LTC4085-4 Overview
Seamless Transition Between Input Power Sources: All other trademarks are the property of their respective owners. Patents, including 6522118, 6700364.
LTC4085-4 Key Features
- Seamless Transition Between Input Power Sources: Li-Ion/Polymer Battery, USB and 5V Wall Adapter
- 215mΩ Internal Ideal Diode Plus Optional External Ideal Diode Controller Provide Low Loss PowerPath™ When Wall Adapter/U
- Load Dependent Charging Guarantees Accurate USB Input Current pliance
- 3.95V 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
- Automatic Output Undervoltage Charge Current Reduction (LTC4085-3)
- Tiny (4mm × 3mm × 0.75mm) 14-Lead DFN Package