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ISL78693 - Automotive Single-Cell LiFePO4 Battery Charger

Features

  • charge current thermal foldback to ensure safe operation when the printed circuit board’s thermal dissipation is limited due to space constraints. Additional features include preconditioning of an over-discharged battery, an NTC thermistor interface for charging the battery in a safe temperature range, and automatic recharge. The device is specified f.

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Datasheet Details

Part number ISL78693
Manufacturer Renesas
File Size 960.40 KB
Description Automotive Single-Cell LiFePO4 Battery Charger
Datasheet download datasheet ISL78693 Datasheet

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Full PDF Text Transcription

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ISL78693 Automotive Single-Cell LiFePO4 Battery Charger The ISL78693 is an integrated single-cell Li-ion or Li-polymer battery charger capable of operating with an input voltage as low as 2.65V (cold crank case). This charger is designed to work with various types of AC adapters or a USB port. The ISL78693 operates as a linear charger when the AC adapter is a voltage source. The battery is charged in a Constant Current/Constant Voltage (CC/CV) profile. The charge current is programmable with an external resistor up to 1A. The ISL78693 can also work with a current-limited adapter to minimize the thermal dissipation. The ISL78693 features charge current thermal foldback to ensure safe operation when the printed circuit board’s thermal dissipation is limited due to space constraints.
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