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SC803 - Fully Integrated High Current Lithium-Ion Battery Charger System

Datasheet Summary

Description

The SC803 is a fully integrated, single cell, constant-current constant-voltage Lithium-Ion battery charger management system.

The SC803 has built in intelligence and extreme functionality.

Features

  • ‹ Fully integrated charger with FET pass transistor, reverse-blocking diode, sense resistor and thermal protection ‹ Complete voltage ranges of 4.1V, 4.2V & adjustable ‹ Programmable precharge, fastcharge & termination current ‹ Battery voltage controlled to 1% accuracy ‹ Soft-start for step load and adaptor plug-in ‹ Up to 1.5A continuous charge current ‹ Charge current monitor output from microcontroller or ADC Interface The part also features current termination, ending the charge cycle when.

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Datasheet preview – SC803

Datasheet Details

Part number SC803
Manufacturer Semtech Corporation
File Size 0.95 MB
Description Fully Integrated High Current Lithium-Ion Battery Charger System
Datasheet download datasheet SC803 Datasheet
Additional preview pages of the SC803 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com Fully Integrated High Current Lithium-Ion Battery Charger System POWER MANAGEMENT Description The SC803 is a fully integrated, single cell, constant-current constant-voltage Lithium-Ion battery charger management system. The SC803 has built in intelligence and extreme functionality. When the battery voltage is below 2.8V the charger operates in a pre-charge mode with a charging current of up to 125mA based on the ITERM pin resistor. This pre-charge mode is set to limit power dissipation due to an undercharged battery. When the battery voltage exceeds 2.8V, the charger enters a fast charge mode. In this mode, the SC803 delivers up to 1.5A to the battery based on the IPRGM pin resistor.
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