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電池管理 IC
電池監控器和平衡器

BQ79616-Q1

現行

符合 ASIL-D 規範的 16 節串聯車用精密電池監控器、平衡器和整合式保護器

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產品規格表

BQ79616-Q1

現行
產品規格表 立即訂購

產品詳細資料

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 TI functional safety category Functional Safety-Compliant 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 TI functional safety category Functional Safety-Compliant Operating current (typ) (µA) 9000
HTQFP (PAP) 64 144 mm² (12 mm × 12 mm)
  • 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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  • 提供設計建議和應用說明。立即索取
  • 提供協助進行 ISO 26262 系統設計的功能安全文件。立即索取
  • 提供 TI 無線電池管理系統的 TÜV SÜD 功能安全概念評估。  立即索取

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BQ75614-Q1 現行 符合 ASIL-D 規範的車用 16-S 精密電池監控器、平衡器和整合式保護器 Pin compatible with BQ79616-Q1. Same 64-pin QFP package with the current sensing feature.
BQ79656-Q1 現行 符合 ASIL-D 規範的車用 16-S 精密電池監控器、平衡器、電流感測器 Pin compatible with BQ79616-Q1. Same 64-pin QFP package with the current sensing feature.

技術文件

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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 BQ7961X-Q1 Functional Safety-Compliant Automotive 16S/14S/12S Battery Monitor, Balancer and Integrated Hardware Protector datasheet (Rev. F) PDF | HTML 2026/6/11
應用說明 Application Guidance for Reverse Wake-up via OVUVOTUT with BQ79616 in Sleep Mode PDF | HTML 2026/7/29
使用指南 BQ7961x-Q1 Design Recommendations for High Voltage Automotive BMS (Rev. B) PDF | HTML 2025/6/18
技術文章 開發下一代汽車 BMS 時硬體模擬的重要性 (Rev. A) PDF | HTML Download English Version (Rev.A) PDF | HTML 2025/3/20
白皮書 以低雜訊電源裝置簡化電源架構 (Rev. A) PDF | HTML Download English Version (Rev.A) PDF | HTML 2024/11/19
應用說明 BQ79616-Q1 Daisy Chain Communications PDF | HTML 2023/10/26
應用說明 BQ79616-Q1 Software Design Reference (Rev. B) PDF | HTML 2023/8/21
白皮書 Wired vs. Wireless Communications In EV Battery Management (Rev. A) PDF | HTML 2023/6/6
技術文章 How to design an intelligent battery junction box for advanced EV battery manageme PDF | HTML 2023/1/4
技術文章 Intelligent junction box with voltage and current synchronization in EVs PDF | HTML 2022/4/8
更多文件說明 BMS solutions for 48-V and 400-V/800-V EV/HEV batteries 2021/12/14
Application brief Expanding Functionality of Cell Supervision Unit in Battery Management Systems PDF | HTML 2021/9/14
技術文章 Improve wireless battery management with the industry’s best network availability PDF | HTML 2021/1/7
使用指南 BQ79616-Q1 and BQ75614-Q1 Graphical User Interface (GUI) User's Guide 2020/12/14
技術文章 Enhance thermal management in EVs with autonomous cell balancing PDF | HTML 2020/12/9
技術文章 Conserve battery power in HEV/EVs with automatic host reverse wakeup PDF | HTML 2020/12/4
功能安全資訊 Functional Safety Considerations in Battery Management for Vehicles 2020/9/17
技術文章 Three questions to ask about wireless BMS for hybrid and electric vehicles PDF | HTML 2020/2/18
功能安全資訊 Functional Safety-Relevant Wireless Communication in Automotive BMS PDF | HTML 2020/1/6

設計與開發

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開發板

BQ79616EVM-021 — 適用 16-S 精密電池監控器、平衡器、整合式保護器的 BQ79616 評估模組

BQ79616 評估模組 (EVM) 是適合 BQ79616-Q1 的開發平台。BQ79616-Q1 可為六至 16 個電池芯提供高準確度與通道量測。BQ79616-Q1 隨附菊鍊通訊埠且可堆疊（最多 35 個裝置），以支援電動車傳動系統電池組中的大型堆疊配置。 

使用指南: PDF | HTML
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支援軟體

SLVC810 — BQAutoEval GUI 1.0.4

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模擬工具

CMSO-3P-BCS — comemso 電池芯模擬器

電池芯模擬器 (BCS) 是所有測試電池管理系統 (BMS) 核心。其可在電池芯層級模擬 BMS 的所有必要狀態和故障。

從：comemso elecronics GmbH
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模擬工具

MNOVA-3P-NOVACARTS — MicroNova NovaCarts cell module controller (CMC) simulator for validating battery management systems

The NovaCarts cell module controller (CMC) simulation can simulate up to 35 cell monitoring integrated circuits of the automotive battery cell monitors family. The simulator is connected to the battery management system (BMS) host via a daisy chain interface. Typical applications of the simulator (...)

從：MicroNova
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