text.skipToContent text.skipToNavigation


I2C controlled, 2-cell, 2-A boost-mode battery charger with cell balancing

Inventory: 1,125

Download data sheet for BQ25887
  |   View additional information for BQ25887

Packaging information

Package | Pins VQFN (RGE) | 24
Operating temperature range (°C) I (-40 to 85)
Package qty | Carrier: 250 | SMALL T&R
View more packaging information

Quality information

RoHS Yes
Lead finish / Ball material NIPDAU
MSL rating / Peak reflow Level-2-260C-1 YEAR
Material content View
DPPM / MTBF / Fit rate View
Qualification summary View
Ongoing reliability monitoring View
Device marking View


  • High-efficiency 2-A, 1.5-MHz switch mode boost charger
    • 93.4% Charge efficiency at 5-V adapter, 7.6-V battery, 1-Acharge
    • Optimized for USBinput and 2-cell Li-Ion battery
    • Selectable low power PFM mode for light loadoperation
  • Single input to support USB input adapters
    • Supports3.9-V to 6.2-V input voltage range with 20-V absolutemaximum input voltage rating
    • Input current limit (500 mAto 3.3 A with 100-mA resolution) to support USB2.0,USB3.0 standard adapters
    • Maximum power tracking by input voltage limitup-to 5.5 V
  • Cell balancing and I2C control
    • Integrated FETs for balancing current up to 400mA
    • Automatic cell balancing with default registersetting
  • 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, 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
    • Thermal regulation andthermal shutdown

All trademarks are the property of their respective owners.


The BQ25887 is ahighly-integrated 2-A boost switch-mode battery charge management device for 2-cell (2s) Li-Ion andLi-polymer battery. The BQ25887 has I2C control with cell balancingfor USB input.

Qty Price
1-99 $4.13
100-249 $3.37
250-999 $2.64
1,000+ $2.24

Alternative carriers

Part number BQ25887RGER
Package qty | Carrier 3,000 | LARGE T&R
Custom reel may be available
Inventory 7,384
Qty | Price (USD) 1ku | $1.95