MLX81124KDC-AAC-000-RE

LED Driver IC Overview

The MLX81124KDC-AAC-000-RE is a LIN RGB Gen 4 LED driver IC featuring four independent LED channels with a maximum current of 60 mA per channel. It integrates a 16-bit RISC microcontroller with 32 KB flash and 2 KB RAM, alongside a LIN physical layer transceiver compliant with ISO 17987-4 and SAE J2602 standards. The device operates within a temperature range of -40°C to +125°C and supports ASIL B safety integration under ISO 26262. Packaged in an SOIC-8EP format, it includes diagnostic features for open/short circuits and threshold monitoring.

LED Driver IC Feature Summary

• Integrates a 16-bit MCU with LIN protocol controller and physical layer transceiver for direct bus connectivity
• Provides four configurable high-voltage I/O channels supporting up to 60 mA constant current output
• Includes built-in diagnostics for LED short circuit, open circuit, and threshold detection
• Supports automatic addressing based on bus parallel configuration for multi-node systems

LED Driver IC Applications

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

LED Driver IC Procurement Notes

Verify the specific suffix 'AAC' corresponds to the required package variant (SOIC-8EP) and reel quantity. Confirm that the LIN version matches the target vehicle network specification. Ensure ESD handling procedures are followed during assembly due to the exposed pad thermal design. Cross-reference the AEC-Q100 qualification status if automotive reliability certification is mandatory for the final product.

LED Driver IC Selection Notes

Select this component when a single-chip solution combining MCU processing and LED driving is required for space-constrained automotive applications. It is suitable for designs needing precise RGB color mixing via 16-bit PWM outputs. Consider this part over discrete solutions if LIN bus communication and integrated diagnostics reduce bill-of-materials complexity. Verify compatibility with existing RGB LED forward voltage requirements against the 60 mA drive capability.

LED Driver IC Part Context

This device belongs to the MLX81124 series, designed specifically for next-generation automotive interior lighting. It succeeds previous generations by offering enhanced memory resources and improved LIN protocol support. The chip is pin-to-pin compatible with the MLX81123, allowing for straightforward upgrades in existing hardware layouts while gaining additional computational capacity and diagnostic depth.

LED Driver IC Replacement Considerations

The MLX81123 is a functionally consistent alternative with identical pinout. Verify if the reduced memory or feature set of the predecessor meets the application requirements before substitution.