SLUSF55 December   2022 BQ79731-Q1

ADVMIX  

  1. 1Features
  2. 2Applications
  3. 3Description
  4. 4Device and Documentation Support
    1. 4.1 Device Support
      1. 4.1.1 Third-Party Products Disclaimer
    2. 4.2 Documentation Support
      1. 4.2.1 Related Documentation
    3. 4.3 Receiving Notification of Documentation Updates
    4. 4.4 Support Resources
    5. 4.5 Trademarks
    6. 4.6 Electrostatic Discharge Caution
    7. 4.7 Glossary
  5. 5Mechanical, Packaging, and Orderable Information
    1. 5.1 Package Option Addendum
    2. 5.2 Tape and Reel Information
    3. 5.3 Tray Information
    4. 5.4 Tube Information
    5. 5.5 Mechanical Data

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Features

  • AEC-Q100 qualified –40°C to +125°C
  • Functional safety - compliant targeted
    • Documentation to aid ISO 26262 system design
    • Systematic capability up to ASIL D targeted
    • Hardware capability up to ASIL D targeted
  • 17 single-ended voltage channels
    • High voltage pack, link, charge measurement accuracy <0.2%
    • Pack and cell VI sync to 64uS
  • 2 independent current sense ADCs (BQ79731-Q1)
    • ±0.05% gain error drift
    • Input range = ±275 mV
  • 2 Over current detect comparators (BQ79731-Q1)
    • ±1% accuracy
    • Selectable bi-directional thresholds
    • Programmable OC
  • Integrated Coulomb counting (BQ79731-Q1)
  • 15 GPIO inputs as IO, I2C, SPI, ADC and temp sense
  • Dedicated MOSFET switch drive pins
  • Intelligent SPI contoller HUB
    • Support multiple SPI peripheral devices
    • HW pin to trigger contactor drivers and Pyro Fuse drivers
  • Stackable and register map compatible with with cell monitors like the 18S (BQ79718)