Product details


Number of series cells (Min) 6 Features Cell balancing, Integrated ADC, Multi-cell support, Open-wire detection, Overtemperature protection, Overvoltage protection, Separate MCU requirement, Stackable (built-in interface), Temperature sensing, Undertemperature protection, Undervoltage protection Number of series cells (Max) 16 Operating temperature range (C) -40 to 125 Rating Automotive open-in-new Find other Battery monitors & balancers

Package | Pins | Size

HTQFP (PAP) 64 144 mm² 12 x 12 open-in-new Find other Battery monitors & balancers


  • 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 Cell voltage measurements
    • Documentation available to aid ISO 26262 functional safety system design up to ASIL D on
      • Cell voltage measurements, temperature measurements, communication
    • Documentation available to aid ISO 26262 functional safety system design up to ASIL B on
      • OV, UV, OT, UT Protectors (hardware comparators)
    • Component ASIL/SIL D compliant
  • Pin-package and software compatible device family:
    • Stackable monitor 16S (BQ79616), 14S (BQ79614), and 12S (BQ79612)
    • Standalone monitor 48 V system (BQ75614)
  • Built-in redundancy path for voltage and temperature diagnostics
  • Highly accurate cell voltage measurements within 128 µs for all cell channels
  • Integrated post-ADC configurable digital low-pass filters
  • Supports bus bar connection and measurement
  • Built-in host-controlled hardware reset to emulate POR-like device reset
  • Supports internal cell balancing
    • Balancing current at 240 mA
    • Built-in balancing thermal management with automatic pause and resume control
  • Isolated differential daisy chain communication with optional ring architecture
  • Embedded fault signal and heartbeat through communication line
  • UART Host interface
  • Built-in SPI master

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The BQ7961x-Q1 family of devices provides high-accuracy cell voltage measurements for a minimum of 6S to a maximum of 12S (BQ79612-Q1), 14S (BQ79614-Q1), or 16S (BQ79616-Q1) battery modules in less than 200 µs. The integrated front-end filters enable the system to implement with simple, low voltage rating, differential RC filters on the cell input channels. The integrated, post-ADC, low-pass filters enable filtered, DC-like, voltage measurements for better state of charge (SOC) calculation. This device supports autonomous internal cell balancing with temperature monitoring to auto-pause and resume balancing to avoid an overtemperature condition.

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Sample availability and more information

Full data sheet and other design resources are available. Request now

An evaluation module (EVM) is available. Request now

Preproduction samples are available (PBQ79616PAPTQ1). Request now

Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet BQ7961x-Q1Family of 12S, 14S, 16S Precision Automotive Battery Monitor, Balancer and Integrated Hardware Protector datasheet (Rev. A) Jul. 31, 2020
User guide BQ79616-Q1, BQ75614-Q1, BQ79656-Q1 Evaluation Module User's Guide (Rev. B) Oct. 02, 2020
White paper Functional Safety Considerations in Battery Management for Vehicle Electrificat Sep. 17, 2020
White paper Functional Safety Considerations in Battery Management for Vehicle Electrificati Sep. 17, 2020

Design & development

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