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bq34z100-G1 Datasheet Wide Range Fuel Gauge

Manufacturer: Texas Instruments

Overview: www.ti.com SLUSBZ5D – JANUARY 2015 – REVBBISQQE33D44AZZP11R00IL002--GG02111 SLUSBZ5D – JANUARY 2015 – REVISED APRIL 2021 BQ34Z100-G1 Wide Range Fuel Gauge with Impedance Track™ Technology.

General Description

The BQ34Z100-G1 device is an Impedance Track™ fuel gauge for Li-ion, PbA, NiMH, and NiCd batteries, and works independently of battery seriescell configurations.

Batteries from 3 V to 65 V can be easily supported through an external voltage translation circuit that is controlled automatically to reduce system power consumption.

The BQ34Z100-G1 device provides several interface options, including an I2C slave, an HDQ slave, one or four direct LEDs, and an ALERT output pin.

Key Features

  • Supports Li-ion, LiFePO4, PbA, NiMH, and NiCd chemistries.
  • Capacity estimation using patented Impedance Track™ technology for batteries from 3 V to 65 V.
  • Aging compensation.
  • Self-discharge compensation.
  • Supports battery capacities up to 29 Ah with standard configuration options.
  • Supports charge and discharge currents up to 32 A with standard configuration options.
  • External NTC thermistor support.
  • Supports two-wire I2C and H.

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