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) 8.2 Battery charge voltage (Max) (V) 8.8 Absolute Vin (safety rating) (Max) ((V)) 20 Control interface Standalone (RC-Settable) Features BAT temp thermistor monitoring (JEITA profile), IC thermal regulation, ICO (Input Current Optimization), IINDPM (Input current limit), Input OVP, Power Path, 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
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) 8.2 Battery charge voltage (Max) (V) 8.8 Absolute Vin (safety rating) (Max) ((V)) 20 Control interface Standalone (RC-Settable) Features BAT temp thermistor monitoring (JEITA profile), IC thermal regulation, ICO (Input Current Optimization), IINDPM (Input current limit), Input OVP, Power Path, 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
VQFN (RGE) 24 16 mm² 4 x 4
  • High-efficiency 2-A, 1.5-MHz switch mode boost charger
    • 93.4% Charge efficiency at 5-V adapter, 7.6-V battery, 1-A charge
    • Optimized for USB input and 2-cell Li-Ion battery
  • Single input to support USB input adapters
    • Supports 4.3-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) to support USB2.0, USB3.0 standard adapters
    • Integrated USB D+/D- auto-detect USB SDP, CDP, DCP, and non-standard adapters
  • Standalone function with PowerPath management
    • Highest battery discharge efficiency with 17-mΩ battery discharge MOSFET
    • Narrow VDC (NVDC) PowerPath management
      • Instant-on works with no battery or deeply discharged battery
      • Ideal diode operation in battery supplement mode
    • Adjustable charge voltage with VSET pin supports 8.2 V, 8.4 V, 8.7 V, and 8.8 V
    • Adjustable charge current with ICHGSET pin supports 100 to 2200 mA
    • Adjustable input current limit with ILIM pin
  • Input current optimizer (ICO) to maximize input power without overloading adapters
  • 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
    • Thermal regulation and thermal shutdown
  • High-efficiency 2-A, 1.5-MHz switch mode boost charger
    • 93.4% Charge efficiency at 5-V adapter, 7.6-V battery, 1-A charge
    • Optimized for USB input and 2-cell Li-Ion battery
  • Single input to support USB input adapters
    • Supports 4.3-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) to support USB2.0, USB3.0 standard adapters
    • Integrated USB D+/D- auto-detect USB SDP, CDP, DCP, and non-standard adapters
  • Standalone function with PowerPath management
    • Highest battery discharge efficiency with 17-mΩ battery discharge MOSFET
    • Narrow VDC (NVDC) PowerPath management
      • Instant-on works with no battery or deeply discharged battery
      • Ideal diode operation in battery supplement mode
    • Adjustable charge voltage with VSET pin supports 8.2 V, 8.4 V, 8.7 V, and 8.8 V
    • Adjustable charge current with ICHGSET pin supports 100 to 2200 mA
    • Adjustable input current limit with ILIM pin
  • Input current optimizer (ICO) to maximize input power without overloading adapters
  • 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
    • Thermal regulation and thermal shutdown

The BQ25886 is a highly-integrated 2-A boost switch-mode battery charge management and system PowerPath management which enables instant power on and provides accurate termination control device for 2-cell (2s) Li-Ion and Li-polymer battery. The BQ25886 is a standalone solution with PowerPath and OTG.

The BQ25886 is a highly-integrated 2-A boost switch-mode battery charge management and system PowerPath management which enables instant power on and provides accurate termination control device for 2-cell (2s) Li-Ion and Li-polymer battery. The BQ25886 is a standalone solution with PowerPath and OTG.

Download

Similar products you might be interested in

open-in-new Compare products
Same functionality with different pin-out to the compared device.
BQ25883 ACTIVE I2C 2 cell 2A Boost battery charger for USB input in a WQFN package with Power Path This product is 2A, 2S I2C boost charger in a WQFN package
BQ25887 ACTIVE I2C 2 cell 2A Boost battery charger for USB input and integrated cell balancing This product is 2A, 2S I2C boost charger in a WQFN package and 400mA integrated Cell-balancing
Similar functionality to the compared device.
BQ25792 ACTIVE I2C controlled, 5-A, 1-4 cell buck-boost charger with dual-input selector and USB PD 3.0 OTG output This product is 5A, 1-4S I2C buck-boost switching charger with autonomous charging and integated FETs

Technical documentation

star = Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 6
Type Title Date
* Data sheet BQ25886 Standalone 2-Cell, 2-A Boost-Mode Battery Charger With PowerPath, USB BC1.2 Detection, and USB On-The-Go Boost (OTG) datasheet (Rev. A) PDF | HTML 10 Jun 2019
Technical article When to use rechargeable batteries in small battery applications 01 Oct 2019
Technical article 4 Reasons why you should use a boost charger for 2-cell battery application 03 Apr 2019
User guide BQ25886 QFN boost-mode battery charger evaluation module 05 Feb 2019
Technical article Should I use a linear charger or a switching charger? 31 Oct 2015
Technical article Summertime and the livin' is easy 20 Jun 2014

Design & development

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

Evaluation board

BQ25886EVM — Standalone boost battery chargers with power path evaluation module

A charging 2-cell, 8.4-V battery from a legacy 5-V USB port requires a boost charger. The BQ25886 evaluation module (EVM) is used for the BQ25886, a highly integrated 2-A boosting, 1.5-MHz switch-mode battery charge management with power path for 2s Li-Ion and Li-polymer battery. The (...)
User guide: PDF
Not available on TI.com
Interface adapter

EV2400 — USB-Based PC Interface Board for Battery Fuel (Gas) Gauge Evaluation Module

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 (...)

User guide: PDF
Not available on TI.com
Package Pins Download
VQFN (RGE) 24 View options

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos