Pack-Side Single Cell Fuel Gauge with Integrated Protector and Dynamic Z-Track

The Texas Instruments BQ27Z846

Dynamic Z-Trackgas gauge device is a fully integrated and

accurate,1-series cell gas gauge, protection, and authentication option.

The BQ27Z846 gas

gauge communicates through an I2C compatible interface and combines an

ultra-low power RISC processor, high accuracy analog measurement capabilities,

integrated flash memory, high-side NMOS FET drivers, and ECC ECDSA and SHA-2

authentication to provide a complete, high-performance battery management option.