of NiCd/NiMH and Li-ion battery packs. The bq24700 uses Dynamic Power Management to minimize battery charge time by maximizing use of available wall-adapter power. The selector function allows the manual and automatic selection of the system power source.
出处
《电源世界》
2004年第2期11-15,共5页
The World of Power Supply
关键词
笔记本电脑
电池充电控制器
控制芯片
充电器
交流适配器
dynamic power management
buck converter
manual/automatic switch
over discharge protection