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LTC4070 - Li-Ion/Polymer Shunt Battery Charger

Description

The LTC®4070 allows simple charging of Li-Ion/Polymer batteries from very low current, intermittent or continuous charging sources.

The 450nA to 50mA operating current makes charging possible from previously unusable sources.

Features

  • n Low Operating Current (450nA) n 1% Float Voltage Accuracy Over Full Temperature and Shunt Current Range n 50mA Maximum Internal Shunt Current (500mA with External PFET) n Pin Selectable Float Voltage Options: 4.0V, 4.1V, 4.2V n Ultralow Power Pulsed NTC Float Conditioning for Li-Ion/Polymer Protection n Suitable for Intermittent, Continuous and Very Low Power Charging Sources n Low and High Battery Status Outputs n Simple Low Voltage Load Disconnect.

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Datasheet preview – LTC4070

Datasheet Details

Part number LTC4070
Manufacturer Linear Technology
File Size 464.89 KB
Description Li-Ion/Polymer Shunt Battery Charger
Datasheet download datasheet LTC4070 Datasheet
Additional preview pages of the LTC4070 datasheet.

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Full PDF Text Transcription

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FEATURES n Low Operating Current (450nA) n 1% Float Voltage Accuracy Over Full Temperature and Shunt Current Range n 50mA Maximum Internal Shunt Current (500mA with External PFET) n Pin Selectable Float Voltage Options: 4.0V, 4.1V, 4.2V n Ultralow Power Pulsed NTC Float Conditioning for Li-Ion/Polymer Protection n Suitable for Intermittent, Continuous and Very Low Power Charging Sources n Low and High Battery Status Outputs n Simple Low Voltage Load Disconnect Application n Thermally Enhanced, Low Profile (0.
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