产品详细信息

Cell chemistry Li-Ion/Li-Polymer, LiFePO4 Number of series cells >4 Cells Communication interface I2C, SMBus Battery capacity (Min) (mAh) 100 Battery capacity (Max) (mAh) 320000 Implementation Pack External capacity indication LCD, LED, SOC Features CEDV algorithm Operating temperature range (C) -40 to 85 Cell balancing External, Internal
Cell chemistry Li-Ion/Li-Polymer, LiFePO4 Number of series cells >4 Cells Communication interface I2C, SMBus Battery capacity (Min) (mAh) 100 Battery capacity (Max) (mAh) 320000 Implementation Pack External capacity indication LCD, LED, SOC Features CEDV algorithm Operating temperature range (C) -40 to 85 Cell balancing External, Internal
TSSOP (DBT) 30 34 mm² 7.8 x 4.4
  • Compensated end-of-discharge voltage (CEDV) gauging algorithm
  • Supports SMBus host communication
  • Flexible configuration for 3- to 5-series (BQ76920), 6- to 10-series (BQ76930), and 9- to 15-series (BQ76940) li-ion and LiFePO4 batteries
  • Supports battery configurations up to 320 Ahr
  • Supports charge and discharge current reporting up to 320 A
  • On-chip temperature sensor option
  • External NTC thermistor support from companion AFE
  • Full array of programmable protection features
    • Voltage, current, and temperature
    • System components
  • Lifetime data logging
  • Supports CC-CV charging, including precharge, charge inhibit, and charge suspend
  • Offers an optional resistor programmable SMBus slave address for up to eight different bus addresses
  • Drives up to a 5-segment LED or LCD display for state-of-charge indication
  • Provides SHA-1 authentication
  • Compensated end-of-discharge voltage (CEDV) gauging algorithm
  • Supports SMBus host communication
  • Flexible configuration for 3- to 5-series (BQ76920), 6- to 10-series (BQ76930), and 9- to 15-series (BQ76940) li-ion and LiFePO4 batteries
  • Supports battery configurations up to 320 Ahr
  • Supports charge and discharge current reporting up to 320 A
  • On-chip temperature sensor option
  • External NTC thermistor support from companion AFE
  • Full array of programmable protection features
    • Voltage, current, and temperature
    • System components
  • Lifetime data logging
  • Supports CC-CV charging, including precharge, charge inhibit, and charge suspend
  • Offers an optional resistor programmable SMBus slave address for up to eight different bus addresses
  • Drives up to a 5-segment LED or LCD display for state-of-charge indication
  • Provides SHA-1 authentication

The Texas Instruments BQ78350-R1A li-ion and LiFePO4 Battery Management Controller and companion to the BQ769x0 family of analog front end (AFE) protection devices provides a comprehensive set of Battery Management System (BMS) subsystems, helping to accelerate product development for faster time-to-market.

The BQ78350-R1A controller and the BQ769x0 AFE support 3-series to 15-series cell applications. The BQ78350-R1A device provides an accurate fuel gauge and state-of-health (SoH) monitor, as well as cell balancing and a full range of voltage-, current-, and temperature-based protection features.

The BQ78350-R1A device offers optional LED or LCD display configurations for capacity reporting. It also makes data available over its SMBus 1.1 interface. Battery history and diagnostic data is also kept within the device in non-volatile memory and is available over the same interface.

The Texas Instruments BQ78350-R1A li-ion and LiFePO4 Battery Management Controller and companion to the BQ769x0 family of analog front end (AFE) protection devices provides a comprehensive set of Battery Management System (BMS) subsystems, helping to accelerate product development for faster time-to-market.

The BQ78350-R1A controller and the BQ769x0 AFE support 3-series to 15-series cell applications. The BQ78350-R1A device provides an accurate fuel gauge and state-of-health (SoH) monitor, as well as cell balancing and a full range of voltage-, current-, and temperature-based protection features.

The BQ78350-R1A device offers optional LED or LCD display configurations for capacity reporting. It also makes data available over its SMBus 1.1 interface. Battery history and diagnostic data is also kept within the device in non-volatile memory and is available over the same interface.

下载

技术文档

star = 有关此产品的 TI 精选热门文档
未找到结果。请清除搜索,并重试。
查看全部 9
类型 项目标题 下载最新的英语版本 日期
* 数据表 BQ78350-R1A CEDV Li-Ion Gas Gauge and Battery Management Controller Companion to the BQ769x0 Battery Monitoring AFE 数据表 03 Dec 2019
用户指南 BQ78350-R1A Technical Reference Manual 09 Dec 2019
用户指南 bq76930 and bq76940 Evaluation Module (Rev. C) 10 Dec 2018
EVM 用户指南 bq76920 EVM User's Guide (Rev. D) 12 Nov 2018
应用手册 Using the bq78350-R1 05 Nov 2018
用户指南 Simple Guide to CEDV Data Collection for Gauging Parameter Calculator (GPC) (Rev. B) 30 Jan 2018
应用手册 Configuring Single Cell Gauges 12 Jan 2017
应用手册 SMBus Made Simple 09 Nov 2016
应用手册 bq78350 Data Memory Programming for Mass Production 16 Apr 2015

