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製品詳細

Cell chemistry Li-Ion/Li-Polymer Number of series cells 2-4 Cells, >4 Cells Communication interface SMBus Battery capacity (min) (mAh) 1000 Battery capacity (max) (mAh) 327670 Implementation Pack External capacity indication EPD, LCD Features Coulomb Counter Operating temperature range (°C) -40 to 85 Rating Catalog
Cell chemistry Li-Ion/Li-Polymer Number of series cells 2-4 Cells, >4 Cells Communication interface SMBus Battery capacity (min) (mAh) 1000 Battery capacity (max) (mAh) 327670 Implementation Pack External capacity indication EPD, LCD Features Coulomb Counter Operating temperature range (°C) -40 to 85 Rating Catalog
VQFN (RGZ) 48 49 mm² 7 x 7
  • bq78PL114 Designed for Managing 3- to 8-Series-Cell Battery Systems
  • bq78PL114S12 Firmware Upgrade Supports 3- to 12-Series-Cell Battery Systems
    • Adds Support for LCD and Electronic Paper Displays or EPDs
    • Configurable for 11-A, 26-A, or 110-A Operating Currents
  • Systems With More Than Four Series Cells Require External bq76PL102 Dual-Cell Monitors
  • SmartSafety Features:
    • Prevention: Optimal Cell Management
    • Diagnosis: Improved Sensing of Cell Problems
    • Fail Safe: Detection of Event Precursors
  • Rate-of-Change Detection of All Important Cell Characteristics:
    • Voltage
    • Impedance
    • Cell Temperature
  • PowerPump Technology Transfers Charge Efficiently From Cell to Cell During All Operating Conditions, Resulting in Longer Run Time and Cell Life
    • bq78PL114S12 Adds User-Configurable PowerPump Cell-Balancing Modes
  • High-Resolution 18-Bit Integrating Delta-Sigma Coulomb Counter for Precise Charge-Flow Measurements and Gas Gauging
  • Multiple Independent ADCs: One-per-Cell Voltage, Plus Separate Temperature, Current, and Safety
  • Simultaneous, Synchronous Measurement of Pack Current and Individual Cell Voltages
  • Very Low Power Consumption
    • bq78PL114: < 250 µA Active, < 150 µA Standby, < 40 µA Ship, and < 1 µA Undervoltage Shutdown
    • bq78PL114S12: < 300 µA Active, < 185 µA Standby, < 85 µA Ship, and < 1 µA Undervoltage Shutdown
  • Accurate, Advanced Temperature Monitoring of Cells and MOSFETs With up to 12 Sensors
  • Fail-Safe Operation of Pack Protection Circuits: Up to Three Power MOSFETs and One Secondary Safety Output (Fuse)
  • Fully Programmable Voltage, Current, Balance, and Temperature-Protection Features
  • External Inputs for Auxiliary MOSFET Control
  • Smart Battery System 1.1 Compliant via SMBus
  • APPLICATIONS
    • Portable Medical Instruments and Test Equipment
    • Mobility Devices (E-Bike)
    • Uninterruptible Power Supplies and Hand-Held Tools

PowerLAN, PowerPump, bqWizard are trademarks of Texas Instruments.
All other trademarks are the property of their respective owners.

  • bq78PL114 Designed for Managing 3- to 8-Series-Cell Battery Systems
  • bq78PL114S12 Firmware Upgrade Supports 3- to 12-Series-Cell Battery Systems
    • Adds Support for LCD and Electronic Paper Displays or EPDs
    • Configurable for 11-A, 26-A, or 110-A Operating Currents
  • Systems With More Than Four Series Cells Require External bq76PL102 Dual-Cell Monitors
  • SmartSafety Features:
    • Prevention: Optimal Cell Management
    • Diagnosis: Improved Sensing of Cell Problems
    • Fail Safe: Detection of Event Precursors
  • Rate-of-Change Detection of All Important Cell Characteristics:
    • Voltage
    • Impedance
    • Cell Temperature
  • PowerPump Technology Transfers Charge Efficiently From Cell to Cell During All Operating Conditions, Resulting in Longer Run Time and Cell Life
    • bq78PL114S12 Adds User-Configurable PowerPump Cell-Balancing Modes
  • High-Resolution 18-Bit Integrating Delta-Sigma Coulomb Counter for Precise Charge-Flow Measurements and Gas Gauging
  • Multiple Independent ADCs: One-per-Cell Voltage, Plus Separate Temperature, Current, and Safety
  • Simultaneous, Synchronous Measurement of Pack Current and Individual Cell Voltages
  • Very Low Power Consumption
    • bq78PL114: < 250 µA Active, < 150 µA Standby, < 40 µA Ship, and < 1 µA Undervoltage Shutdown
    • bq78PL114S12: < 300 µA Active, < 185 µA Standby, < 85 µA Ship, and < 1 µA Undervoltage Shutdown
  • Accurate, Advanced Temperature Monitoring of Cells and MOSFETs With up to 12 Sensors
  • Fail-Safe Operation of Pack Protection Circuits: Up to Three Power MOSFETs and One Secondary Safety Output (Fuse)
  • Fully Programmable Voltage, Current, Balance, and Temperature-Protection Features
  • External Inputs for Auxiliary MOSFET Control
  • Smart Battery System 1.1 Compliant via SMBus
  • APPLICATIONS
    • Portable Medical Instruments and Test Equipment
    • Mobility Devices (E-Bike)
    • Uninterruptible Power Supplies and Hand-Held Tools

