SGM40560A.pdf? 完整過程獨立工作單節(jié)電池充電
?適用于磷酸鐵鋰電池/鋰離子/聚合物鋰離子/鈦酸鋰/
鎳氫二次電池和EDLC海量電容充電
? 3.65V至5.5V可選最大充電電壓
? 高精度安全快速充電
? 4%輸出電壓回退供應(yīng)保持
? 可配合松耦合線圈工作
? 可配合太陽能電池組工作
? 飽和導(dǎo)通充電
? 自動熱限流
? 省電指示模式
? TDFN-2×2-6AL 和 SOIC-8
(Exposed Pad) 綠色封裝
? 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 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
