Analog Devices Inc.

USB Power Manager with Ideal Diode Controller and 4.1V Li-Ion Charger Features: Seamless Transition Between Input Power Sources: Li-Ion Battery, USB and 5V Wall Adapter 215mΩ Internal Ideal Diode Plus Optional External Ideal Diode Controller Provide Low Loss PowerPath™ When Wall Adapter/USB Input Not Present 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

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