PowerLAN, PowerPump, bqWizard are trademarks of Texas Instruments.
All other trademarks are the property of their respective owners.

The bq78PL114 master gateway battery controller is part of a complete Li-Ion control, monitoring, and safety solution designed for large series cell strings.

The bq78PL114 and bq78PL114S12 along with bq76PL102 PowerLAN™ dual-cell monitors provide complete battery-system control, communications, and safety functions for a structure of three up to twelve series cells. This PowerLAN system provides simultaneous, synchronized voltage and current measurements using one A/D per-cell technology. This eliminates system-induced noise from measurements and allows the precise, continuous, real-time calculation of cell impedance under all operating conditions, even during widely fluctuating load conditions.

PowerPump technology transfers charge between cells to balance their voltage and capacity. Balancing is possible during all battery modes: charge, discharge, and rest. Highly efficient charge-transfer circuitry nearly eliminates energy loss while providing true real-time balance between cells, resulting in longer run-time and improved cycle life.

Temperature is sensed by up to 12 external sensors and one on-chip sensor. This permits accurate temperature monitoring of each cell individually. Firmware is then able to compensate for the temperature-induced effects on capacity, impedance, and OCV on a cell-by-cell basis, resulting in superior charge/ discharge and balancing control.

External MOSFET control inputs provide user- definable direct hardware control over MOSFET states. Smart control prevents excessive current through MOSFET body diodes. Auxiliary inputs can be used for enhanced safety and control in large multicell arrays.

The bq78PL114 is completely user-configurable, with parametric tables in flash memory to suit a variety of cell chemistries, operating conditions, safety controls, and data reporting needs. It is easily configured using the supplied bqWizard graphical user interface (GUI). The device is fully programmed and requires no algorithm or firmware development.

The bq78PL114 can be upgraded to the bq78PL114S12 by downloading the bq78PL114S12 firmware. The firmware can be downloaded using the bqWizard application or during manufacturing. Upgrading to the bq78Pl114S12 changes the functionality of the LED1-LED5, LEDEN, and N/C pin #29. The bq78PL114S12 pin functions of LED1/SEG1-LED5/SEG5, PSH/BP/TP, and FIELD support LED, LCD, and electronic paper displays (EPDs). The user can configure the bq78PL114S12 for the desired display type.

In this document all descriptions for the bq78PL114 apply to the bq78PL114S12 except where different bq78PL114S12 functionality is specifically described.

The bq78PL114 master gateway battery controller is part of a complete Li-Ion control, monitoring, and safety solution designed for large series cell strings.

The bq78PL114 and bq78PL114S12 along with bq76PL102 PowerLAN™ dual-cell monitors provide complete battery-system control, communications, and safety functions for a structure of three up to twelve series cells. This PowerLAN system provides simultaneous, synchronized voltage and current measurements using one A/D per-cell technology. This eliminates system-induced noise from measurements and allows the precise, continuous, real-time calculation of cell impedance under all operating conditions, even during widely fluctuating load conditions.

PowerPump technology transfers charge between cells to balance their voltage and capacity. Balancing is possible during all battery modes: charge, discharge, and rest. Highly efficient charge-transfer circuitry nearly eliminates energy loss while providing true real-time balance between cells, resulting in longer run-time and improved cycle life.

Temperature is sensed by up to 12 external sensors and one on-chip sensor. This permits accurate temperature monitoring of each cell individually. Firmware is then able to compensate for the temperature-induced effects on capacity, impedance, and OCV on a cell-by-cell basis, resulting in superior charge/ discharge and balancing control.

External MOSFET control inputs provide user- definable direct hardware control over MOSFET states. Smart control prevents excessive current through MOSFET body diodes. Auxiliary inputs can be used for enhanced safety and control in large multicell arrays.

The bq78PL114 is completely user-configurable, with parametric tables in flash memory to suit a variety of cell chemistries, operating conditions, safety controls, and data reporting needs. It is easily configured using the supplied bqWizard graphical user interface (GUI). The device is fully programmed and requires no algorithm or firmware development.

