BQ25960

アクティブ

バイパス機能とデュアル入力セレクタ搭載、I2C 制御、1 セル、8A、スイッチト・キャパシタ並列バッテリ・チャージャ

製品詳細

Number of series cells 1 Charge current (Max) (A) 8 Operating Vin (Max) (V) 12 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4 Battery charge voltage (Min) (V) 3.5 Battery charge voltage (Max) (V) 4.77 Absolute Vin (safety rating) (Max) ((V)) 40 Control interface I2C Features Input OVP, Integrated ADC Operating Vin (Min) (V) 3.5 Rating Catalog
Number of series cells 1 Charge current (Max) (A) 8 Operating Vin (Max) (V) 12 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4 Battery charge voltage (Min) (V) 3.5 Battery charge voltage (Max) (V) 4.77 Absolute Vin (safety rating) (Max) ((V)) 40 Control interface I2C Features Input OVP, Integrated ADC Operating Vin (Min) (V) 3.5 Rating Catalog
DSBGA (YBG) 36 7 mm² 2.552 x 2.552
  • 98.1% peak efficiency switched cap parallel charger supporting 8-A fast charge
  • Patent pending dual phase switched cap architecture optimized for highest efficiency
    • Input voltage is 2x battery voltage
    • Output current is 2x of input current
    • Reduces power loss across input cable
  • Integrated 5-A Bypass Mode fast charge
    • 21-mΩ Rdson charging path resistance to support 5-A input and 5-A output charging current
  • Dual-input power mux controller for source selection during fast charging and USB On-The-Go (OTG)/ reverse TX Mode
  • Support wide range of input voltage

    • Up to 12.75-V operational input voltage

    • Maximum 40-V input voltage with optional external ACFET and 20-V without external ACFET

  • Parallel charging with synchronized dual BQ25960 operations for up to 13-A charging current

  • Integrated programmable protection features for safe operation
    • Input overvoltage protection (BUSOVP) and battery overvoltage protection (BATOVP)
    • Input overcurrent protection (BUSOCP) and battery overcurrent protection (BATOCP)
    • Output overvoltage protection (VOUTOVP)
    • Input undercurrent protection (BUSUCP) and input reverse-current protection (BUSRCP) to detect adapter unplug and prevent boost-back
    • Battery and connector temperature monitoring (TSBAT_FLT and TSBUS_FLT)
    • Junction overtemperature protection (TDIE_FLT)
  • Programmable settings for system optimization
    • Interrupts and interrupt masks
    • ADC readings and configuration
    • Alarm functions for host control

  • Integrated 16-bit ADC for voltage, current, and temperature monitoring
  • 98.1% peak efficiency switched cap parallel charger supporting 8-A fast charge
  • Patent pending dual phase switched cap architecture optimized for highest efficiency
    • Input voltage is 2x battery voltage
    • Output current is 2x of input current
    • Reduces power loss across input cable
  • Integrated 5-A Bypass Mode fast charge
    • 21-mΩ Rdson charging path resistance to support 5-A input and 5-A output charging current
  • Dual-input power mux controller for source selection during fast charging and USB On-The-Go (OTG)/ reverse TX Mode
  • Support wide range of input voltage

    • Up to 12.75-V operational input voltage

    • Maximum 40-V input voltage with optional external ACFET and 20-V without external ACFET

  • Parallel charging with synchronized dual BQ25960 operations for up to 13-A charging current

  • Integrated programmable protection features for safe operation
    • Input overvoltage protection (BUSOVP) and battery overvoltage protection (BATOVP)
    • Input overcurrent protection (BUSOCP) and battery overcurrent protection (BATOCP)
    • Output overvoltage protection (VOUTOVP)
    • Input undercurrent protection (BUSUCP) and input reverse-current protection (BUSRCP) to detect adapter unplug and prevent boost-back
    • Battery and connector temperature monitoring (TSBAT_FLT and TSBUS_FLT)
    • Junction overtemperature protection (TDIE_FLT)
  • Programmable settings for system optimization
    • Interrupts and interrupt masks
    • ADC readings and configuration
    • Alarm functions for host control

  • Integrated 16-bit ADC for voltage, current, and temperature monitoring

The BQ25960 is a 98.1% peak efficiency, 8-A battery charging solution using switch capacitor architecture for 1-cell Li-ion battery. The switched cap architecture allows the cable current to be half the charging current, reducing the cable power loss, and limiting temperature rise. The dual-phase architecture increases charging efficiency and reduces the input and output cap requirements. When used with a main charger such as BQ2561x or BQ2589x, the system enables full charging cycle from trickle charge to termination with low power loss at Constant Current (CC) and Constant Voltage (CV) Mode.

