SGM40560A.pdf• 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-µA input leakage current when charge disabled
• 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 800 mA
• 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 battery temperature
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
thermal shutdown protection
OUT short-circuit protection
VSET, ISET pins short/open protection
