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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Marketplace | Cut Tape (CT)
Battery Chemistry Lithium Ion
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features -
Fault Protection Over Temperature, Short Circuit
Charge Current - Max 2.5A
Battery Pack Voltage 3.7V
Voltage - Supply (Max) 10V
Interface USB
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 49-UFBGA, DSBGA
Supplier Device Package 49-DSBGA (2.8x2.8)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Texas Instruments BQ24165YFFT is a highly integrated single-cell Lithium Ion battery charger IC. It delivers up to 2.5A charge current for a 3.7V battery pack, making it ideal for space-constrained portable devices. With a USB interface and built-in Over Temperature and Short Circuit protection, this charger ensures safe and efficient operation across a wide -40°C to 85°C temperature range. The compact 49-UFBGA package enables seamless integration into modern consumer electronics.

  • Fast charging capability: Supports up to 2.5A charge current, reducing charge time for single-cell Lithium Ion batteries.
  • Compact design: The 49-UFBGA package minimizes PCB footprint, ideal for space-limited portable applications.
  • Enhanced safety: Integrated Over Temperature and Short Circuit protection safeguards the battery and system.
  • Wide operating range: Functions reliably from -40°C to 85°C, suitable for demanding environments.
  • Simple integration: USB interface simplifies connectivity with standard power sources.

Portable Electronics

Charge single-cell Lithium Ion batteries in smartphones, tablets, and portable media players with a USB interface and up to 2.5A current for fast, reliable power management.

Handheld Medical Devices

Power glucose meters, blood pressure monitors, and portable diagnostic tools that require a compact 49-UFBGA package and robust Over Temperature protection for safe operation.

Wireless Peripherals

Support Bluetooth headsets, smartwatches, and wireless earbuds with a 3.7V battery pack, ensuring efficient charging through a standard USB connection.

Industrial Handhelds

Operate in demanding environments from -40°C to 85°C, making it suitable for rugged PDAs, barcode scanners, and field data loggers that need Short Circuit protection.

Consumer Gadgets

Integrate into digital cameras, portable speakers, and gaming controllers where a single-cell Lithium Ion battery and USB charging are standard requirements.

Q: What battery chemistry does the BQ24165YFFT support?
A: It is designed for Lithium Ion batteries.
Q: How many battery cells can this charger handle?
A: It supports a single cell (1 cell) configuration.
Q: What is the maximum charge current?
A: The maximum charge current is 2.5A.
Q: What is the battery pack voltage?
A: The battery pack voltage is 3.7V.
Q: What fault protection features are included?
A: It includes Over Temperature and Short Circuit protection.
Q: What interface does it use?
A: It uses a USB interface.
Base Product Number : BQ24165
2.5A 3.7V 49-UFBGA Battery Charger Lithium Ion Single Cell USB
Q: What battery chemistry does the BQ24165YFFT support?
A: It is designed for Lithium Ion batteries.
Q: How many battery cells can this charger handle?
A: It supports a single cell (1 cell) configuration.
Q: What is the maximum charge current?
A: The maximum charge current is 2.5A.
Q: What is the battery pack voltage?
A: The battery pack voltage is 3.7V.
Q: What fault protection features are included?
A: It includes Over Temperature and Short Circuit protection.
Q: What interface does it use?
A: It uses a USB interface.