IS31FL3224-QFLS4-TR

Overview

The IS31FL3224-QFLS4-TR is a 24-channel LED lighting driver IC manufactured by Lumissil Microsystems. It utilizes a QFN-40 package with dimensions of 5.0mm x 5.0mm and supports tape-and-reel packaging. The device operates as a linear shift register topology with an output voltage of 18V and an output current of 40mA per channel. It features I2C and SPI compatible interfaces for dimming control.

Feature Summary

• Integrates 24 independent LED drive channels within a compact footprint
• Supports digital dimming via I2C and SPI communication protocols
• Employs linear shift register topology for simplified system integration

Applications

• LED lighting driver systems
• General illumination applications requiring multi-channel control

Procurement Notes

Verify the specific ordering suffix and package variant against official Lumissil documentation to ensure compatibility with design requirements. Confirm availability status through authorized distributors, as supply levels may vary. Ensure compliance with RoHS standards and check for any recent product change notifications prior to final procurement decisions.

Selection Notes

Select this component for designs requiring a high-density array of individually controllable LED outputs. The 40mA output current capability suits standard indicator or low-power lighting loads. Consider the QFN-40 package constraints for thermal management and PCB layout space when integrating into the final assembly.

Part Context

This part belongs to the Lumissil IS31FL series of LED drivers, which are designed for efficient lighting control. The series typically offers integrated solutions for managing multiple LED channels with minimal external components, supporting various communication interfaces for system flexibility.

Replacement Considerations

Consult official Lumissil substitution guides for verified equivalents. Cross-reference pinouts and electrical specifications carefully when considering alternative manufacturers.