Automotive IC drives 3,000 LEDs

Author: EIS Release Date: Oct 20, 2022

Melexis has launched an IC with 21 LED drivers that can power and dim up to 3,000 LEDs.

 

Melexis MLX81143 led driver block

Called MLX81143, it implements CAN-over-UART to control individual LEDs, and the company claims it provides real-time compensation of colour drift caused by environmental changes, and colour-mixing accuracy of less than 1%.

 

The product flyer promises “real-time update of >800 RGB LEDs without delay”.

 

Its ‘MeLiBu’ communication interface employs a CAN-FD physical.

 

Qualification is to AEC-Q100 and the part id ASIL compliant. It meets ISO 26262 functional safety requirements and supports ASIL B integration.

 

On board is 32kbyte of flash, 2kbyte ram and 512byte eeprom. Packaging is

5 x 5mm 32pin QFN.

 

The MLX81143 product page can be fond here, and clicking here will download a product flyer. Its data sheet is only available in exchange for contact details.