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SMBus 1-4 cell Buck battery charge controller with N-Channel power MOSFET selector

BQ24725ARGRR X-Ray Inspection

X-Ray inspection ensures product integrity by detecting internal defects without damaging external packaging. It reduces failure rates and enhances production efficiency, making it indispensable in the electronics components industry.


BQ24725ARGRR General Description

In conclusion, the BQ24725ARGRR stands out as a high-performance battery charger that prioritizes efficiency, flexibility, and precision in multi-chemistry battery charging applications. With its innovative design and advanced features, this charger delivers reliable performance and customizable charging options, making it an excellent choice for a variety of battery charging scenarios

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Key Features

  • SMBus Host-controlled NMOS-NMOS synchronous buck converter with programmable 615kHz, 750kHz, and 885kHz switching frequencies
  • Automatic N-channel MOSFET selection of system power source from adapter or battery driven by internal charge pumps
  • Enhanced safety features for over voltage protection, over current protection, battery, inductor and MOSFET short circuit protection
  • Programmable input current, charge voltage, charge current limits
    • ±0.5% Charge voltage accuracy up to 19.2V
    • ±3% Charge current accuracy up to 8.128A
    • ±3% Input current accuracy up to 8.064A
    • ±2% 20x Adapter current or charge current amplifier output accuracy
  • Programmable battery depletion threshold, and battery LEARN function
  • Programmable adapter detection and indicator
  • Integrated soft start
  • Integrated loop compensation
  • Real time system control on ILIM pin to limit charge current
  • AC Adapter operating range 4.5V-24V
  • 5µA Off-state battery discharge current
  • 0.65mA (0.8mA max) Adapter standby quiescent current
  • 20-pin 3.5 x 3.5 mm2 VQFN Package
TI Original Stock
TI Inventory


Number of series cells 1, 2, 3, 4 Charge current (max) (A) 8
Vin (max) (V) 24 Cell chemistry Li-Ion/Li-Polymer
Battery charge voltage (min) (V) 1.024 Battery charge voltage (max) (V) 19.2
Absolute max Vin (max) (V) 30 Control topology Switch-Mode Buck
Control interface SMBus Features Input OVP, Power Path
Vin (min) (V) 4.5 Rating Catalog
Operating temperature range (°C) -40 to 85

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In Stock: 4,251

Minimum Order: 1

Qty. Unit Price Ext. Price
1+ $1.640 $1.64
10+ $1.509 $15.09
30+ $1.427 $42.81
100+ $0.610 $61.00
500+ $0.571 $285.50
1000+ $0.556 $556.00

The prices below are for reference only.