The BQ25960 supports 5-A Bypass Mode charge (previously called battery switch charge) through internal MOSFETs. The Rdson in Bypass Mode charging path is 21 mΩ for high-current operation. The integrated Bypass Mode allows backward compatibility of 5-V fast charging adapter to charge 1-cell battery.

The device supports dual input configuration through integrated mux control and driver for external N-FETs. It also allows single input with no external N-FET or single N-FET.

The device integrates all the necessary protection features to support safe charging, including input overvoltage and overcurrent protection, output overvoltage and overcurrent protection, input undercurrent and reverse-current protection, temperature sensing for the battery and cable, and junction overtemperature protection in both Switched Cap and Bypass Mode.

The device includes a 16-bit analog-to-digital converter (ADC) to provide VAC voltage, bus voltage, bus current, output voltage, battery voltage, battery current, input connector temperature, battery temperature, junction temperature, and other calculated measurements needed to manage the charging of the battery from the adapter, or wireless input, or power bank.

The BQ25960 is a 98.1% peak efficiency, 8-A battery charging solution using switch capacitor architecture for 1-cell Li-ion battery. The switched cap architecture allows the cable current to be half the charging current, reducing the cable power loss, and limiting temperature rise. The dual-phase architecture increases charging efficiency and reduces the input and output cap requirements. When used with a main charger such as BQ2561x or BQ2589x, the system enables full charging cycle from trickle charge to termination with low power loss at Constant Current (CC) and Constant Voltage (CV) Mode.

The BQ25960 supports 5-A Bypass Mode charge (previously called battery switch charge) through internal MOSFETs. The Rdson in Bypass Mode charging path is 21 mΩ for high-current operation. The integrated Bypass Mode allows backward compatibility of 5-V fast charging adapter to charge 1-cell battery.

The device supports dual input configuration through integrated mux control and driver for external N-FETs. It also allows single input with no external N-FET or single N-FET.

The device integrates all the necessary protection features to support safe charging, including input overvoltage and overcurrent protection, output overvoltage and overcurrent protection, input undercurrent and reverse-current protection, temperature sensing for the battery and cable, and junction overtemperature protection in both Switched Cap and Bypass Mode.

The device includes a 16-bit analog-to-digital converter (ADC) to provide VAC voltage, bus voltage, bus current, output voltage, battery voltage, battery current, input connector temperature, battery temperature, junction temperature, and other calculated measurements needed to manage the charging of the battery from the adapter, or wireless input, or power bank.

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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 BQ25960 I2C 制御、シングルセル、8A スイッチド・キャパシタ並列バッテリ充電器 データシート 2021年 2月 17日
EVM ユーザー ガイド (英語) BQ25960EVM (BMS041) Evaluation Module User's Guide PDF | HTML 2021年 4月 13日
技術記事 When to use rechargeable batteries in small battery applications 2019年 10月 1日
技術記事 Should I use a linear charger or a switching charger? 2015年 10月 31日
技術記事 Summertime and the livin' is easy 2014年 6月 20日

設計および開発

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評価ボード

BQ25960EVM — BQ25960 I2C 制御、1 セル、8A、スイッチト・キャパシタ並列バッテリ・チャージャの評価基板

BQ25960EVM 評価基板 (EVM) は、多様なスマートフォンとタブレットが搭載している 1 セルのリチウムイオン / リチウムポリマ・バッテリを対象とする、WCSP パッケージに封止の高集積スイッチト・キャパシタ・バッテリ・チャージャである BQ25960 を評価するための包括的なチャージャ・モジュールです。BQ25960EVM は、高速充電に対応する包括的な充電ソリューションを提示します。代表的な使用方法は、降圧チャージャ BQ25611D のプリチャージと充電終了機能を利用しながら、実現可能な最大級の効率を達成できるように、BQ25960 (...)
ドライバまたはライブラリ

BQ25980SW-LINUX — Linux Driver for BQ25980

この Linux ドライバは、I2C 制御、2 セル、8A スイッチ・キャパシタ並列バッテリ・チャージャである BQ25980 をサポートしています。また、この Linux ドライバは I2C バス経由の通信をサポートしており、電源サブシステムとのインターフェイスとして機能します。

Linux のメインライン・ステータス

Linux メインラインで利用可能か:はい
git.ti.com から入手可能か:いいえ

Linux ソース・ファイル

このデバイスに関連付けられているファイル:

  1. drivers/power/supply/bq25980_charger.c
  2. (...)
パッケージ ピン数 ダウンロード
DSBGA (YBG) 36 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 rating / リフローピーク温度
  • MTBF/FIT 推定値
  • 原材料組成
  • 認定試験結果
  • 継続的な信頼性モニタ試験結果

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