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.
● 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
