• Part: bq78z100
  • Description: Gas Gauge
  • Manufacturer: Texas Instruments
  • Size: 1.45 MB
Download bq78z100 Datasheet PDF
Texas Instruments
bq78z100

Description

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.

Key Features

  • 1 High-Accuracy Coulomb Counter with Input Offset Error < 1 µV (Typical)
  • High-Side FET Drive Allows Serial Bus munication During Fault Conditions
  • Analog Front End with Two Independent ADCs – Support for Simultaneous Current and Voltage Sampling
  • Bus munications 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

Applications

  • Portable and Wearable Health Devices