SLUSER7 December   2021 BQ79631-Q1

PRODUCTION DATA  

  1. 1Features
  2. 2Applications
  3. 3Description
  4. 4Description (continued)
  5. 5Device and Documentation Support
    1. 5.1 Device Support
      1. 5.1.1 Third-Party Products Disclaimer
    2. 5.2 Receiving Notification of Documentation Updates
    3. 5.3 Support Resources
    4. 5.4 Trademarks
    5. 5.5 Electrostatic Discharge Caution
    6. 5.6 Glossary
  6. 6Mechanical, Packaging, and Orderable Information

Package Options

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

1 Features

  • Qualified for automotive applications
  • AEC-Q100 Qualified with the following results:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature range
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
  • Functional Safety-Compliant
    • Developed for functional safety applications
    • Documentation to aid ISO 26262 system design
    • Systematic capability up to ASIL D
    • Hardware capability up to ASIL D
  • Differential voltage measurements with integrated filtering
    • Pack+ , Fuse, Link±, Charge± measure
    • Isolation resistance voltage measurement
  • Integrated precision current measurement
    • Support low-side shunt resistor
  • Insulation resistance monitoring capability
  • 8 GPIO inputs as IO, SPI, ADC, and temperature sense
  • Isolated differential daisy-chain communication with optional ring architecture
    • Simplifies BJB/BDU system by eliminating safety MCU, CAN transceivers, and multi-wire interface
  • UART host interface
  • Synchronized current and voltage measurements
  • Stackable as well as syncs with other cell and UI monitors 16S (BQ79616-Q1, BQ79656-Q1), 14S (BQ79614-Q1, BQ79654-Q1), 12S (BQ79612-Q1, BQ79652-Q1) and BQ79631
  • Built-in SPI master