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LTC4071 - Li-Ion/Polymer Shunt Battery Charger

General Description

The LTC®4071 allows simple charging of Li-Ion/Polymer batteries from very low current, intermittent or continuous charging sources.

A near-zero current low battery latching disconnect function protects even the lowest capacity batteries from deep discharge and potentially irreparable damage.

Key Features

  • n Charger Plus Pack Protection in One IC n Low Operating Current (550nA) n Near Zero Current (.

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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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LTC4071 Li-Ion/Polymer Shunt Battery Charger System with Low Battery Disconnect FEATURES n Charger Plus Pack Protection in One IC n Low Operating Current (550nA) n Near Zero Current (<0.1nA) Low Battery Disconnect Function to Protect Batteries from Over-Discharge n Pin Selectable Low Battery Disconnect Level: 2.7V or 3.2V n 1% Float Voltage Accuracy Over Temperature n 50mA Maximum Internal Shunt Current 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 High Battery Status Output n Thermally Enhanced, Low Profile (0.