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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Marketplace | Cut Tape (CT)
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features Current, Timer
Fault Protection Over Temperature, Over Voltage
Charge Current - Max 1.55A
Battery Pack Voltage 4.44V (Max)
Voltage - Supply (Max) 9V
Interface I2C
Operating Temperature -30°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 20-UFBGA, DSBGA
Supplier Device Package 20-DSBGA
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The BQ24159YFFT is a switch-mode battery charger IC from Texas Instruments, designed for single-cell Lithium Ion/Polymer batteries. It supports a maximum charge current of 1.55A and a battery voltage up to 4.44V. The device features an I2C interface for advanced control and monitoring. With over-temperature and over-voltage protection, it ensures safe and reliable charging. The compact 20-UFBGA package is suitable for portable electronics.

  • Efficient Switching Topology: Provides higher efficiency than linear chargers, reducing heat dissipation.
  • Programmable via I2C: Allows dynamic adjustment of charge current and voltage for optimized charging.
  • Thermal and Voltage Protection: Over-temperature and over-voltage safeguards protect the battery and system.
  • Compact Package: The 20-UFBGA package is ideal for space-limited designs.

Smartphones and Phablets

With a 1.55A charge current and I2C control, this charger is ideal for mainstream smartphones, enabling efficient and safe charging of single-cell Li-Ion batteries.

Digital Cameras

For cameras with high-resolution sensors and power-hungry features, the BQ24159YFFT provides a reliable charging solution for quick battery replenishment.

Portable Media Players

Devices used for extended audio/video playback benefit from the charger's ability to safely manage the battery during frequent recharges.

Handheld GPS Units

Outdoor navigation devices require dependable charging; this IC's over-temperature and over-voltage protection ensures safe operation in varying conditions.

E-Readers

For e-readers with long battery life, this charger offers a balanced solution for periodic charging without excessive heat generation.

Q: What battery chemistries does the BQ24159YFFT support?
A: It supports Lithium Ion/Polymer batteries.
Q: How many cells can this charger handle?
A: It is designed for 1 cell.
Q: What is the maximum charge current?
A: The maximum charge current is 1.55A.
Q: What is the battery pack voltage?
A: The maximum battery pack voltage is 4.44V.
Q: What fault protections are included?
A: It includes Over Temperature and Over Voltage protection.
Q: What interface does it use?
A: It uses an I2C interface.
Base Product Number : BQ24159
1 Cell 1.55A 4.44V Battery Charger BQ24159 I2C Lithium Ion/Polymer Switch-Mode Charger UFBGA
Q: What battery chemistries does the BQ24159YFFT support?
A: It supports Lithium Ion/Polymer batteries.
Q: How many cells can this charger handle?
A: It is designed for 1 cell.
Q: What is the maximum charge current?
A: The maximum charge current is 1.55A.
Q: What is the battery pack voltage?
A: The maximum battery pack voltage is 4.44V.
Q: What fault protections are included?
A: It includes Over Temperature and Over Voltage protection.
Q: What interface does it use?
A: It uses an I2C interface.