设计和开发

如需其他信息或资源,请查看下方列表,点击标题即可进入详情页面。

评估板

BQ76920EVM — 用于 5/10/15 节锂离子和磷酸盐电池的 μC 控制的 AFE 系列评估模块

bq76920EVM 是附带的电路板,用于评估 bq7692000 模拟前端 (AFE) 和作为完整电池组监控和保护解决方案一部分的 bq78350 电池管理控制器,这些解决方案针对 3 至 5 节含有锂离子、磷酸铁锂及更多电池化学物质的电池。  与 EV2300 或 EV2400 接口适配器及网站上提供的合适的评估软件一起使用时,它可提供全面的环境以评估 AFE 的寄存器控制或控制器配置,并显示器件电池系统的电流控制。

TI.com 無法提供
评估板

BQ76930EVM — 用于 5/10/15 节锂离子和磷酸盐电池的 µC 控制的 AFE 系列评估模块

bq76930EVM 是附带的电路板,用于评估 bq76930 模拟前端 (AFE) 和作为完整电池组监控和保护解决方案一部分的 bq78350 电池管理控制器,这些解决方案针对 6 至 10 节含有锂离子、磷酸铁锂及更多电池化学物质的电池。  与 EV2300 或 EV2400 接口适配器及网站上提供的合适的评估软件一起使用时,它可提供全面的环境以评估 AFE 的寄存器控制或控制器配置,并显示器件电池系统的电流控制。

 

 

TI.com 無法提供
评估板

BQ76940EVM — 用于 5/10/15 节锂离子和磷酸盐电池的 µC 控制的 AFE 系列评估模块

bq76940EVM 是附带的电路板,用于评估 bq76940 模拟前端 (AFE) 和作为完整电池组监控和保护解决方案一部分的 bq78350 电池管理控制器,这些解决方案针对 9 至 15 节含有锂离子、磷酸铁锂及更多电池化学物质的电池。  与 EV2300 或 EV2400 接口适配器及网站上提供的合适的评估软件一起使用时,它可提供全面的环境以评估 AFE 的寄存器控制或控制器配置,并显示器件电池系统的电流控制。

TI.com 無法提供
应用软件和框架

BQSTUDIO — Battery Management Studio (bqStudio) 软件套件

Battery Management Studio (bqStudio) 提供一整套稳健的工具来帮助您评估、配置、测试 TI 电池管理产品以及利用其进行设计或以其他方式对其加以利用。这包括提供对寄存器和数据内存的完全访问,其中包括支持实时查看、绘制和记录轻松连接以发送命令、控制低级通信和 I/O,以及自动和指导支持配置、校准、执行学习周期以及生成有用的文件以将器件投入生产。此外,Battery Management Studio 还为监测计开发套件 (bq27GDK000EVM) 提供自动化和脚本支持。
应用软件和框架

GPCCEDV — gpccedv

Gauging Parameter Calculator (GPC) is a math calculation and simulation tool that helps the battery designer to obtain matching Compensated End of Discharge Voltage (CEDV) coefficients for the specific battery profile. The tool allows the user to increase the accuracy of the fuel gauge IC over (...)
固件

BQ78350-R2-DEVICE-FW — BQ78350-R2 器件固件:CEDV 锂离子电池电量监测计和电池管理控制器

bq78350-R2 锂离子和磷酸铁锂电池管理控制器与 bq769x0 系列模拟前端 (AFE) 保护器件配套,可提供全套电池管理系统 (BMS) 子系统,有助于加快产品开发、缩短上市时间。
固件

bq78350-R1 Device Firmware (Rev. A)

SLUC594A.ZIP (4249 KB)
lock = 需要导出审批(1分钟)
支持软件

bqStudio Chemistry Updater (Rev. FW)

SLUC564FW.ZIP (2777 KB)
lock = 需要导出审批(1分钟)
计算工具

GAUGEPARCAL — 监测参数计算器

监测参数计算器 (GPC) 是一种数学计算和仿真工具,可帮助电池设计人员获取匹配特定电池曲线的补偿放电终点电压 (CEDV) 系数。利用该工具,用户可以提高过热电量监测计 IC 的准确度。
参考设计

TIDA-00792 — 多节 36-48V 电池管理系统参考设计

此参考设计旨在为 12 至 15 节锂离子电池或磷酸铁锂电池提供监控、平衡、主保护和电量监测功能。该板适合安装在用于工业系统的外壳中。此参考设计采用无需进行代码开发的参数,可提供电池保护和电量监测配置,并且配备高侧保护开关,即使在受到保护时也可就电池状态进行以电池组为基准的简单 SMBus 通信。
封装 引脚数 下载
TSSOP (DBT) 30 了解详情

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
  • 认证摘要
  • 持续可靠性监测

推荐产品可能包含与 TI 此产品相关的参数、评估模块或参考设计。

支持与培训

视频