BQ24151AYFFT

Battery Chargers Overview

The BQ24151AYFFT is a fully integrated single-cell lithium-ion and lithium-polymer battery charger manufactured by Texas Instruments. It operates within a supply voltage range of 4 V to 6 V and delivers a maximum output current of 1.25 A with a regulated charge voltage of 4.44 V. The device utilizes an I2C interface for programmable control of charging parameters, including current, timer, and voltage settings. Designed for surface-mount installation, it is housed in a compact 20-DSBGA package. The component supports operation across an extended temperature range from -40°C to +85°C.

Battery Chargers Feature Summary

• Fully integrated switch-mode architecture combining power path management and charge regulation
• I2C digital interface enabling programmable configuration of charging profiles and system parameters
• Integrated thermal regulation and fault protection mechanisms for safe operation

Battery Chargers Applications

• Single-cell portable electronic devices requiring efficient power management
• Battery-powered consumer electronics utilizing lithium-ion or polymer cells
• Systems necessitating precise digital control over charging cycles via I2C

Battery Chargers Procurement Notes

Verify the specific suffix 'YFFT' against the official datasheet to confirm package type and tape/reel specifications. Confirm end-of-life status and availability through authorized distributors, as this part may be restricted or obsolete. Ensure compatibility with existing PCB footprints for the 20-DSBGA package before procurement.

Battery Chargers Selection Notes

Select this component when a single-cell Li-Ion/Polymer charger with I2C programmability is required. It is suitable for applications needing a 1.25 A charge current and input voltages up to 6 V. Consider the 20-DSBGA package size constraints and the necessity for digital control interfaces in the system design.

Battery Chargers Part Context

This component belongs to the BQ2415xA series of battery chargers from Texas Instruments. These devices are designed for high-efficiency charging of single-cell batteries in space-constrained applications. The series typically integrates power switches and support components to minimize external bill of materials.

Battery Chargers Replacement Considerations

Publicly confirmed substitute part numbers for BQ24151AYFFT were not found in the provided source material.