Input voltage up to 30V tolerant
Automatic sleep mode for low power consumption
350nA battery leakage current
85μA input leakage current when the charge is disabled
Supports 1-cell Li-Ion, Li-Poly, and_LiFePO4
External resistor programmable operation
VSET to set battery regulation voltage:
Li-Ion: 4.05V, 4.1V, 4.2V, 4.35V, 4.4V
LiFePO4: 3.5V, 3.6V, 3.7V
ISET to set charge current from 10mA 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 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
6.6V IN overvoltage protection
VSET based OUT overvoltage protection
1000mA overcurrent protection
125°C thermal regulation;_150°C thermal shutdown protection
OUT short-circuit protection
VSET, ISET pins short/open protection