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BQ25960

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I2C controlled 1-cell 8-A switched cap parallel battery charger with bypass and dual-input selector

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Data sheet

BQ25960

ACTIVE
Data sheet Order now

Product details

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 2.4 x 2.4
  • 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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* Data sheet BQ25960 I2 C Controlled, Single Cell 8-A Switched Cap Parallel Battery Charger with Integrated Bypass Mode and Dual-Input Selector datasheet (Rev. A) PDF | HTML 15 Jul 2025

Design & development

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Evaluation board

BQ25960EVM — BQ25960 I2C controlled 1-cell, 8-A switched cap parallel battery charger evaluation module

The BQ25960EVM evaluation module (EVM) is a complete charger module for evaluating the highly-integrated BQ25960 switched cap battery charger in WCSP package for 1-cell Li-ion and Li-polymer batteries in a wide range of smartphones and tablets. The BQ25960EVM presents a complete fast charging (...)
User guide: PDF | HTML
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Driver or library

BQ25980SW-LINUX — Linux driver for BQ25980

The Linux driver supports the BQ25980 I2C Controlled 2-cell, 8-A switched cap parallel battery charger. The Linux driver supports communication through the I2C bus and interfaces with the power supply sub-system.

Linux mainline status

Available in Linux mainline: Yes
Available through git.ti.com: No

(...)

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DSBGA (YBG) 36 Ultra Librarian
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