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LTC4085-1 - USB Power Manager

General Description

Consult LTC Marketing for parts specified with wider operating temperature ranges.

Consult LTC Marketing for information on non-standard lead based finish parts.

Key Features

  • USB Power Manager with Ideal Diode Controller and 4.1V Li-Ion Charger.

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Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
LTC4085 USB Power Manager
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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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U U LTC4085-1 FEATURES USB Power Manager with Ideal Diode Controller and 4.1V Li-Ion Charger DESCRIPTIO ■ 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 PowerPathTM 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.