SLVSJM4 August   2025 BQ79718B-Q1

PRODUCTION DATA  

  1.   1
  2. 1Features
  3. 2Applications
  4. 3Description
  5. 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
  6. 5Mechanical, Packaging, and Orderable Information
    1. 5.1 Package Option Addendum
    2. 5.2 Tape and Reel Information
    3. 5.3 Mechanical Data

1 Features

  • 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 C1
  • Functional Safety-Compliant
  • Measure 9 to 18 batteries in series per device, stackable up to 64 devices
  • Dedicated ADC with typical ±1mV accuracy
  • Cell voltage and battery pack current measurement synchronized to 64μs
  • Support limp home mode with full redundancy
  • Integrated post-ADC configurable digital low-pass filters
  • Supports busbar without affecting measurement accuracy
  • 12 GPIOs for temp sensor/analog/digital/I2C controller/SPI controller
  • Internal cell balancing
    • Balancing at 300mA
    • User controlled PWM adjustment cell balancing current
    • Built-in balancing thermal management with automatic pause and resume control
  • Robust daisy chain communication and support Ring Architecture
  • Hardware reset by host simulates POR-like event without battery removal
  • Support transformer and capacitive isolation
  • On chip memory for one time custom programming
  • Low power mode current <6μA
  • Compatible with BQ79600-Q1 with SPI/UART interface