bq40Z80 Battery Pack Manager

Texas Instruments bq40Z80 Battery Pack Manager is a fully integrated, single-chip, pack-based solution that provides an array of features for gas gauging, protection, and authentication for 2-series up to 7-series cell Li-Ion and Li-Polymer battery packs. The bq40Z80 incorporates patented Impedance Track™ technology and utilizes Elliptic Curve Cryptography (ECC) or SHA-1 authentication with secure memory for authentication keys, enabling identification of genuine battery packs.