Head-up display
Products and reference designs
Head-up display
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.
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 | ||
| 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 | ||
| Selection guide | Automotive Infotainment EE Buck Converter/Controller Selection Guide (Rev. B) | 21 May 2021 | ||
| 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 | ||
| Application note | Achieving Low IQ Voltage Supervision in Automotive, Wide-Vin Applications | 11 May 2022 |
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