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LTC4090-3 - USB Power Manager

Datasheet Summary

Description

The LTC®4090-3 is a USB power manager plus high voltage Li-Ion/Polymer battery charger.

The device controls the total current used by the USB peripheral for operation and battery charging.

Features

  • nn Seamless Transition Between Power Sources: Li-Ion Battery, USB, and 6V to 36V Supply (60V Max) nn 2A Output High Voltage Buck Regulator with Bat-Track™ Adaptive Output Control nn 3.95V Float Voltage Improves Battery Life Span and High Temperature Safety Margin nn Internal 215mΩ Ideal Diode Plus Optional External Ideal Diode Controller Provides Low Loss PowerPath™ When External Supply/ USB Not Present nn Load Dependent Charging from USB Input Guarantees Current Compliance nn Full Featured Li-I.

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Datasheet preview – LTC4090-3

Datasheet Details

Part number LTC4090-3
Manufacturer Linear Technology
File Size 522.33 KB
Description USB Power Manager
Datasheet download datasheet LTC4090-3 Datasheet
Additional preview pages of the LTC4090-3 datasheet.

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Full PDF Text Transcription

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FEATURES nn Seamless Transition Between Power Sources: Li-Ion Battery, USB, and 6V to 36V Supply (60V Max) nn 2A Output High Voltage Buck Regulator with Bat-Track™ Adaptive Output Control nn 3.95V Float Voltage Improves Battery Life Span and High Temperature Safety Margin nn Internal 215mΩ Ideal Diode Plus Optional External Ideal Diode Controller Provides Low Loss PowerPath™ When External Supply/ USB Not Present nn Load Dependent Charging from USB Input Guarantees Current Compliance nn Full Featured Li-Ion Battery Charger nn 1.5A Maximum Charge Current with Thermal Limiting nn NTC Thermistor Input for Temperature Qualified Charging nn Tiny (3mm × 6mm × 0.
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