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

Availability: 1,485


Package | PIN: VQFN (RGE) | 24
Temp: I (-40 to 85)
Package qty | Carrier: 250 | SMALL T&R
Qty Price
1-99 $3.91
100-249 $3.51
250-999 $2.51
1,000+ $2.13


  • High-efficiency 2-A, 1.5MHz switch mode boost charger
    • 93.4% Charge efficiency at 5V adapter, 7.6-V battery, 1-Acharge
    • Optimized for USB input and 2-cell Li-Ion battery
    • Selectable low power PFMmode for light load operation
  • Single input to support USB input adapters
    • Supports3.9 V – 6.2 V input voltage range with 20-V absolute maximum inputvoltage 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
    • 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 dischargeMOSFET
    • 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 shortprotection
    • Selectable low power PFM mode for light load operation with out-of-audiooption
  • 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 andthermal shutdown

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Texas Instruments  BQ25883RGET

The BQ25883 is a highly-integrated 2-A boost switch-mode batterycharge management and system power path managementdevice for 2-cell (2s) Li-Ion and Li-polymer battery. TheBQ25883 has I2C control with OTG and power path.