LTC4085-1 Overview
Key Features
- Seamless Transition Between Input Power Sources: Li-Ion Battery, USB and 5V Wall Adapter
- Load Dependent Charging Guarantees Accurate USB Input Current Compliance
- 4.1V Float Voltage Improves Battery Life Span and High Temperature Safety Margin
- Constant-Current/Constant-Voltage Operation with Thermal Feedback to Maximize Charging Rate Without Risk of Overheating*
- Selectable 100% or 20% Input Current Limit (e.g., 500mA/100mA)
- Battery Charge Current Independently Programmable Up to 1.2A
- Preset 4.1V Charge Voltage with 0.8% Accuracy
- C/10 Charge Current Detection Output
- Tiny (4mm × 3mm × 0.75mm) 14-Lead DFN Package U APPLICATIO S