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BQ24250CYFFR

2A Single Input I2C/Standalone Switch-Mode Li-Ion Battery Charger

Packaging

Package | PIN: YFF | 30
Temp: I (-40 to 85)
Carrier: Cut Tape
Qty Price
1-9 $3.92
10-24 $3.53
25-99 $3.29
100-249 $2.88
250-499 $2.70
500-749 $2.30
750-999 $1.94
1000+ $1.85

Features

  • 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
      (VOVP)
    • Programmable Safety Timer
  • Resistor Programmable Defaults for:
    • ICHG up to 2 A with Current Monitoring Output
      (ISET)
    • 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

Texas Instruments  BQ24250CYFFR

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.