產品詳細資料

Cell chemistry Li-Ion/Li-Polymer, LiFePO4, NCM, Si Anode Number of series cells Single Cell Communication interface I2C Battery capacity (min) (mAh) 100 Battery capacity (max) (mAh) 32000 Implementation Pack External capacity indication None Features Dynamic Z-Track™ technology, ECC authentication, Integrated Protector, SHA-256 Authentication Operating temperature range (°C) -40 to 85 Rating Catalog
Cell chemistry Li-Ion/Li-Polymer, LiFePO4, NCM, Si Anode Number of series cells Single Cell Communication interface I2C Battery capacity (min) (mAh) 100 Battery capacity (max) (mAh) 32000 Implementation Pack External capacity indication None Features Dynamic Z-Track™ technology, ECC authentication, Integrated Protector, SHA-256 Authentication Operating temperature range (°C) -40 to 85 Rating Catalog
DSBGA (YAH) 15 5.4488 mm² (2.78 mm × 1.96 mm)
  • Fully integrated battery gas gauge, protector, and authenticator
  • Battery chemistries supported include Li-ion with LCO, NMC, or LFP cathodes and with graphite or silicon anodes
  • Battery fuel gauging based on patented Dynamic Z-Track technology
    • Models battery impedance for accurate time-to-empty predictions for static and dynamic loads
    • Automatically adjusts for aging, temperature, and rate-induced effects on the battery
  • High-accuracy analog front end with two independent ADCs:
    • 18-bit low offset, high resolution delta-sigma ADC for coulomb counting with ±100mV input range
    • 16-bit delta-sigma ADC for cell voltage and internal and external temperature sensors
  • High-side or low-side current sensing for system flexibility
  • Programmable safety and protection:
    • Hardware-level OVP, UVP, OCC, OCD, SCD protections
    • Firmware-level OVP, UVP, OCC, OCD, UT, OT, FETF, CTO, PCHGC, and more...

  • Integrated high efficiency high-side NMOS protection FET drivers
  • Up to 1MHz I2C bus communications interface with 1.2V- and 1.8V-level support
  • ECC ECDSA and SHA-256 authentication support with secure memory
  • Wake from push-button or charger detect

  • True zero-volt charging to support dead battery charging

  • Ultra-compact, 15-ball DSBGA package (YAH)
  • Fully integrated battery gas gauge, protector, and authenticator
  • Battery chemistries supported include Li-ion with LCO, NMC, or LFP cathodes and with graphite or silicon anodes
  • Battery fuel gauging based on patented Dynamic Z-Track technology
    • Models battery impedance for accurate time-to-empty predictions for static and dynamic loads
    • Automatically adjusts for aging, temperature, and rate-induced effects on the battery
  • High-accuracy analog front end with two independent ADCs:
    • 18-bit low offset, high resolution delta-sigma ADC for coulomb counting with ±100mV input range
    • 16-bit delta-sigma ADC for cell voltage and internal and external temperature sensors
  • High-side or low-side current sensing for system flexibility
  • Programmable safety and protection:
    • Hardware-level OVP, UVP, OCC, OCD, SCD protections
    • Firmware-level OVP, UVP, OCC, OCD, UT, OT, FETF, CTO, PCHGC, and more...

  • Integrated high efficiency high-side NMOS protection FET drivers
  • Up to 1MHz I2C bus communications interface with 1.2V- and 1.8V-level support
  • ECC ECDSA and SHA-256 authentication support with secure memory
  • Wake from push-button or charger detect

  • True zero-volt charging to support dead battery charging

  • Ultra-compact, 15-ball DSBGA package (YAH)

The Texas Instruments BQ27Z846 Dynamic Z-Trackgas gauge device is a fully integrated and accurate,1-series cell gas gauge, protection, and authentication option.

The BQ27Z846 gas gauge communicates through an I2C compatible interface and combines an ultra-low power RISC processor, high accuracy analog measurement capabilities, integrated flash memory, high-side NMOS FET drivers, and ECC ECDSA and SHA-2 authentication to provide a complete, high-performance battery management option.

