BQ24250CYFFR Power Path Management IC Battery Management Battery Charger
power management integrated circuit
,microchip battery management
BQ24250CYFFR Power Path Management IC Battery Management Battery Charger
1 Features
- High-efficiency Switch-mode Charger with Separate Power Path
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Start up System from Deeply Discharged or Missing Battery
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USB Charging Compliant
– Selectable Input Current Limit of 100 mA, 500 mA, 900 mA, 1.5 A, and 2 A
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In Host Mode (After I2C Communication Starts and Before Watchdog Timer Times Out)
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– Programmable Battery Charge Voltage, VBATREG
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– Programmable Charge Current (ICHG)
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– Programmable Input Current Limit (ILIM)
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– Programmable Input Voltage Based Dynamic Power Management threshold, (VIN_DPM)
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– Programmable Input Overvoltage Protection Threshold (VOVP)
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– Programmable Safety Timer
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Resistor Programmable Defaults for:
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– ICHG up to 2 A with Current Monitoring Output (ISET)
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– ILIM up to 2 A with Current Monitoring Output (ILIM)
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Integrated 4.9 V, 50 mA LDO
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Complete System Level Protection
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– Input UVLO, Input Over-voltage Protection (OVP), Battery OVP, Sleep Mode, VIN_DPM
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– Input Current Limit
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– Charge Current Limit
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– Thermal Regulation
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– Thermal Shutdown
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– Voltage Based NTC Monitoring Input
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– Safety Timer
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20 V Maximum Input Voltage Rating
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10.5 V Maximum Operating Input Voltage
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Low RDS(on) Integrated Power FETs for up to 2 A Charging Rate
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Open Drain Status Outputs
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Synchronous Fixed-frequency PWM Controller Operating at 3MHz for Small Inductor Support
• AnyBoot Robust Battery Detection Algorithm
• Charge Time Optimizer for improved charge times
at any given charge current
• 2.4 x 2.0 mm 30-ball WCSP Packages
2 Applications
• Smart Phones
• MP3 Players
• Portable Media Players • Handheld Devices
3 Description
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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PART NUMBER |
PACKAGE |
BODY SIZE |
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bq24250C |
DSBGA (30) |
2.427 mm × 2.027 mm |
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