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bq2052 Datasheet Gas Gauge

Manufacturer: Benchmarq

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Datasheet Details

Part number bq2052
Manufacturer Benchmarq
File Size 284.96 KB
Description Gas Gauge
Download bq2052 Download (PDF)

General 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.

The bq2052 applies compensations for battery temperature and discharge rate to the available charge counter to provide available capacity information across a wide range of operating conditions.

Overview

Preliminary bq2052.

Key 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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