BQ24251YFFR

Battery Chargers Overview

The BQ24251YFFR is a single-cell lithium-ion and lithium-polymer battery charger IC manufactured by Texas Instruments. It features an integrated power path management system with a 4A input current limit and a programmable 4A charge current. The device supports an input voltage range of 4.35V to 10.5V and utilizes an I2C interface for configuration. It operates within a temperature range of -40°C to +85°C and is housed in a 24-pin VQFN package.

Battery Chargers Feature Summary

• Integrates a high-efficiency synchronous step-down converter for charging
• Features automatic input current limiting to protect upstream power sources
• Includes programmable charge termination timer and thermal regulation
• Supports dynamic power management to balance system load and battery charging

Battery Chargers Applications

• Portable computing devices such as laptops and tablets
• Consumer electronics including smartphones and handheld gadgets
• Industrial equipment requiring reliable single-cell battery management
• Medical devices needing precise and safe charging profiles

Battery Chargers Procurement Notes

Verify the specific suffix YFFR against the manufacturer's latest datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with I2C address configurations required by the host system. Check for any recent product change notifications regarding pinout or electrical characteristics before finalizing procurement plans.

Battery Chargers Selection Notes

Select this component when a design requires high charge currents up to 4A with a wide input voltage range. It is suitable for applications where protecting the USB or wall adapter from overcurrent is critical. Consider the VQFN package size constraints and thermal dissipation requirements during PCB layout planning.

Battery Chargers Part Context

This part belongs to the BQ2425x family of battery chargers, which are designed for portable applications. The family includes variants like BQ24250 and BQ24253, offering different current ratings and feature sets. The BQ24251 specifically targets high-performance needs with its 4A capability while maintaining compact form factors.

Battery Chargers Replacement Considerations

BQ24250YFFT is listed as a parameter-equivalent alternative.