Product details


Number of series cells 1 Charge current (Max) (A) 2 Operating Vin (Max) (V) 10.5 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (Min) (V) 3.5 Battery charge voltage (Max) (V) 4.44 Absolute Vin (safety rating) (Max) ((V)) 20 Control topology Switch-Mode Buck Control interface I2C, Standalone (RC-Settable) Features BAT temp thermistor monitoring (JEITA profile), BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, Input OVP, Integrated LDO, Power Path Operating Vin (Min) (V) 4.35 Rating Catalog open-in-new Find other Battery charger ICs

Package | Pins | Size

DSBGA (YFF) 30 6 mm² 2.427 x 2.027 open-in-new Find other Battery charger ICs


  • High-efficiency Switch-mode Charger with Separate Power Path
  • Start up System from Deeply Discharged or Missing Battery
  • USB Charging Compliant
    • Selectable Input Current Limit of 100 mA, 500 mA, 900 mA,\
      1.5 A, and 2 A
  • In Host Mode (After I2C Communication Starts and Before
    Watchdog Timer Times Out)
    • Programmable Battery Charge Voltage, VBATREG
    • Programmable Charge Current (ICHG)
    • Programmable Input Current Limit (ILIM)
    • Programmable Input Voltage Based Dynamic Power
      Management threshold, (VIN_DPM)
    • Programmable Input Overvoltage Protection Threshold
    • Programmable Safety Timer
  • Resistor Programmable Defaults for:
    • ICHG up to 2 A with Current Monitoring Output
    • ILIM up to 2 A with Current Monitoring Output (ILIM)
    • VIN_DPM (VDPM)
  • Watchdog Timer Disable Bit
  • Integrated 4.9 V, 50 mA LDO
  • Complete System Level Protection
    • Input UVLO, Input Over-voltage Protection (OVP),
      Battery OVP, Sleep Mode, VIN_DPM
    • Input Current Limit
    • Charge Current Limit
    • Thermal Regulation
    • Thermal Shutdown
    • Voltage Based NTC Monitoring Input
    • Safety Timer
  • 20 V Maximum Input Voltage Rating
  • 10.5 V Maximum Operating Input Voltage
  • Low RDS(on) Integrated Power FETs for up to 2 A
    Charging Rate
  • Open Drain Status Outputs
  • Synchronous Fixed-frequency PWM Controller Operating at
    3MHz for Small Inductor Support
  • Robust Battery Detection Algorithm
  • Charge Time Optimizer for improved charge times at any given
    charge current
  • 2.4 × 2.0 mm 30-ball WCSP Packages
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The bq24250C is a highly integrated single-cell Li-Ion battery charger and system power-path management device targeted for space-limited, portable applications with high capacity batteries. The single cell charger has a single input that operates from either a USB port or AC wall adapter for a versatile solution.

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Technical documentation

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Type Title Date
* Data sheet bq24250C 2A Single Input I2C, Standalone Switch-Mode Li-Ion Battery Charger with Power-Path Management datasheet Apr. 16, 2014
Technical article When to use rechargeable batteries in small battery applications Oct. 01, 2019
Technical article Should I use a linear charger or a switching charger? Oct. 31, 2015
Technical article Summertime and the livin' is easy Jun. 20, 2014

Design & development

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Hardware development

document-generic User guide

This EVM enables test and evaluation of the Texas Instruments' bq24250/51/57 devices. The bq2425x series are highly integrated single cell Li-Ion battery chargers targeted for space-limited, portable applications with high capacity batteries. The single cell charger has a single input that operates (...)

  • High-efficiency switch-mode charger
  • Synchronous fixed-frequency PWM controller operating at 3MHz for small inductor support
  • USB charging compliant
  • Integrated 50mA LDO
  • Integrated power FETs for up to 2.0A charging rate
  • Complete system level protection
  • BC1.2 D+/D- detection with dead battery provision (DBP (...)

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