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電池管理 IC
電池監控器和平衡器

BQ79616

現行

配備堆疊介面的 16-S 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

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog 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 Catalog 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
  • ±1.5mV ADC accuracy
  • 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
  • Bus bar connection and measurement support
  • 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
  • Built-in SPI controller
  • ±1.5mV ADC accuracy
  • 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
  • Bus bar connection and measurement support
  • 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
  • Built-in SPI controller

The BQ79616 device provides high-accuracy cell voltage measurements in less than 200µs for 16-series battery modules in high-voltage battery management systems in HEV/EV. The monitor 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.

The BQ79616 device provides high-accuracy cell voltage measurements in less than 200µs for 16-series battery modules in high-voltage battery management systems in HEV/EV. The monitor 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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重要文件 類型 標題 格式選項 日期
* Data sheet BQ79616 16-Series Battery Monitor, Balancer, and Integrated Hardware Protector datasheet (Rev. A) PDF | HTML 2026年 6月 11日
Application note BQ79616 Control Based on MSPM0 Through UART to CAN PDF | HTML 2024年 12月 16日
Technical article 3 major design challenges to solve in battery energy storage systems PDF | HTML 2024年 1月 30日
Application note BQ79616-Q1 Daisy Chain Communications PDF | HTML 2023年 10月 26日
Application brief Scaling accurate battery management designs across energy storage systems PDF | HTML 2023年 10月 20日
Application note BQ79616-Q1 Software Design Reference (Rev. B) PDF | HTML 2023年 8月 21日
Application brief Expanding Functionality of Cell Supervision Unit in Battery Management Systems PDF | HTML 2021年 9月 14日
User guide BQ79616-Q1 and BQ75614-Q1 Graphical User Interface (GUI) User's Guide 2020年 12月 14日

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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BQ7961X-AUTOSAR-CDD — BQ7961x Autosar complex device driver software

BQ7961X-Q1 CDD documentation repository
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BQ7X61X-Q1-DEVELOPMENT — BQ7x61x-Q1 development files

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BQ7X61X-Q1-EVALUATION — BQ7x61x-Q1 evaluation files

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參考設計

TIDA-010271 — 適用於儲能系統的可堆疊電池管理單元參考設計

這是完整電池芯溫度感測與高電池芯電壓準確度的鋰離子 (Li-ion)、磷酸鐵鋰 (LiFePO4) 電池組 (32s) 參考設計。此設計可監控每個電池芯電壓、電池芯溫度，並保護電池組，以確保安全使用。此設計使用板載與板外菊鍊通訊介面，實現符合成本效益的堆疊匯流排連線。這些功能讓此參考設計適用於高容量電池組應用。
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HTQFP (PAP) 64 Ultra Librarian
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