MLX81124KDC-AAC-000-SP

LED Driver IC Overview

The MLX81124KDC-AAC-000-SP is a LIN RGB Gen 4 LED driver IC designed for automotive interior ambient lighting. It integrates a 16-bit MCU with 32 KB flash, a LIN transceiver compliant with ISO 17987-4 and SAE J2602, and four high-voltage constant current outputs capable of delivering up to 60 mA each. The device supports independent 16-bit PWM control for precise color and brightness adjustment. Operating within a temperature range of -40°C to +125°C, it features AEC-Q100 qualification and ASIL B safety integration capabilities.

LED Driver IC Feature Summary

• Integrates a 16-bit RISC microcontroller with substantial program memory and EEPROM for efficient configuration and calibration data storage.
• Includes a fully integrated LIN physical layer transceiver and protocol controller supporting automatic addressing based on bus topology.
• Provides four independent high-voltage I/O channels configured as constant current sources for driving RGB and white LEDs.
• Features advanced diagnostic functions for LED open circuit, short circuit, and threshold detection to ensure system reliability.

LED Driver IC Applications

• Automotive interior ambient lighting modules
• Door trim illumination systems
• Map lights and dome lights
• Multi-zone cabin lighting controllers

LED Driver IC Procurement Notes

Verify the specific suffix AAC against the manufacturer's latest datasheet to confirm pinout and electrical characteristics match your design requirements. Ensure compatibility with your LIN bus voltage levels and check for any recent revisions in the RoHS compliance status. Confirm that the SOIC-8EP package footprint aligns with your PCB layout constraints before finalizing procurement orders.

LED Driver IC Selection Notes

Select this component when designing single-master multi-slave LIN networks for vehicle interiors. It is suitable for applications requiring precise color mixing via independent PWM channels. Consider its ASIL B capability if functional safety standards are mandated. Compare against the MLX81123 for pin-compatible alternatives if legacy board space is a constraint.

LED Driver IC Part Context

This part belongs to the MLX81124 series, which represents Melexis's fifth-generation smart LIN RGB controllers. It is functionally identical and pin-to-pin compatible with the MLX81123 model. The series targets cost-effective yet high-performance solutions for modern vehicle cabin lighting architectures requiring robust communication and precise light output control.

LED Driver IC Replacement Considerations

The MLX81123KDC-AAA-000-SP is a confirmed pin-compatible substitute with identical functionality. Verify that the replacement variant meets the same AEC-Q100 and ASIL B requirements for your specific application environment.