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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Cut Tape (CT) | Tape & Reel (TR)
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features -
Fault Protection Over Current, Over Temperature, Over Voltage
Charge Current - Max 2A
Battery Pack Voltage 4.2V
Voltage - Supply (Max) 6.2V
Interface I2C, USB
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 24-VFQFN Exposed Pad
Supplier Device Package 24-VQFN (4x4)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The BQ24259RGET from Texas Instruments is a highly integrated switch-mode battery charge management IC for single-cell Lithium Ion/Polymer batteries. It supports a charge current up to 2A and regulates the battery at 4.2V. Featuring I2C and USB interfaces, it offers flexible system configuration. The device includes comprehensive protections such as overcurrent, overvoltage, and overtemperature. Housed in a 24-VFQFN package, it operates over an industrial temperature range of -40°C to 85°C, making it suitable for a wide array of portable and industrial applications.

  • High Charge Current: Supports up to 2A, reducing charging time for power-hungry devices.
  • Flexible Control: I2C interface allows dynamic adjustment of charging parameters for optimized performance.
  • Comprehensive Protection: Overcurrent, overvoltage, and overtemperature safeguards ensure safe operation.
  • Industrial Temperature Range: Reliable from -40°C to 85°C, suitable for demanding environments.

Smartphones and Tablets

With a 2A charge current and I2C interface, it enables fast and configurable charging for single-cell Li-Ion batteries in modern mobile devices.

Portable Power Banks

The USB interface and robust protection suite make it an excellent choice for power banks that need to safely manage high-capacity single-cell batteries.

Wearable Devices

Its compact 24-VFQFN package and I2C programmability allow for tailored charging profiles in smartwatches and fitness trackers.

Industrial Handhelds

The -40°C to 85°C operating range ensures reliable charging in rugged handheld scanners and PDAs used in warehouses and field operations.

Digital Cameras and Drones

High current capability and overvoltage protection support the demanding power needs of photography and hobbyist drone batteries.

Q: What battery chemistry does the BQ24259RGET support?
A: It is designed for Lithium Ion/Polymer batteries.
Q: How many cells can it charge?
A: It supports a single cell.
Q: What is the maximum charge current?
A: The maximum charge current is 2A.
Q: What is the battery regulation voltage?
A: The battery voltage is regulated at 4.2V.
Q: What fault protections are included?
A: It includes Over Current, Over Temperature, and Over Voltage protection.
Q: What interfaces are available?
A: It supports both I2C and USB interfaces.
Base Product Number : BQ24259
24-VFQFN 2A 4.2V Battery Charger I2C Lithium Ion/Polymer Switch-Mode Battery Charger Texas Instruments USB
Q: What battery chemistry does the BQ24259RGET support?
A: It is designed for Lithium Ion/Polymer batteries.
Q: How many cells can it charge?
A: It supports a single cell.
Q: What is the maximum charge current?
A: The maximum charge current is 2A.
Q: What is the battery regulation voltage?
A: The battery voltage is regulated at 4.2V.
Q: What fault protections are included?
A: It includes Over Current, Over Temperature, and Over Voltage protection.
Q: What interfaces are available?
A: It supports both I2C and USB interfaces.