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LTC4090 - USB Power Manager

General Description

The LTC®4090/LTC4090-5 are USB power managers plus high voltage Li-Ion/Polymer battery chargers.

The devices control the total current used by the USB peripheral for operation and battery charging.

Key Features

  • n Seamless Transition Between Power Sources: Li-Ion Battery, USB, and 6V to 36V Supply (60V Max) n 2A Output High Voltage Buck Regulator with Bat-Track™ Adaptive Output Control (LTC4090) n Internal 215mW Ideal Diode Plus Optional External Ideal Diode Controller Provides Low Loss PowerPath™ When External Supply/ USB Not Present n Load Dependent Charging from USB Input Guarantees Current Compliance n Full Featured Li-Ion Battery Charger n 1.5A Maximum Charge Current with Thermal Limiting n NTC The.

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Datasheet Details

Part number LTC4090
Manufacturer Linear Technology Corporation
File Size 510.16 KB
Description USB Power Manager
Datasheet download datasheet LTC4090 Datasheet

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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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FEATURES n Seamless Transition Between Power Sources: Li-Ion Battery, USB, and 6V to 36V Supply (60V Max) n 2A Output High Voltage Buck Regulator with Bat-Track™ Adaptive Output Control (LTC4090) n Internal 215mW Ideal Diode Plus Optional External Ideal Diode Controller Provides Low Loss PowerPath™ When External Supply/ USB Not Present n Load Dependent Charging from USB Input Guarantees Current Compliance n Full Featured Li-Ion Battery Charger n 1.5A Maximum Charge Current with Thermal Limiting n NTC Thermistor Input for Temperature Qualified Charging n Tiny (3mm × 6mm × 0.