MLX81116KLW-AAC-100-RE

LED Driver IC Overview

The MLX81116KLW-AAC-100-RE is a multi-channel RGB LED driver IC from Melexis, designed for automotive dynamic lighting applications. It features a QFN4x4 package with 24 pins and supports a supply voltage range of 5.5 V to 18 V, withstanding up to 40 V. The device integrates 12 LED drivers capable of 60 mA output current, utilizing a multiplexing architecture. Key specifications include a 24 MHz operating frequency, adjustable output voltage, and Boost/Buck topology options. It includes short circuit and thermal protection mechanisms.

LED Driver IC Feature Summary

• Integrates MeLiBu communication interface for high-speed dynamic lighting control without external components
• Supports direct MCU-based temperature compensation and color mixing with delta UV less than 1 percent
• Provides complete diagnostic detection including short circuit, open load, and threshold monitoring
• Features integrated memory with 32 kB flash, 2 kB RAM, and 512 bytes EEPROM for calibration data storage

LED Driver IC Applications

• High-speed dynamic interior lighting modules
• Smart LED light strips
• Driver communication via lighting functions
• Advanced navigation support systems
• Blind spot warning applications

LED Driver IC Procurement Notes

Verify the specific suffix AAC against the official datasheet to confirm pinout and functional configuration. Ensure the QFN4x4 package dimensions match your PCB footprint requirements. Confirm AEC-Q100 qualification status if required for your specific automotive tier. Check moisture sensitivity levels and recommended reflow profiles during assembly planning.

LED Driver IC Selection Notes

Select this component when high-speed RGB color mixing and precise dimming are required in automotive environments. The integrated MeLiBus interface reduces external component count compared to standard SPI/I2C drivers. Consider the 12-channel multiplexed output capacity for complex lighting arrays. Evaluate the ASIL B capability if safety-related lighting functions are part of the design specification.

LED Driver IC Part Context

This part belongs to the MLX81116 series of smart LED drivers optimized for automotive use. It replaces older discrete solutions by integrating power stages, communication interfaces, and microcontroller peripherals into a single compact package. The series supports various packaging options and output configurations to suit different lighting densities and complexity levels.

LED Driver IC Replacement Considerations

Consult the official Melexis selection tool for direct substitutes within the MLX81116 family. Verify pin compatibility and electrical characteristics before swapping with other RGB driver ICs. No public confirmed substitute part numbers are listed in the provided documentation.