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バッテリ管理 IC
バッテリ チャージャ IC

BQ25960H

アクティブ

1.2-V IO搭載、I ² C、制御、シングルセル、8-A、スイッチトキャパシタ並列バッテリチャージャ

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データシート

BQ25960H

アクティブ
データシート ご注文はこちら

製品詳細

Rating Catalog Number of series cells 1 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4 Charge current (max) (A) 8 Features Input OVP, Integrated ADC Vin (min) (V) 3.5 Vin (max) (V) 12 Absolute max Vin (max) (V) 40 Control topology Flash Charger Battery charge voltage (min) (V) 3.5 Battery charge voltage (max) (V) 4.77 Control interface I2C Operating temperature range (°C) -40 to 85
Rating Catalog Number of series cells 1 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4 Charge current (max) (A) 8 Features Input OVP, Integrated ADC Vin (min) (V) 3.5 Vin (max) (V) 12 Absolute max Vin (max) (V) 40 Control topology Flash Charger Battery charge voltage (min) (V) 3.5 Battery charge voltage (max) (V) 4.77 Control interface I2C Operating temperature range (°C) -40 to 85
DSBGA (YBG) 36 5.76 mm² (0 mm × 0 mm)
  • 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
  • Provide gate drive signal for external OVP GaN FETs and OVP N-FETs
  • Support minimum 1.2V I2C pullup

  • 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 BQ25960H 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
  • Provide gate drive signal for external OVP GaN FETs and OVP N-FETs
  • Support minimum 1.2V I2C pullup

  • 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 BQ25960H 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 BQ25960H 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 BQ25960H 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 BQ25960H 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 BQ25960H 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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上位の文書 タイプ タイトル フォーマットオプション 最新の英語版をダウンロード 日付
* データシート BQ25960H I2 C Controlled, Single Cell 8-A Switched Cap Parallel Battery Charger with Integrated Bypass Mode and Dual-Input Selector データシート (Rev. A) PDF | HTML 2025/07/14
アプリケーション・ノート Measuring Efficiency for a Switch-Mode Battery Charger PDF | HTML 2024/10/09

設計と開発

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評価ボード

BQ25960HEVM — BQ25960H 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

BQ25960H 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 (ウェハー チップ スケール パッケージ) 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 BQ25960H を評価するための包括的なチャージャ モジュールです。BQ25960HEVM の定格は、最大入力電流が 5.75A、最大充電電流が 8A です。BQ25960HEVM は、包括的な高速充電設計を提示します。降圧チャージャである BQ25611D (...)
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