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TI’s battery fuel (gas) gauge ICs accurately measure battery current, voltage and temperature to find state-of-charge. Patented Impedance Track™ technology allows the gauge to calculate remaining battery capacity without modeling or learning and provide 99% accuracy in reporting. Protection and authentication solutions are also available.

Use the parametric search table to find battery fuel gauge parts, download datasheets and application notes, and order samples or evaluation modules.

Battery quick search tool - Battery Fuel Gauge

BQ27742-G1 : bq27742-G1 Single Cell Li-Ion Battery Fuel Gauge With Integrated Protection

BQ27411-G1 : Pack-Side Impedance Track™ Fuel Gauge | Battery Gas Gauge

BQ40Z50 : 1-4 Series Li-Ion Battery Pack Manager