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bq2040 - Gas Gauge

Description

The bq2040 Gas Gauge IC With SMBus Interface is intended for battery-pack or in-system installation to maintain an accurate record of available battery charge.

The bq2040 directly supports capacity monitoring for NiCd, NiMH, and LiIon battery chemistries.

Features

  • ® Provides accurate measurement of available charge in NiCd, NiMH, and Li-Ion batteries ® Supports SBS v1.0 data set and two-wire interface ® Monitors charge FET in Li-Ion pack protection circuit ® Designed for battery pack integration - Low operating current - Complete circuit can fit on less than ¾ square inch of PCB space ® Supports SBS charge control commands for NiCd, NiMH, and Li-Ion ® Drives a four-segment LED display for remaining capacity indication ® 16-pin narrow SOIC General Descrip.

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Datasheet preview – bq2040

Datasheet Details

Part number bq2040
Manufacturer Benchmarq
File Size 859.21 KB
Description Gas Gauge
Datasheet download datasheet bq2040 Datasheet
Additional preview pages of the bq2040 datasheet.

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Full PDF Text Transcription

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bq2040 Gas Gauge IC With SMBus Interface Features ® Provides accurate measurement of available charge in NiCd, NiMH, and Li-Ion batteries ® Supports SBS v1.0 data set and two-wire interface ® Monitors charge FET in Li-Ion pack protection circuit ® Designed for battery pack integration - Low operating current - Complete circuit can fit on less than ¾ square inch of PCB space ® Supports SBS charge control commands for NiCd, NiMH, and Li-Ion ® Drives a four-segment LED display for remaining capacity indication ® 16-pin narrow SOIC General Description The bq2040 Gas Gauge IC With SMBus Interface is intended for battery-pack or in-system installation to maintain an accurate record of available battery charge.
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