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bq2052 - Gas Gauge

Description

The bq2052 Lithium Primary Gas Gauge IC is intended for battery-pack or in-system installation to maintain an accurate record of available battery capacity.

The IC monitors a voltage drop across a sense resistor connected in series with the cells to determine discharge activity of the battery.

Features

  • Accurate measurement of available capacity in Lithium primary batteries such as Lithium Sulphur Dioxide and Lithium Manganese Dioxide.
  • Provides a low-cost battery monitor solution for pack integration - Complete circuit can fit less than 1 square inch of PCB space - Low operating current - Less than 100nA of data retention current.
  • Single-wire communication interface (HDQ bus) for critical battery parameters.
  • Communicates remaining capacity with direct drive.

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Datasheet Details

Part number bq2052
Manufacturer Benchmarq
File Size 284.96 KB
Description Gas Gauge
Datasheet download datasheet bq2052 Datasheet

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Full PDF Text Transcription

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Preliminary bq2052 Features ➤ Accurate measurement of available capacity in Lithium primary batteries such as Lithium Sulphur Dioxide and Lithium Manganese Dioxide ➤ Provides a low-cost battery monitor solution for pack integration - Complete circuit can fit less than 1 square inch of PCB space - Low operating current - Less than 100nA of data retention current ➤ Single-wire communication interface (HDQ bus) for critical battery parameters ➤ Communicates remaining capacity with direct drive of LEDs in 3 selectable modes ➤ Measurements automatically compensated for discharge rate and temperature ➤ 16-pin narrow SOIC Gas Gauge IC for Lithium Primary Cells General Description The bq2052 Lithium Primary Gas Gauge IC is intended for battery-pack or in-system installation to maintain an accur
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