ホーム バッテリ管理 IC バッテリ残量計
ホーム
バッテリ管理 IC
バッテリ残量計

BQ27000

新規設計での使用を推奨しません

単セル・リチウムイオン/リチウムポリマー・バッテリー残量計 IC

ご注文はこちら
データシート

BQ27000

新規設計での使用を推奨しません
データシート ご注文はこちら

製品詳細

Cell chemistry Li-Ion/Li-Polymer Number of series cells Single Cell Communication interface HDQ Battery capacity (min) (mAh) 300 Battery capacity (max) (mAh) 6000 Implementation Pack External capacity indication None Operating temperature range (°C) -20 to 70 Rating Catalog
Cell chemistry Li-Ion/Li-Polymer Number of series cells Single Cell Communication interface HDQ Battery capacity (min) (mAh) 300 Battery capacity (max) (mAh) 6000 Implementation Pack External capacity indication None Operating temperature range (°C) -20 to 70 Rating Catalog
  • HDQ (bq27000) or I2C (bq27200) Communication
  • Reports Accurate Time-to-Empty With Measured Load and Historical Maximum and Standby Loads
  • Reports Temperature, Voltage, and Current
  • High Accuracy Charge and Discharge Current Integration with Automatic Offset Calibration
  • Requires No User Calibration
  • Programmable Input/Output Port
  • Internal User EEPROM Configuration Memory
  • Automatic Capacity Reduction With Age
  • Stable Oscillator Without External Components
  • Dynamic End-of-Discharge Detection Delay to Allow Use in a High-Dynamic Load Environment
  • Automatic Sleep Mode When Communication Lines are Low
  • Available in a Small 3 mm x 4 mm QFN Package
  • Five Low-Power Operating Modes
    • Active: < 90 µA
    • Sleep: < 2.5 µA
    • Ship: < 2 µA (bq27000 only)
    • Hibernate: < 1.5 µA
    • Data Retention: < 20 nA
  • APPLICATIONS
    • PDA
    • Smart Phones
    • MP3 Players
    • Digital Cameras
    • Internet Appliances
    • Handheld Devices

bqJUNIOR is a trademark of Texas Instruments.
  • HDQ (bq27000) or I2C (bq27200) Communication
  • Reports Accurate Time-to-Empty With Measured Load and Historical Maximum and Standby Loads
  • Reports Temperature, Voltage, and Current
  • High Accuracy Charge and Discharge Current Integration with Automatic Offset Calibration
  • Requires No User Calibration
  • Programmable Input/Output Port
  • Internal User EEPROM Configuration Memory
  • Automatic Capacity Reduction With Age
  • Stable Oscillator Without External Components
  • Dynamic End-of-Discharge Detection Delay to Allow Use in a High-Dynamic Load Environment
  • Automatic Sleep Mode When Communication Lines are Low
  • Available in a Small 3 mm x 4 mm QFN Package
  • Five Low-Power Operating Modes
    • Active: < 90 µA
    • Sleep: < 2.5 µA
    • Ship: < 2 µA (bq27000 only)
    • Hibernate: < 1.5 µA
    • Data Retention: < 20 nA
  • APPLICATIONS
    • PDA
    • Smart Phones
    • MP3 Players
    • Digital Cameras
    • Internet Appliances
    • Handheld Devices

bqJUNIOR is a trademark of Texas Instruments.

The bqJUNIOR™ series are highly accurate stand-alone single-cell Li-Ion and Li-Pol battery capacity monitoring and reporting devices targeted at space-limited, portable applications. The IC monitors a voltage drop across a small current sense resistor connected in series with the battery to determine charge and discharge activity of the battery. Compensations for battery temperature, self-discharge, and discharge rate are applied to the capacity measurments to provide available time-to-empty information across a wide range of operating conditions. Battery capacity is automatically recalibrated, or learned, in the course of a discharge cycle from full to empty. Internal registers include current, capacity, time-to-empty, state-of-charge, cell temperature and voltage, status, and more.

The bqJUNIOR can operate directly from single-cell Li-Ion and Li-Pol batteries and communicates to the system over a HDQ one-wire or I2C serial interface.

The bqJUNIOR™ series are highly accurate stand-alone single-cell Li-Ion and Li-Pol battery capacity monitoring and reporting devices targeted at space-limited, portable applications. The IC monitors a voltage drop across a small current sense resistor connected in series with the battery to determine charge and discharge activity of the battery. Compensations for battery temperature, self-discharge, and discharge rate are applied to the capacity measurments to provide available time-to-empty information across a wide range of operating conditions. Battery capacity is automatically recalibrated, or learned, in the course of a discharge cycle from full to empty. Internal registers include current, capacity, time-to-empty, state-of-charge, cell temperature and voltage, status, and more.

The bqJUNIOR can operate directly from single-cell Li-Ion and Li-Pol batteries and communicates to the system over a HDQ one-wire or I2C serial interface.
filter その他の バッテリ残量計 を検索
ダウンロード

技術資料

star =TI が選定したこの製品の主要ドキュメント
結果が見つかりませんでした。検索条件をクリアしてから、再度検索を試してください。
1 をすべて表示
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 Single-Cell Li-Ion and Li-Pol Battery Gas Gauge IC For Portable Applications データシート (Rev. D) 2006年 2月 27日

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
  • 使用原材料
  • 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