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LTC1730-4.2 - Lithium-Ion Battery Pulse Charger

This page provides the datasheet information for the LTC1730-4.2, a member of the LTC1730-4 Lithium-Ion Battery Pulse Charger family.

Features

  • s Complete Pulse Charger for 1-Cell Lithium-Ion Batteries s Sense Resistor Limits Maximum Current for Safety s 1% Float Voltage Accuracy s End-of-Charge (C/10) Detection Output s Programmable Charge Termination Timer s Internal 0.35Ω NMOS Switch s No Blocking Diode Required s SEL Pin to Set Either 4.1V or 4.2V/Cell (LTC1730-4) s Low-Battery Drain (1µA Max) when Input Supply Is Removed s Battery Temperature Sensing and Charge Qualification s Automatic Trickle Charge for Low-Battery s Automatic Ba.

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Full PDF Text Transcription

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U U FEATURES s Complete Pulse Charger for 1-Cell Lithium-Ion Batteries s Sense Resistor Limits Maximum Current for Safety s 1% Float Voltage Accuracy s End-of-Charge (C/10) Detection Output s Programmable Charge Termination Timer s Internal 0.35Ω NMOS Switch s No Blocking Diode Required s SEL Pin to Set Either 4.1V or 4.2V/Cell (LTC1730-4) s Low-Battery Drain (1µA Max) when Input Supply Is Removed s Battery Temperature Sensing and Charge Qualification s Automatic Trickle Charge for Low-Battery s Automatic Battery Refresh U APPLICATIO S s Standalone Lithium-Ion Battery Charger s Handheld Computers s Cellular Telephones LTC1730-4/LTC1730-4.2 Lithium-Ion Battery Pulse Charger with Overcurrent Protection DESCRIPTIO The LTC®1730 is a complete pulse charger for 1-cell lithium-ion batteries.
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