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bq27200 Datasheet Single Cell Li-ion And Li-pol Battery Gas Gauge

Manufacturer: Texas Instruments

Overview: Not Recommended For New Designs bq27000, bq27200 www.ti.com SLUS556D – SEPTEMBER 2004 – REVISED MARCH 2006 SINGLE CELL Li-Ion AND Li-Pol BATTERY GAS GAUGE IC FOR PORTABLE APPLICATIONS.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The bqJUNIOR™ series are highly accurate stand-alone single-cell Li-Ion and Li-Pol battery capacity monitoring and reporting devices targeted at space-limited, portable applications.

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

Compensations for battery temperature, self-discharge, and discharge rate are applied to the capacity measurments to provide available time-to-empty information across a wide range of operating conditions.

Key Features

  • HDQ (bq27000) or I2C (bq27200) Communication.
  • Reports Accurate Time-to-Empty With Measured Load and Historical Maximum and Standby Loads.
  • Reports Temperature, Voltage, and Current.
  • High Accuracy Charge and Discharge Current Integration with Automatic Offset Calibration.
  • Requires No User Calibration.
  • Programmable Input/Output Port.
  • Internal User EEPROM Configuration Memory.
  • Automatic Capacity Reduction With Age.
  • Sta.

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