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BQ25882YFFR

I2C controlled, 2-cell, 2-A boost-mode battery charger for USB input

Packaging

Package | PIN: DSBGA (YFF) | 25
Temp: I (-40 to 85)
Carrier: Cut Tape
Qty Price
1-9 $4.43
10-24 $3.99
25-99 $3.72
100-249 $3.34
250-499 $3.12
500-749 $2.71
750-999 $2.35
1000+ $2.30

Features

  • 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-IonOutput
    • Selectable Low Power PFM Mode for Light LoadOperation 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 LowPower 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-VAbsolute Maximum Input Voltage Rating
    • Input Current Limit(500 mA to 3.3 A with 100-mA resolution) to Support USB2.0, USB3.0 StandardAdapters
    • Maximum Power Tracking by Input Voltage Limitup-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 DischargedBattery
    • Ideal Diode Operation in Battery SupplementMode
  • 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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Texas Instruments  BQ25882YFFR

The BQ25882is a highly-integrated 2-A switch-mode battery charge managementand system power path management device for dual-cell Li-Ion and Li-polymer batteries. TheI2C Serial interface with charging and system settings makes the devicea truly flexible solution.