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BQ25883

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2-cell, 2-A boost 2C controlled battery charger for USB input in a WQFN package

Data sheet
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2-cell, 2-A boost 2C controlled battery charger for USB input in a WQFN package

BQ25883

ACTIVE
Data sheet Order now

Product details

Parameters

Number of series cells 2 Charge current (Max) (A) 2.2 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 topology Switch-Mode Boost 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

VQFN (RGE) 24 16 mm² 4 x 4 open-in-new Find other Battery charger ICs

Features

  • High-efficiency 2-A, 1.5MHz switch mode boost charger
    • 93.4% Charge efficiency at 5V adapter, 7.6-V battery, 1-A charge
    • Optimized for USB input and 2-cell Li-Ion battery
    • Selectable low power PFM mode for light load operation
  • Single input to support USB input adapters
    • Supports 3.9 V – 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
    • Integrated USB D+/D- auto-detect USB SDP, CDP, DCP, and non-standard adapters
  • Power path management and I2C control
    • Highest battery discharge efficiency with 17mΩ battery discharge MOSFET
    • Narrow VDC (NVDC) power path management
      • Instant-on system on with no battery or deeply discharged battery
      • Ideal diode operation in battery supplement mode
  • USB on-the-go (OTG) with adjustable output from 4.5V to 5.5V
    • Buck converter with up-to 2 A output
    • 94% Efficiency at 5 V, 1 A output
    • Accurate constant current (CC) regulation and output short protection
    • Selectable low power PFM mode for light load operation with out-of-audio option
  • Input current optimizer (ICO) to maximize input power without overloading adapters
  • Integrated 16-bit ADC for system monitoring (BUS voltage and current, each cell voltage, charge current, SYS voltage, and NTC and die temperature)
  • High integration includes all MOSFETs, current sensing and loop compensation
  • High accuracy
    • ±0.5% Charge voltage regulation
    • ±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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Description

The BQ25883 is a highly-integrated 2-A boost switch-mode battery charge management and system power path management device for 2-cell (2s) Li-Ion and Li-polymer battery. The BQ25883 has I2C control with OTG and power path.

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Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 6
Type Title Date
* Datasheet BQ25883 2-Cell, 2-A Boost-Mode Battery Charger With Power Path, USB On-The-Go Boost (OTG) For USB Input datasheet (Rev. A) Apr. 12, 2019
Technical articles When to use rechargeable batteries in small battery applications Oct. 01, 2019
Technical articles 4 Reasons why you should use a boost charger for 2-cell battery application Apr. 03, 2019
User guides BQ25883 QFN boost-mode battery charger evaluation module Feb. 05, 2019
Technical articles Should I use a linear charger or a switching charger? Oct. 30, 2015
Technical articles Summertime and the livin' is easy Jun. 20, 2014

Design & development

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

Hardware development

EVALUATION BOARDS Download
document-generic User guide
99
Description
Charging 2-cell, 8.4-V battery packs from a legacy 5-V USB port requires a boost charger. The BQ25883 is a highly integrated 2-A boosting, 1.5-MHz switch-mode battery charge management with dynamic power-path management for 2-s Li-ion and Li-polymer batteries. The I2C serial interface with charging (...)
Features
  • Easily evaluate the high-efficiency 2-A, 1.5-MHz integrated field-effect-transistor (FET), switch-mode
  • Power Path Management allows Instant-on works with no battery or deeply discharged battery
  • Onboard USB input adapter for connecting to USB source and communication using the D+/D- function to set (...)
View details
EVALUATION BOARDS Download
document-generic User guide
99
Description
Charging 2-cell, 8.4-V battery from a legacy 5-V USB port requires a boost charger. The BQ25887 is a highly integrated 2-A boosting, 1.5-MHz switch-mode battery charge management with cell balancing for 2-s Li-ion and Li-polymer battery. The I2C serial interface with charging and cell balancing (...)
Features
  • Easily evaluate the high-efficiency 2-A, 1.5-MHz integrated field-effect-transistor (FET), switch-mode
  • Cell balancing feature to safely charge two discrete cells in series
  • Onboard USB input adapter for connecting to USB source and communication using the PSEL function to set default input current (...)
View details
INTERFACE ADAPTERS Download
document-generic User guide
199
Description

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 (...)

Features
  • 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
View details

Reference designs

REFERENCE DESIGNS Download
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 document-generic User guide

CAD/CAE symbols

Package Pins Download
VQFN (RGE) 24 View options

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