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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 Temperature, Over Voltage
Charge Current - Max 2.5A
Battery Pack Voltage 3.7V
Voltage - Supply (Max) 10V
Interface I2C
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 Texas Instruments BQ24161RGET is a versatile single-cell Lithium Ion/Polymer battery charger with an I2C interface. It provides up to 2.5A charge current for 3.7V battery packs, ideal for portable and IoT applications. The device includes Over Temperature and Over Voltage protection, ensuring safe charging in a compact 24-VFQFN package. Its wide operating temperature range of -40°C to 85°C makes it suitable for diverse environments.

  • Precise control: I2C interface allows digital programming and monitoring of charging parameters.
  • High current output: Delivers up to 2.5A for faster charging of single-cell batteries.
  • Robust protection: Over Temperature and Over Voltage safeguards extend battery life.
  • Compact footprint: 24-VFQFN package is ideal for space-constrained PCB designs.
  • Wide temperature range: Operates from -40°C to 85°C for industrial-grade reliability.

Smartphones and Tablets

Charge single-cell Lithium Ion/Polymer batteries in mobile devices with I2C-controlled charging and 2.5A current for rapid power replenishment.

Portable Power Banks

Manage charging in compact power banks, leveraging the 24-VFQFN package and Over Voltage protection to ensure safe operation with 3.7V cells.

Wearable Technology

Power smartwatches and fitness trackers that require precise I2C communication for battery monitoring and reliable Over Temperature protection.

Digital Cameras

Support rechargeable camera batteries with a 3.7V rating, providing consistent 2.5A charging in a compact form factor.

IoT Devices

Enable efficient charging in wireless sensors and smart home devices operating from -40°C to 85°C, ensuring durability in varied conditions.

Q: What battery chemistry is supported?
A: It supports Lithium Ion/Polymer batteries.
Q: How many cells can it charge?
A: It is designed for a single cell (1 cell).
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 is available?
A: It includes Over Temperature and Over Voltage protection.
Q: What interface does it use?
A: It uses an I2C interface for control.
Base Product Number : BQ24161
2.5A 24-VFQFN 3.7V Battery Charger I2C Lithium Ion/Polymer Single Cell
Q: What battery chemistry is supported?
A: It supports Lithium Ion/Polymer batteries.
Q: How many cells can it charge?
A: It is designed for a single cell (1 cell).
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 is available?
A: It includes Over Temperature and Over Voltage protection.
Q: What interface does it use?
A: It uses an I2C interface for control.