产品详情

Rating Catalog Number of series cells (max) 7 Number of series cells (min) 2 Features Digital output, I2C support, Integrated ADC, LDO output, Low-Power Sleep Mode, Low-side driver, Multi-cell support, One-time-programmable (OTP) memory, Open-wire detection, Overcurrent in charging protection, Overcurrent in discharging protection, Overtemperature protection, Overvoltage protection, Short-current detection, Sleep Mode, Temperature sensing, Undertemperature protection, Undervoltage protection Vin (max) (V) 38.5 Communication interface I2C Device type Cell monitor and balancer, Protector Operating temperature range (°C) -40 to 110 Battery overvoltage protection (min) (V) 0 Battery overvoltage protection (max) (V) 5.5 Operating current (typ) (µA) 140
Rating Catalog Number of series cells (max) 7 Number of series cells (min) 2 Features Digital output, I2C support, Integrated ADC, LDO output, Low-Power Sleep Mode, Low-side driver, Multi-cell support, One-time-programmable (OTP) memory, Open-wire detection, Overcurrent in charging protection, Overcurrent in discharging protection, Overtemperature protection, Overvoltage protection, Short-current detection, Sleep Mode, Temperature sensing, Undertemperature protection, Undervoltage protection Vin (max) (V) 38.5 Communication interface I2C Device type Cell monitor and balancer, Protector Operating temperature range (°C) -40 to 110 Battery overvoltage protection (min) (V) 0 Battery overvoltage protection (max) (V) 5.5 Operating current (typ) (µA) 140
VQFN (RGR) 20 12.25 mm² 3.5 x 3.5
  • Battery monitoring capability for 2-series to 7-series cells
  • Integrated low-side drivers for NFET protection with optional autonomous recovery
  • Extensive protection suite including voltage, temperature, current, and internal diagnostics
  • 16-bit delta-sigma voltage ADC
    • High accuracy cell voltage measurement of 4mV (typical)
  • Dedicated 16- or 24-bit delta-sigma coulomb counter ADC
    • High-accuracy current measurement with low input offset error
    • Wide-range current applications (±200mV measurement range across sense resistor)
    • 48-bit accumulated charge integrator with timer
  • Host-controlled cell balancing
  • Multiple power modes (typical battery pack operating range conditions)
    • NORMAL mode: 32µA to 175µA
    • SLEEP mode: 6µA
    • DEEPSLEEP mode: 2.7µA
    • SHUTDOWN mode: <1µA
  • High-voltage tolerance of 45V on cell connect and select additional pins
  • Support for temperature sensing using an internal sensor and an external thermistor
  • Integrated one-time-programmable (OTP) memory for device settings, programmed by TI
  • 400kHz I2C serial communications with optional CRC support
  • Programmable LDO for external system usage
  • 20-pin QFN (RGR) package
  • Battery monitoring capability for 2-series to 7-series cells
  • Integrated low-side drivers for NFET protection with optional autonomous recovery
  • Extensive protection suite including voltage, temperature, current, and internal diagnostics
  • 16-bit delta-sigma voltage ADC
    • High accuracy cell voltage measurement of 4mV (typical)
  • Dedicated 16- or 24-bit delta-sigma coulomb counter ADC
    • High-accuracy current measurement with low input offset error
    • Wide-range current applications (±200mV measurement range across sense resistor)
    • 48-bit accumulated charge integrator with timer
  • Host-controlled cell balancing
  • Multiple power modes (typical battery pack operating range conditions)
    • NORMAL mode: 32µA to 175µA
    • SLEEP mode: 6µA
    • DEEPSLEEP mode: 2.7µA
    • SHUTDOWN mode: <1µA
  • High-voltage tolerance of 45V on cell connect and select additional pins
  • Support for temperature sensing using an internal sensor and an external thermistor
  • Integrated one-time-programmable (OTP) memory for device settings, programmed by TI
  • 400kHz I2C serial communications with optional CRC support
  • Programmable LDO for external system usage
  • 20-pin QFN (RGR) package
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* 数据表 BQ76907 2-Series to 7-Series High Accuracy Battery Monitor and Protector for Li-Ion, Li-Polymer, LiFePO4 (LFP), and LTO Battery Packs 数据表 (Rev. A) PDF | HTML 2026年 7月 6日
应用手册 了解 BQ76905 、BQ76907 的电压采样测量环路 PDF | HTML 英语版 PDF | HTML 2025年 9月 19日
应用手册 理解BQ76905/07电压采样Measurement Loop的调度逻辑 2024年 12月 17日
应用手册 使用 BQ7690x 电池监测器实现电芯平衡 PDF | HTML 英语版 PDF | HTML 2024年 1月 8日
用户指南 BQ7690x 软件开发指南 PDF | HTML 英语版 PDF | HTML 2023年 12月 14日
用户指南 BQ76907 Technical Reference Manual PDF | HTML 2023年 11月 17日
证书 BQ76907EVM EU Declaration of Conformity (DoC) 2023年 11月 15日

设计与开发

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BQ76907EVM — BQ76907 低功耗监测器和保护器评估模块

BQ76907EVM 评估模块 (EVM) 是适用于 BQ76907 的完整评估系统。BQ76907 是一款高度集成的高精度电池监测器和保护器,适用于 2 至 7 节串联锂离子、锂聚合物和磷酸铁锂电池包。该 EVM 包括一个 BQ76907 集成电路 (IC)、检测电阻、一个热敏电阻、功率 FET,以及用于保护电池免受过充电、过放电、短路、过流放电、过温和欠温影响的所有其他必要板载组件。
用户指南: PDF | HTML
英语版: PDF | HTML
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应用软件和框架

BQSTUDIO-TEST Battery Management Studio (bqStudio) 软件 – 未测试版本下载

Battery Management Studio (bqStudio) offers a full suite of robust tools to assist with the process of evaluating, designing with, configuring, testing, or otherwise utilizing TI Battery management products. This includes features that provide full access to registers and data memory including (...)

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驱动程序或库

BQ7690X-CODE-EXAMPLES BQ7690x battery monitors code examples

Microcontroller sample code examples for interfacing with BQ7690x battery monitors and protectors.
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参考设计

TIDA-010268 — 具有低侧 MOSFET 控制功能的 5 至 7 节串联电池包监测器参考设计

该参考设计是一款具有高电芯电压精度的 5 至 7 节串联锂离子 (Li-ion)、磷酸铁锂 (LiFePO4) 电池包设计。该设计能够非常精确地监测各个电芯的电压、电池包电流和金属氧化物半导体场效应晶体管 (MOSFET) 温度,并防止锂离子和磷酸铁锂电池包出现电芯过压、电芯欠压、过热、充放电过流以及放电短路现象。该产品采用低侧 N 沟道 MOSFET 架构,具有强大的驱动开关能力。得益于上述特性,该参考设计非常适用于电动工具和真空吸尘器电池包应用。
设计指南: PDF
封装 引脚 CAD 符号、封装和 3D 模型
VQFN (RGR) 20 Ultra Librarian

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  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
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  • 制造厂地点
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