SLVAFI8 February 2023 TLC6C5748-Q1
Local dimming backlight is getting more and more popular in automotive display as it enables higher image contrast. TLC6C5748-Q1 is an LED driver designed for automotive local dimming applications. Due to the system level architecture of local dimming, sometimes there are challenges on EMC performance, including both low EMI and robust EMS. This application note covers several important considerations to achieve good EMC performance with TLC6C5748-Q1. Test results are also provided to prove the effectiveness. All the discussions are based on a demo design for 336 zones panel local dimming backlight module.