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BQ25882YFFR

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

Availability: 5,557

Packaging

Package | PIN: DSBGA (YFF) | 25
Temp: I (-40 to 85)
Carrier: Cut Tape
Qty Price
1-9 $4.05
10-24 $3.64
25-99 $3.40
100-249 $3.05
250-499 $2.85
500-749 $2.48
750-999 $2.14
1000+ $2.10

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 chargemanagement 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 thedevice a truly flexible solution.