The bq78z100 device provides a fully integrated pack-based solution with a flash programmable custom reduced instruction-set CPU (RISC), safety protection, and authentication for 1-series to 2-series cell Li-Ion and Li-Polymer battery packs.
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bq78z100
SLUSC23 – SEPTEMBER 2015
bq78z100 Impedance Track™ Gas Gauge for 1-Series to 2-Series Li-Ion/Li-Polymer Battery Packs
Check for Samples: bq78z100
1 Features
•1 High-Accuracy Coulomb Counter with Input Offset Error < 1 µV (Typical)
• High-Side FET Drive Allows Serial Bus Communication During Fault Conditions
• Analog Front End with Two Independent ADCs – Support for Simultaneous Current and Voltage Sampling
• Bus Communications Interface Options – I2C – HDQ
• SHA-1 Hash Message Authentication Code (HMAC) Responder for Increased Battery Pack Security – Split Key (2 × 64) Stored in Secure Memory
• Programmable Protection Levels for: – Overcurrent in Discharge – Short-Circuit Current in Charge –
bq78z100 Datasheet
