SNLA457 May   2024 TLC6C5748-Q1 , TPS552892-Q1

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Typical Local Dimming System
  6. 3ASIL-B Design for LED Power
  7. 4Functional Safety Design for LED Driver
  8. 5Summary
  9. 6Reference

5 Summary

For automotive displays like instrument cluster, head-up display or e-mirror, ASIL-B functional safety is typically mandatory. There are various blocks within the cluster displays that should meet the standards of ASIL-B. In this white paper, we listed methodology for how to design system-level ASIL-B for LED power and LED driver in local dimming backlight unit subsystem. This can also be scaled to other blocks like, including the power module, FPD-Link and MCU subsystems.