? 完整过程独立工作单节电池充电
?适用于磷酸铁锂电池/锂离子/聚合物锂离子/钛酸锂/
镍氢二次电池和EDLC海量电容充电
? 3.65V至5.5V可选最大充电电压
? 高精度安全快速充电
? 4%输出电压回退供应保持
? 可配合松耦合线圈工作
? 可配合太阳能电池组工作
? 饱和导通充电
? 自动热限流
? 省电指示模式
? TDFN-2×2-6AL 和 SOIC-8
(Exposed Pad) 绿色封装
? Input voltage up-to 30-V tolerant
? Automatic Sleep Mode for low power consumption
350-nA battery leakage current
85-?A input leakage current when chargedisabled
? Supports 1-cell Li-Ion, Li-Poly, and LiFePO4
? External resistor programmable operation
VSET to set battery regulation voltage:
? Li-Ion: 4.05 V, 4.1 V, 4.2 V, 4.35 V, 4.4 V
? LiFePO4: 3.5 V, 3.6 V, 3.7 V
ISET to set charge current from 10 mA to 800mA
? High accuracy
±0.5% charge voltage accuracy
±10% charge current accuracy
? Charging features
Precharge current 20% of ISET
Termination current 10% of ISET
NTC thermistor input to monitor batterytemperature
TS pin for charging function control
Open-drain output for status and fault indication
Open-drain output for power good indication
? Integrated fault protection
6.6-V IN overvoltage protection
VSET based OUT overvoltage protection
1000-mA overcurrent protection
125°C thermal regulation; 150°C
thermalshutdown protection
OUT short-circuit protection
VSET, ISET pins short/open protection









