Head-up display

Products and reference designs

Head-up display

Block diagram

Overview

An automotive head-up display (HUD) provides information to the driver at eye level. This allows the driver to continue looking at the road while getting speed and other information. The HUD is either projected on a section of the windshield or on a transparent surface between the driver and the windshield. More sophisticated HUDs are used to create the appearance of an overlay on the road for turn-by-turn navigation. The HUD information is typically provided by the cluster. We have the technology to power, connect and create the HUD display.

Design requirements

Modern HUD designs require:

  • Digital light processors (DLP) to create the highest quality display.
  • High-efficiency power supplies for all HUD power requirements including LED display illumination.
  • Motor drivers for HUD positioning.
  • High-speed serial receivers for data interface enable higher bandwidth operation and reduce cabling cost.
  • Temperature sensors that monitor ambient temperature to ensure equipment runs at proper conditions.
  • Optical light sensors control dimming to improve display clarity in dynamic lighting environments.

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Block diagram

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Technical documentation

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Type Title Date
White paper Making Cars Safer Through Technology Innovation (Rev. A) 28 Jul 2022
Technical article Here’s why head-up displays are coming to a windshield near you PDF | HTML 24 Aug 2023
White paper DLP® Technology: Solar Loading in Augmented Reality Head-up Display Systems 23 Jul 2018
Application brief Using Photodiode Amplifiers for Ambient Light Sensing in Automotive Displays (Rev. A) 23 Aug 2019
Technical article The need for sequencing in automotive applications PDF | HTML 22 Jul 2023
Technical article Lincoln brings crisp Head-Up Displays to its Continental sedan with TI technology PDF | HTML 22 Aug 2023
Selection guide Automotive Infotainment EE Buck Converter/Controller Selection Guide (Rev. B) 21 May 2021
Technical article Understanding the importance of color saturation and color gamut in augmented real PDF | HTML 21 Jul 2023
Application note DLP® Technology: Enabling the Next Generation of Automotive Head-Up Display Syst (Rev. A) 15 Nov 2017
White paper Designing infotainment systems that are interactive not distractive 15 Mar 2019
Technical article There are more ways than you think to reduce conducted EMI PDF | HTML 14 Aug 2023
Technical article Heads Up! Discover the automobile display of tomorrow PDF | HTML 14 Aug 2023
Technical article Powering infotainment systems of the future PDF | HTML 13 Jun 2023
Technical article Three ways DLP® technology can enable augmented reality experiences PDF | HTML 12 Sep 2023
Application note Achieving Low IQ Voltage Supervision in Automotive, Wide-Vin Applications 11 May 2022
Technical article Understanding and managing solar loads for augmented reality head-up displays PDF | HTML 08 Aug 2023
Technical article Lighting up automotive displays with a transimpedance configuration PDF | HTML 07 Sep 2023
Technical article Split-rail converters reduce BOM size and cost in new automotive displays PDF | HTML 04 Aug 2023
Technical article How to design high-resolution retinal limited displays in an AR HUD PDF | HTML 01 Sep 2023

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