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电池监测器和平衡器

BQ79616H-Q1

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符合 ASIL-D 标准的汽车级 16 节串联精密电池监测器、平衡器和集成保护器

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BQ79616H-Q1

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产品详情

Rating Automotive Number of series cells (max) 16 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 Vin (max) (V) 80 Communication interface Daisy chain, SPI controller, UART Device type Cell monitor and balancer Operating temperature range (°C) -40 to 125 Battery overvoltage protection (min) (V) 2.7 Battery overvoltage protection (max) (V) 4.5 Operating current (typ) (µA) 9000
Rating Automotive Number of series cells (max) 16 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 Vin (max) (V) 80 Communication interface Daisy chain, SPI controller, UART Device type Cell monitor and balancer Operating temperature range (°C) -40 to 125 Battery overvoltage protection (min) (V) 2.7 Battery overvoltage protection (max) (V) 4.5 Operating current (typ) (µA) 9000
HTQFP (PAP) 64 144 mm² 12 x 12
  • 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
  • +/- 1.5mV ADC accuracy
  • Pin-package and software compatible device family:
    • Stackable monitor 16S (BQ79616-Q1, BQ79616H-Q1, BQ79656-Q1), 14S (BQ79614-Q1, BQ79654-Q1), and 12S (BQ79612-Q1, BQ79652-Q1)
    • Standalone monitor 48V system (BQ75614-Q1)
  • Built-in redundancy path for voltage and temperature diagnostics
  • Highly accurate cell voltage measurements within 128µs 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 240mA
    • 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/SPI host interface/communication bridge device BQ79600-Q1
  • Built-in SPI master
  • 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
  • +/- 1.5mV ADC accuracy
  • Pin-package and software compatible device family:
    • Stackable monitor 16S (BQ79616-Q1, BQ79616H-Q1, BQ79656-Q1), 14S (BQ79614-Q1, BQ79654-Q1), and 12S (BQ79612-Q1, BQ79652-Q1)
    • Standalone monitor 48V system (BQ75614-Q1)
  • Built-in redundancy path for voltage and temperature diagnostics
  • Highly accurate cell voltage measurements within 128µs 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 240mA
    • 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/SPI host interface/communication bridge device BQ79600-Q1
  • Built-in SPI master

BQ79612-Q1, BQ79614-Q1, BQ79616-Q1 and BQ79616H-Q1 provide high-accuracy cell voltage measurements in less than 200µs for 12S, 14S and 16S battery modules in high-voltage battery management systems in HEV/EV. The family of monitors offers different channel options in the same package type, providing pin-to-pin compatibility and supporting high reuse of the established software and hardware across any platform. 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.

BQ79612-Q1, BQ79614-Q1, BQ79616-Q1 and BQ79616H-Q1 provide high-accuracy cell voltage measurements in less than 200µs for 12S, 14S and 16S battery modules in high-voltage battery management systems in HEV/EV. The family of monitors offers different channel options in the same package type, providing pin-to-pin compatibility and supporting high reuse of the established software and hardware across any platform. 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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* 数据表 BQ7961X-Q1 Functional Safety-Compliant Automotive 16S/14S/12S Battery Monitor, Balancer and Integrated Hardware Protector 数据表 (Rev. F) PDF | HTML 2026年 6月 11日

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评估板

BQ79616EVM-021 — BQ79616 16 节串联精密电池监测器、平衡器和集成保护器评估模块

BQ79616 评估模块 (EVM) 是适用于 BQ79616-Q1 的开发平台。BQ79616-Q1 可针对 6 到 16 节电池电芯提供高精度的通道测量。BQ79616-Q1 器件包含一个菊花链通信端口，可通过堆叠（多达 35 个器件）支持电动汽车传动系电池包中的大型电池组配置。 

用户指南: PDF | HTML
英语版 (Rev.D): PDF | HTML
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BQ79616H-Q1-DESIGN — BQ79616H-Q1 design resources

BQ79616H-Q1 documentation repository
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BQ7961X-AUTOSAR-CDD — BQ7961x Autosar complex device driver software

BQ7961X-Q1 CDD documentation repository
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BQ7X61X-Q1-EVALUATION — BQ7x61x-Q1 evaluation files

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BQ7X61X-Q1-FMEDA — BQ7x61x-Q1 FMEDA files

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BQ7X61X-Q1-FUNCTIONAL-SAFETY-DOCS — BQ7x61x-Q1 functional safety documents

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HTQFP (PAP) 64 Ultra Librarian
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