BQ24151AYFFR

Battery Chargers Overview

The BQ24151AYFFR is a fully integrated single-cell lithium-ion and lithium-polymer battery charger IC manufactured by Texas Instruments. It operates within a supply voltage range of 4 V to 6 V and supports a maximum output charging current of 1.25 A. The device utilizes a 20-DSBGA package for surface mount installation. It features an I2C interface for programmable control of charging parameters, including current, timer, and voltage settings. The component is designed to operate across a temperature range of -40°C to +85°C.

Battery Chargers Feature Summary

• Fully integrated switch-mode architecture for single-cell Li-Ion and Li-Po batteries
• I2C programmable interface for precise control of charging current, voltage, and timer
• Integrated fault protection mechanisms including overtemperature and overvoltage safeguards

Battery Chargers Applications

• Portable consumer electronics requiring single-cell battery management
• Mobile communication devices utilizing lithium-ion or polymer cells
• Compact embedded systems with strict space constraints

Battery Chargers Procurement Notes

Verify the specific suffix 'AYFFR' against the manufacturer's latest datasheet to confirm pinout and electrical specifications match your design requirements. Confirm RoHS compliance status and moisture sensitivity level (MSL) ratings prior to PCB assembly planning. Ensure the I2C address configuration aligns with your system bus topology to prevent communication conflicts.

Battery Chargers Selection Notes

Select this component when a compact solution for single-cell charging is required with digital control capabilities. The 20-DSBGA package offers a small footprint suitable for dense layouts. Consider the 4 V to 6 V input voltage range to ensure compatibility with your power source. Verify that the 1.25 A maximum current meets the target battery capacity charging profile.

Battery Chargers Part Context

This part belongs to the BQ2415x family of battery chargers from Texas Instruments. It shares architectural similarities with related models such as the BQ24150, BQ24152, and BQ24153. These components generally offer similar integration levels but may differ in specific electrical characteristics, package options, or feature sets. Consult the family datasheet for detailed comparative analysis.

Battery Chargers Replacement Considerations

Public documentation indicates the BQ24157YFFR as a potential substitute. Verify functional equivalence and pin compatibility before implementation. Note that other family members like the BQ24150 or BQ24152 may serve as alternatives depending on specific design constraints.