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BQ79735B-Q1

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具有垂直接口的汽车级 6 节串联电池接线盒电流检测 UIR 传感器

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BQ79735B-Q1

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产品详情

Rating Automotive Operating temperature range (°C) to TI functional safety category Functional Safety-Compliant
Rating Automotive Operating temperature range (°C) to TI functional safety category Functional Safety-Compliant
HTQFP (PHP) 48 81 mm² 9 x 9
  • AEC-Q100 qualified –40°C to +125°C
  • Functional safety - compliant
    • Documentation to aid ISO 26262 system design
    • Systematic capability up to ASIL D
    • Hardware capability up to ASIL D
  • 17 single-ended voltage channels
    • High voltage pack, link, charge measurement accuracy update to 0.2%
    • Pack and cell sync to 64uS
  • 15 GPIO inputs as IO, I2C, SPI, ADC and temp sense
  • Dedicated MOSFET switch drive pins
  • Intelligent SPI contoller HUB
    • Support multiple SPI peripheral devices
    • HW pin to trigger contactor drivers and Pyro Fuse drivers
  • Stackable and register map compatible with with cell monitors like the 18S (BQ79718)
  • AEC-Q100 qualified –40°C to +125°C
  • Functional safety - compliant
    • Documentation to aid ISO 26262 system design
    • Systematic capability up to ASIL D
    • Hardware capability up to ASIL D
  • 17 single-ended voltage channels
    • High voltage pack, link, charge measurement accuracy update to 0.2%
    • Pack and cell sync to 64uS
  • 15 GPIO inputs as IO, I2C, SPI, ADC and temp sense
  • Dedicated MOSFET switch drive pins
  • Intelligent SPI contoller HUB
    • Support multiple SPI peripheral devices
    • HW pin to trigger contactor drivers and Pyro Fuse drivers
  • Stackable and register map compatible with with cell monitors like the 18S (BQ79718)

The BQ79735B-Q1 device can be used to measure divided down high voltage nodes in a battery system. The device can measure voltage across Fuse, Contactors and check isolation voltage in battery junction box (BJB) system. There are 15 GPIOs/auxiliary inputs that can be used for HV measurements, thermistor measurements and driving relays. There are 4 SW outputs that can be used to drive MOSFET switches in the measurement path. The device can function as a SPI HUB and interface with up to 8 separate SPI devices/groups. The isolated bi-directional daisy chain ports support both capacitor and transformer based isolation. The device can also communicate with MCU over SPI.

The BQ79735B-Q1 device can be used to measure divided down high voltage nodes in a battery system. The device can measure voltage across Fuse, Contactors and check isolation voltage in battery junction box (BJB) system. There are 15 GPIOs/auxiliary inputs that can be used for HV measurements, thermistor measurements and driving relays. There are 4 SW outputs that can be used to drive MOSFET switches in the measurement path. The device can function as a SPI HUB and interface with up to 8 separate SPI devices/groups. The isolated bi-directional daisy chain ports support both capacitor and transformer based isolation. The device can also communicate with MCU over SPI.
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* 数据表 BQ79735B-Q1 Pack Voltage and Isolation Resistance Monitor for HV Automotive BMS Applications 数据表 PDF | HTML 2025年 12月 11日

设计和开发

如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

驱动程序或库

BQ79731B-Q1-FS — Functional Safety documentations of BQ79731B-Q1

Functional Safety documentations of BQ79731B-Q1
支持的产品和硬件

支持的产品和硬件

产品
电池监测器和平衡器
BQ79731B-Q1 — 具有电压、电流和绝缘电阻检测功能的汽车级高电压电池组监测器 BQ79735B-Q1 — 具有垂直接口的汽车级 6 节串联电池接线盒电流检测 UIR 传感器
发送申请
驱动程序或库

BQ7973XB-Q1-DESIGN — Secure resource folder of BQ7973XB-Q1

Secure resource folder of BQ7973XB-Q1
支持的产品和硬件

支持的产品和硬件

产品
电池监测器和平衡器
BQ79731B-Q1 — 具有电压、电流和绝缘电阻检测功能的汽车级高电压电池组监测器 BQ79735B-Q1 — 具有垂直接口的汽车级 6 节串联电池接线盒电流检测 UIR 传感器
发送申请
封装 引脚 CAD 符号、封装和 3D 模型
HTQFP (PHP) 48 Ultra Librarian
应遵守 TI 评估类商品的标准条款与条件。

订购和质量

包含信息：
  • RoHS
  • 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
包含信息：
  • 制造厂地点
  • 封装厂地点

支持和培训

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