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Product attributes Property Value
Manufacturer Texas Instruments
Product Series MaxCharge™
Packaging Cut Tape (CT) | Tape & Reel (TR)
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging -
Programmable Features -
Fault Protection Over Current, Over Temperature
Charge Current - Max 4A
Battery Pack Voltage -
Voltage - Supply (Max) 14V
Interface I2C, USB
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 42-UFBGA, DSBGA
Supplier Device Package 42-DSBGA (2.8x2.5)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Texas Instruments BQ25898YFFT is a high-current, single-cell battery charger for Lithium Ion and Lithium Polymer batteries. It supports a maximum charge current of 4A and offers both I2C and USB interfaces for flexible system integration. The device is housed in a compact 42-UFBGA package and includes overcurrent and overtemperature protection. Its wide operating temperature range makes it suitable for both consumer and industrial applications.

  • High-Speed Charging: 4A charge current significantly reduces charging time for large batteries.
  • Dual Interface: Supports both I2C and USB, providing flexibility in system design and control.
  • Wide Temperature Range: Operates from -40°C to 85°C, suitable for demanding environments.
  • Compact Package: The 42-UFBGA package saves valuable board space in portable devices.

High-Capacity Smartphones

The BQ25898YFFT's 4A charge current is ideal for large-capacity smartphone batteries, enabling rapid charging while maintaining safe temperature limits through its integrated protection.

Tablets and Laptops

For tablets and ultra-portable laptops, this charger provides the high current needed to charge large Li-Polymer batteries efficiently, with USB interface support for versatile power sources.

Drones

Drones require high-current charging for quick turnaround. The BQ25898YFFT's 4A capability and compact 42-UFBGA package make it suitable for this demanding application.

Portable Power Tools

In cordless power tools, the charger's high current and robust thermal management ensure batteries are recharged quickly and safely for continuous operation.

Industrial Handhelds

With an operating temperature range of -40°C to 85°C, this charger is suitable for rugged industrial handheld scanners and PDAs used in harsh environments.

Q: What battery chemistries are supported by the BQ25898YFFT?
A: It supports Lithium Ion and Lithium Polymer batteries.
Q: How many cells can it charge?
A: It is designed for single-cell (1) battery packs.
Q: What is the maximum charge current?
A: The maximum charge current is 4A, enabling high-speed charging.
Q: What interface options are available?
A: It supports both I2C and USB interfaces for flexible control.
Q: What fault protection is included?
A: It features Over Current and Over Temperature protection.
Q: What is the operating temperature range?
A: The operating temperature range is -40°C to 85°C.
Base Product Number : BQ25898
42-UFBGA 4A Battery Charger DSBGA High-Current I2C Lithium Ion/Polymer USB
Q: What battery chemistries are supported by the BQ25898YFFT?
A: It supports Lithium Ion and Lithium Polymer batteries.
Q: How many cells can it charge?
A: It is designed for single-cell (1) battery packs.
Q: What is the maximum charge current?
A: The maximum charge current is 4A, enabling high-speed charging.
Q: What interface options are available?
A: It supports both I2C and USB interfaces for flexible control.
Q: What fault protection is included?
A: It features Over Current and Over Temperature protection.
Q: What is the operating temperature range?
A: The operating temperature range is -40°C to 85°C.