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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Cut Tape (CT) | Tape & Reel (TR)
Battery Chemistry Multi-Chemistry
Number of Cells 1 ~ 4
Current - Charging -
Programmable Features -
Fault Protection Over Current, Over Voltage, Short Circuit
Charge Current - Max -
Battery Pack Voltage 16.8V
Voltage - Supply (Max) 24V
Interface I2C
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 20-VFQFN Exposed Pad
Supplier Device Package 20-VQFN (3.5x3.5)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Texas Instruments BQ24735RGRR is a highly integrated multi-chemistry battery charger controller designed for 1 to 4 series cell applications. Supporting a maximum battery pack voltage of 16.8V, this IC provides a flexible solution for various portable electronics. It features an I2C interface for precise control and includes essential fault protections such as Over Current, Over Voltage, and Short Circuit. Housed in a compact 20-VFQFN package, it operates reliably across a wide temperature range from -40°C to 85°C, making it suitable for demanding applications.

  • Versatile Multi-Chemistry support allows designers to use the same charger IC across different battery technologies, simplifying inventory management.
  • I2C interface enables dynamic system monitoring and control for optimized charging algorithms.
  • Comprehensive Over Current, Over Voltage, and Short Circuit protection ensures safe operation in fault conditions.
  • Wide -40°C to 85°C temperature range supports industrial-grade applications.

Multi-Chemistry Portable Devices

The BQ24735RGRR's Multi-Chemistry support and I2C interface make it ideal for high-end portable electronics that may use different battery types, allowing flexible system design.

Notebook and Ultrabook Power Management

With support for 1 to 4 cells and a 16.8V pack voltage, this charger is well-suited for notebook and ultrabook battery charging applications.

Industrial Handheld Terminals

Its -40°C to 85°C operating range ensures reliable charging in industrial handheld devices used in demanding environments.

Medical Monitoring Equipment

The integrated Over Voltage and Short Circuit protection ensures safe charging for sensitive medical devices that rely on multi-chemistry battery packs.

Custom Battery Charging Stations

The I2C interface allows for precise control and monitoring, making it suitable for custom charging stations that need to handle various battery chemistries.

Q: What battery chemistries does the BQ24735RGRR support?
A: The BQ24735RGRR supports Multi-Chemistry battery types, making it versatile for various battery technologies.
Q: How many battery cells can this charger manage?
A: It is designed to manage 1 to 4 series battery cells.
Q: What is the maximum battery pack voltage for this IC?
A: The maximum battery pack voltage is 16.8V.
Q: What fault protections are integrated?
A: It includes Over Current, Over Voltage, and Short Circuit protection.
Q: What control interface does it use?
A: It uses an I2C interface for communication and control.
Q: What is the operating temperature range?
A: The operating temperature range is -40°C to 85°C (TA).
Base Product Number : BQ24735
1-4 Cells 16.8V Battery Charger I2C Multi-Chemistry Texas Instruments VFQFN-20
Q: What battery chemistries does the BQ24735RGRR support?
A: The BQ24735RGRR supports Multi-Chemistry battery types, making it versatile for various battery technologies.
Q: How many battery cells can this charger manage?
A: It is designed to manage 1 to 4 series battery cells.
Q: What is the maximum battery pack voltage for this IC?
A: The maximum battery pack voltage is 16.8V.
Q: What fault protections are integrated?
A: It includes Over Current, Over Voltage, and Short Circuit protection.
Q: What control interface does it use?
A: It uses an I2C interface for communication and control.
Q: What is the operating temperature range?
A: The operating temperature range is -40°C to 85°C (TA).