基于BQ24703的智能电池充放电系统  

The intelligent battery charge/discharge system based on BQ24703

作　　者：王秀荣[1] 黄伟志[1] 

机构地区：[1]天津工业大学信息与通信工程学院,天津300160

出　　处：《仪器仪表用户》2007年第1期26-27,共2页Instrumentation

摘　　要：BQ24703是TI公司专门为笔记本电脑设计的电池充电控制器和选择器的芯片。它具有动态电源管理(DPM)、利用脉宽调制控制(PWM)充电电流和电压、耗尽电池检测等功能。论文分析讨论了该芯片的性能、原理、参数设置,并对应用中出现的电池电压检测,充电电流设置,印刷电路板设计等问题进行了分析．最后给出了设计的典型电路。The BQ24703 is a chip of battery charge controller and selector tailored for notebook by TI corporation ,It has functions of dynamic power management （DPM）, depleted battery detection and pulse width modulator （PWM） to accurately control battery charge current and voltage, The capability, principle and parameter setting of this chip are discussed in this paper, The problems of battery voltage detection, charge current setting and design of printed circuit board in application are also expounded. The typical circuit is designed in the last of this paper.

关 键 词：BQ24703 充电控制器 DPM PWM 

分 类 号：TM910.6[电气工程—电力电子与电力传动]