FEATURES
Bidirectional Switching Regulator Makes Optimal
Use of Limited Power Available from USB Port and
also Provides a 5V Output for USB On-The-Go
n Overvoltage Protection Guards Against Damage
n 180mΩ Internal Ideal Diode Plus Optional External
Ideal Diode Controller Seamlessly Provides Low
Loss PowerPath When Input Power is Limited or
Unavailable
n Instant-On Operation with Discharged Battery
n Full Featured Li-Ion/Polymer Battery Charger
n Bat-Track™ Adaptive Output Control For Efficient
Charging
n 1.2A Max Input Current Limit
n 1.2A Max Charge Current with Thermal Limiting
n Battery Float Voltage: 4.2V (LTC4160), 4.1V
(LTC4160-1)
n Low Battery Powered Quiescent Current (8μA)
n 20-pin 3mm × 4mm × 0.75mm QFN Package