特点:
可以用USB口或交流适配器对单节锂电池充电
片内功率晶体管
不需要外部阻流二极管和电流检测电阻
输出电压 4.2V,精度可达 1%
在电池电压较低时采用小电流的预充电模式
用户可编程的持续充电电流可达 500mA
采用恒流/恒压充电模式
电源电压掉电时自动进入低功耗的睡眠模式
状态指示输出可驱动LED或与单片机接口
电池温度监测功能
芯片使能输入端
封装形式SOP8和MSOP8
产品无铅化
应用:
移动电话
电子词典
数码相机
MP3 播放器
蓝牙应用
各种充电器
Features:
Charges Single Cell Li-Ion Batteries Directly
from USB Port or AC Adaptor
On-chip Power MOSFET
No external Blocking Diode or Current Sense
Resistors Required
Preset 4.2V Regulation Voltage with 1%
Accuracy
Precharge Conditioning for Reviving Deeply
Discharged Cells and Minimizing Heat
Dissipation During Initial Stage of Charge
Continuous Programmable Charge Current Up
to 500mA
Constant-Current/Constant-Voltage Operation
with Thermal Regulation to Maximize Charge
Rate Without Risk of Overheating
Automatic Low-Power Sleep Mode When Input
Supply Voltage is Removed
Status Indication for LEDs or uP Interface
C/10 Charge Termination
Automatic Recharge
Battery Temperature Sensing
Chip Enable Input
Available in SOP8 Package
Pb-free Available
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