Switching Power Manager with USB On-The-Go And Overvoltage Protection 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) 20-pin 3mm × 4mm × 0.75mm QFN Package