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LTC4085 - USB Power Manager

General Description

n Seamless Transition Between Input Power Sources: Li-Ion Battery, USB and 5V Wall Adapter n 215mΩ Internal Ideal Diode Plus Optional External Ideal Diode Controller Provide Low Loss PowerPath™ When Wall Adapter/USB Input Not Present n Load Dependent Charging Guarantees Accurate USB Input Current C

Key Features

  • USB Power Manager with Ideal Diode Controller and Li-Ion Charger.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LTC4085 FEATURES USB Power Manager with Ideal Diode Controller and Li-Ion Charger DESCRIPTION n Seamless Transition Between Input Power Sources: Li-Ion Battery, USB and 5V Wall Adapter n 215mΩ Internal Ideal Diode Plus Optional External Ideal Diode Controller Provide Low Loss PowerPath™ When Wall Adapter/USB Input Not Present n Load Dependent Charging Guarantees Accurate USB Input Current Compliance n Constant-Current/Constant-Voltage Operation with Thermal Feedback to Maximize Charging Rate Without Risk of Overheating* n Selectable 100% or 20% Input Current Limit (e.g., 500mA/100mA) n Battery Charge Current Independently Programmable Up to 1.2A n Preset 4.2V Charge Voltage with 0.