The Texas Instruments BQ27Z846 Dynamic Z-Trackgas gauge device is a fully integrated and accurate,1-series cell gas gauge, protection, and authentication option.

The BQ27Z846 gas gauge communicates through an I2C compatible interface and combines an ultra-low power RISC processor, high accuracy analog measurement capabilities, integrated flash memory, high-side NMOS FET drivers, and ECC ECDSA and SHA-2 authentication to provide a complete, high-performance battery management option.

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設計與開發

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開發板

BQ27Z846EVM — BQ27Z846 評估模組

BQ27Z846 評估模組 (EVM) 是一款系統級電路板,旨在讓使用者能夠評估系統中 BQ27Z846 油量計的功能。BQ27Z846 EVM 適用於電池組為 1-S 電池芯,即單顆串聯電池芯的應用。EVM 包含 BQ27Z846 電池電量計、高壓側和低壓側電流感測電阻器、整合式高壓側保護、ENAB 喚醒按鈕、充電器喚醒按鈕及其他接頭選項,可進行部分修改以滿足預期應用需求。

使用指南: PDF | HTML
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應用軟體及架構

BQSTUDIO-TEST — Battery Management Studio (bqStudio) Software – Beta version downloads

Battery Management Studio (bqStudio) 提供全套的強固工具,可協助評估、設計、配置、測試或使用 TI 電池管理產品的程序。其中包括可提供暫存器及資料記憶體完整存取的功能,包括支援即時觀看、繪圖和記錄、傳送命令的簡易介面、直接低階通訊和 I/O,以及用於配置、校準和執行學習週期的自動化和引導支援,進而產生實用的檔案,以利裝置投入生產。

在 bqStudio 中也支援舊產品,如 bq20xxx 和 bq30xxx。從適當的產品頁面下載特定的評估軟體。此外,您為 bqStudio 下載的最新化學更新程式需要 bqStudio 的更新版。

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韌體

BQ27Z846-FW — BQ27Z846 device firmware

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開發模組 (EVM) 的 GUI

BQSTUDIO-GUI — Battery Management Studio (bqStudio) Software - Web Based Version

Battery Management Studio (bqStudio) 提供全套的強固工具,可協助評估、設計、配置、測試或使用 TI 電池管理產品的程序。其中包括可提供暫存器及資料記憶體完整存取的功能,包括支援即時觀看、繪圖和記錄、傳送命令的簡易介面、直接低階通訊和 I/O,以及用於配置、校準和執行學習週期的自動化和引導支援,進而產生實用的檔案,以利裝置投入生產。

 

bqStudio-web 不支援 bq20xxx、bq30xxx 和 bq40xxx 等較舊的產品。從適當的產品頁面下載特定的評估軟體。此外,您為 bqStudio 下載的最新化學更新程式需要 bqStudio 的更新版。

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軟體程式設計工具

BQ-BMS-PROGRAMMER-SW — Command line programmers for BQ products

BQ-BATTERY-PROGRAMMER-SW 軟體開發套件 (SDK) 是一系列穩固的軟體命令列工具,可協助使用 TI 電池管理產品進行編程、測試或組裝電池組作業。此軟體中的可執行檔可與 EV2300 通訊收發器的 MKST-3P-ALT-EV2300 MKS 技術替代產品配合使用。這些可執行檔可與單站點一起使用,並可透過使用 MKS Technology Inc. 提供的附加軟體和 GUI 擴展到多個站點。此軟體不支援多工作站。

每次下載都會有多個可執行檔,通常每個平台一個。另外也支援較舊的產品,如 BQ20xxx 和 BQ30xxx。我們提供使用 C++ 程式語言 API 和 (...)

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封裝 針腳 CAD 符號、佔位空間與 3D 模型
DSBGA (YAH) 15 Ultra Librarian

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