Product details


Number of series cells 2 Charge current (Max) (A) 2 Operating Vin (Max) (V) 6.2 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (Min) (V) 6.8 Battery charge voltage (Max) (V) 9.2 Absolute Vin (safety rating) (Max) ((V)) 20 Control interface I2C Features BAT temp thermistor monitoring (JEITA profile), IC thermal regulation, ICO (Input Current Optimization), IINDPM (Input current limit), Input OVP, Integrated ADC, Integrated LDO, Power Path, USB C/PD compatible, USB D+/D-/BC1.2 integrated, USB OTG integrated, VINDPM (Input voltage threshold to maximize adaptor power) Operating Vin (Min) (V) 3.9 Rating Catalog open-in-new Find other Battery charger ICs

Package | Pins | Size

DSBGA (YFF) 25 5 mm² 2.145 x 2.145 open-in-new Find other Battery charger ICs


  • High-efficiency 2-A, 1.5-MHz switch mode boost charger
    • 92.5% Charge efficiency at 7.6-V battery, 1-A charge
    • Optimized for USB input and 2-cell Li-Ion output
    • Selectable low power PFM mode for light load operation with out-of-audio option
  • USB On-the-Go (OTG) with adjustable output from 4.5 V to 5.5 V
    • Buck converter with up-to 2-A output
    • 94.5% Efficiency at 5-V, 1-A output
    • Accurate constant current (CC) limit
    • Output short protection
    • Selectable low power PFM mode for light load operation with out-of-audio option
  • Single Input to support USB input adapters
    • Supports 3.9-V to 6.2-V input voltage range with 20-V absolute maximum input voltage rating
    • Input current limit (500 mA to 3.3 A with 100-mA resolution) to support USB2.0, USB3.0 standard adapters
    • Maximum power tracking by input voltage limit up-to 5.5 V
    • Auto-detect USB SDP, CDP, DCP, and non-standard adapters
  • Input current optimizer (ICO) to maximize input power without overloading adapters
  • Highest battery discharge efficiency with 15-mΩ battery discharge MOSFET
  • Integrated ADC for system monitoring (BUS voltage and current, BAT voltage, charge current, SYS voltage, and NTC and die temperature)
  • Narrow VDC (NVDC) power path management
    • Instant-on works with no battery or deeply discharged battery
    • Ideal diode operation in battery supplement mode
  • Flexible autonomous and I2C mode for optimal system performance
  • High integration includes all MOSFETs, current sensing and loop compensation
  • High accuracy
    • ±0.4% Charge voltage regulation
    • ±7.5% Charge current regulation
    • ±7.5% Input current regulation
  • Safety
    • Battery temperature sensing in charge and OTG buck mode
    • Thermal regulation and thermal shutdown
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The BQ25882 is a highly-integrated 2-A switch-mode battery charge management and system power path management device for dual-cell Li-Ion and Li-polymer batteries. The I2C Serial interface with charging and system settings makes the device a truly flexible solution.

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Technical documentation

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Type Title Date
* Data sheet BQ25882 I2C Controlled, 2-Cell, 2-A Boost-Mode Battery Charger For USB Input datasheet (Rev. C) Jul. 29, 2019
Technical article When to use rechargeable batteries in small battery applications Oct. 01, 2019
Technical article Battery-charging tips for video doorbell applications Apr. 15, 2019
Technical article 4 Reasons why you should use a boost charger for 2-cell battery application Apr. 03, 2019
User guide bq2588x Boosting Battery Chargers Evaluation Module User's Guide (Rev. A) Aug. 21, 2018
Technical article Should I use a linear charger or a switching charger? Oct. 31, 2015

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

document-generic User guide

The EV2400 EVM interface board enables an IBM-compatible or other type PC (with the required driver for its particular platform) to communicate with the Texas Instruments SMBus or I2C interface gas gauges via a Universal Serial Bus (USB) port. In addition to this board, PC software is required to (...)

  • Fully powered from the USB port
  • Optional 5-V port for powering high power voltage drivers (future upgrade)
  • Complete interface between the USB and SMBus, I2C (8/16) interfaces
  • Expansion port for future upgrades

Reference designs

2-cell boost charge system reference design with 5-V USB
PMP40496 — This 5-V USB, 2-cell battery boost charger reference design includes a charger system and a 2-cell battery holder with a gauge that can be connected by a cable or work independently. The key components of the charger system include the BQ25883 boost charger, TUSB320LAI Type-C CC logic, MSP430FR2433 (...)
document-generic Schematic

CAD/CAE symbols

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DSBGA (YFF) 25 View options

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