Texas Instruments BQ20Z80A-V110 SBS 1.1 Compliant Gas Gauge Enabled with Impedance Track Technology for use with the bq29312A BQ20Z80ADBT-V110

The BQ20Z80ADBT-V110 is a gas gauge integrated circuit designed for battery management in lithium-ion and lithium-polymer applications. It utilizes patented Impedance Track,Ñ¢ technology to provide accurate measurements of available charge with an error margin of better than 1% over the battery's lifetime. The device operates without requiring a learning cycle, ensuring instant accuracy. It is compliant with the Smart Battery Specification (SBS) version 1.1 and integrates seamlessly with the TI bq29312A analog front-end protection IC, offering a comprehensive solution for battery pack electronics. This IC features a built-in time base, eliminating the need for an external crystal, and supports various battery pack voltages (7.2V, 10.8V, or 14.4V) with minimal external components. It includes a high-resolution, 16-bit delta-sigma converter for precise charge flow measurements and offers extensive data reporting options, including lifetime data logging. The device operates within a temperature range of -40¬8C to 85¬8C and is packaged in a 38-pin TSSOP format. It is suitable for applications in notebook PCs, medical equipment, and portable instrumentation.