IS31FL3747-QFLS4-TR

Overview

The IS31FL3747-QFLS4-TR is a 12x12 dot matrix LED driver manufactured by Lumissil Microsystems. It supports up to 144 LEDs and operates within a supply voltage range of 2.7V to 5.5V. The device features an I²C compatible programming interface with a frequency of 1MHz. Output current capabilities include 8mA for high and low levels, with a maximum power supply current of 3mA. It is housed in a QFN-40 package measuring 5.0mm x 5.0mm and functions within a temperature range of -40°C to +125°C.

Feature Summary

• Supports 12x12 dot matrix configurations for complex LED displays
• Utilizes I²C compatible interface for simplified control
• Operates across wide industrial temperature ranges

Applications

• Dot matrix LED display systems
• Industrial indicator panels
• Automotive interior lighting interfaces

Procurement Notes

Verify the specific suffix and package type against official Lumissil documentation to ensure compatibility with design requirements. Confirm availability status as distribution channels may vary. Check for any product change notifications or lifecycle updates prior to finalizing procurement decisions.

Selection Notes

Select this component for applications requiring direct drive of 144 LEDs via a standard I²C bus. Ensure the host controller supports the required 1MHz clock speed. Verify that the QFN-40 footprint fits the PCB layout constraints and thermal management strategy.

Part Context

This part belongs to the IS31FL3x series of LED lighting drivers from Lumissil Microsystems. These drivers are designed for industrial applications, offering EMI noise reduction and support for a wide range of LED counts. The series focuses on providing efficient control solutions for matrix displays.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.