The bq78PL114 can be upgraded to the bq78PL114S12 by downloading the bq78PL114S12 firmware. The firmware can be downloaded using the bqWizard application or during manufacturing. Upgrading to the bq78Pl114S12 changes the functionality of the LED1-LED5, LEDEN, and N/C pin #29. The bq78PL114S12 pin functions of LED1/SEG1-LED5/SEG5, PSH/BP/TP, and FIELD support LED, LCD, and electronic paper displays (EPDs). The user can configure the bq78PL114S12 for the desired display type.

In this document all descriptions for the bq78PL114 apply to the bq78PL114S12 except where different bq78PL114S12 functionality is specifically described.

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技術資料

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種類 タイトル 最新の英語版をダウンロード 日付
* データシート PowerLAN Gateway Battery Management Controller with PowerPump Cell Balancing データシート (Rev. B) 2009年 4月 30日
アプリケーション・ノート Wide-Vin Battery-Charger Using SMBus MSP430 MCUs and bq Fuel Gauges (Rev. B) PDF | HTML 2019年 7月 12日
アプリケーション・ノート PowerPump(TM) Balancing (Rev. B) 2011年 10月 26日
アプリケーション・ノート SBData Commands For PowerLAN(TM) Master Gateway Controller 2011年 4月 14日
アプリケーション・ノート What is a .tmap File? (Rev. A) 2011年 3月 10日
ユーザー・ガイド bq78PL114 and bq78PL114S12 Technical Reference Manual (Rev. B) 2010年 5月 25日
アプリケーション・ノート Quick-Start Guide for BQ78PL114 with BQ76PL102 Family Gas Gauges 2010年 4月 26日
アプリケーション・ノート Chemistry Selection for the bq78PL114 (Rev. B) 2010年 2月 12日
EVM ユーザー ガイド (英語) bq78PL114 8S EVM (Rev. A) 2010年 1月 14日
アプリケーション・ノート bq78PL114 System Design Guidelines 2009年 12月 1日
アプリケーション・ノート Configuring the bq78PL114 Cell Count (Rev. A) 2009年 5月 20日

設計と開発

その他のアイテムや必要なリソースを参照するには、以下のタイトルをクリックして詳細ページをご覧ください。

アプリケーション・ソフトウェアとフレームワーク

BQ78PL11XAPI-SW bq78PL11X Application Programming Interface Software

This Application Programming Interface (API) is designed to support the production flow ofa PowerLAN Master Gateway controller based hardware. The methods provide a rich interfacefor calibrating, configuring, and updating firmware. This API is built on the .NET framework andcontains a COM visible (...)

lock = 輸出許可が必要 (1 分)
サポート対象の製品とハードウェア

サポート対象の製品とハードウェア

製品
バッテリ残量計
BQ78PL114 PowerPump セル・バランシング機能搭載、PowerLAN ゲートウェイ・バッテリ管理コントローラ BQ78PL116 PowerPump セル・バランシング・テクノロジー搭載、PowerLAN マスタ・ゲートウェイ・バッテリ管理コントローラ
ファームウェア

USB2GPIO-LOADER-SW — USB-GPIO EVM ファームウェア・ローダ

The USB-TO-GPIO EVM is shipped with firmware that is incompatible with HCE-BMS products (bq78PL114). The USB-TO-GPIO EVM must be reprogrammed for operation with BMS-HCE devices. This firmware loader is used to change the firmware in the USB-TO-GPIO EVM so that it can be used with the bq78PL114EVM.
サポート・ソフトウェア

BQWIZARD bqWizard Setup Version 3.1

The bqWizard™ application software allows the user to evaluate the condition, or state, of the battery Pack and Cells in the system. This software gives detailed insight into the workings of evaluation modules and user custom battery packs. The software is used to configure and setup (...)

lock = 輸出許可が必要 (1 分)
サポート対象の製品とハードウェア

サポート対象の製品とハードウェア

製品
バッテリ・モニタとバランサ
BQ76PL102 PowerPump セル・バランシング機能搭載、PowerLAN デュアル・セル・リチウムイオン・バッテリ・モニタ
バッテリ残量計
BQ78PL114 PowerPump セル・バランシング機能搭載、PowerLAN ゲートウェイ・バッテリ管理コントローラ BQ78PL116 PowerPump セル・バランシング・テクノロジー搭載、PowerLAN マスタ・ゲートウェイ・バッテリ管理コントローラ
ソフトウェア
アプリケーション・ソフトウェアとフレームワーク
BQWIZARD bqWizard™ アプリケーション・ソフトウェア
パッケージ ピン数 ダウンロード
VQFN (RGZ) 48 オプションの表示

購入と品質

記載されている情報:
  • RoHS
  • REACH
  • デバイスのマーキング
  • リード端子の仕上げ / ボールの原材料
  • MSL 定格 / ピーク リフロー
  • MTBF/FIT 推定値
  • 材質成分
  • 認定試験結果
  • 継続的な信頼性モニタ試験結果
記載されている情報:
  • ファブの拠点
  • 組み立てを実施した拠点

サポートとトレーニング

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