DESCRIPTION
The LTC®4160/LTC4160-1 are high efficiency power management and Li-Ion/Polymer battery charger ICs. They each include a bidirectional switching PowerPath™ controller with automatic load prioritization, a battery charger, and an ideal diode.

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
● Overvoltage Protection Guards Against Damage
● 180mΩ Internal Ideal Diode Plus Optional External Ideal Diode Controller Seamlessly Provides Low Loss PowerPath When Input Power is Limited or Unavailable
● Instant-On Operation with Discharged Battery
● Full Featured Li-Ion/Polymer Battery Charger
● Bat-Track™ Adaptive Output Control For Efficient Charging
● 1.2A Max Input Current Limit
● 1.2A Max Charge Current with Thermal Limiting
● Battery Float Voltage: 4.2V (LTC4160), 4.1V (LTC4160-1)
● Low Battery Powered Quiescent Current (8μA)
● Ultra-Thin (0.55mm) 20-pin 3mm × 4mm QFN Package

APPLICATIONS
● Media Players and Personal Navigation Devices
● Digital Cameras, PDAs, Smart Phones