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BQ25960

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具有旁路模式和双输入选择器的 I2C 控制型单节 8A 开关电容并联电池充电器

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BQ25960

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产品详情

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

  • 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 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.

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* 数据表 BQ25960 I2 C Controlled, Single Cell 8-A Switched Cap Parallel Battery Charger with Integrated Bypass Mode and Dual-Input Selector 数据表 (Rev. A) PDF | HTML 2025-7-15

设计与开发

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评估板

BQ25960EVM — BQ25960 I2C 控制型 8A 开关电容式 1 节并联电池充电器评估模块

BQ25960EVM 评估模块 (EVM) 是一种功能全面的充电器模块，用于评估采用 WCSP 封装的高度集成式 BQ25960 开关电容电池充电器，适用于各种智能手机和平板电脑中的单节锂离子和锂聚合物电池。BQ25960EVM 是一项完整且快速的充电解决方案。典型用例是供 BQ25611D 降压充电器进行预充电和充电终止，而其中一个或两个 BQ25960 开关电容充电器都进行快速充电，从而尽可能提高效率。
用户指南: PDF
支持的产品和硬件
驱动程序或库

BQ25980SW-LINUX — 适用于 BQ25980 的 Linux 驱动程序

Linux 驱动程序支持 I2C 控制型 8A 开关电容式两节并联电池充电器 BQ25980。Linux 驱动程序支持通过 I2C 总线和接口与电源子系统进行通信。

Linux 主线状态

在 Linux 主线中提供：是
可通过 git.ti.com 获取：否

Linux 源文件

与该器件关联的文件为：

  1. drivers/power/supply/bq25980_charger.c
  2. drivers/power/supply/bq25980_charger.h

源文件

drivers/power/supply/bq25980_charger.c

其他文件

(...)

支持的产品和硬件
封装 引脚 CAD 符号、封装和 3D 模型
DSBGA (YBG) 36 Ultra Librarian
适用于评估类项目的 TI 标准条款与条件。

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