Heads-up Display

Projecting a stable, high-quality image onto the windshield is essential for driver safety in Head-Up Displays (HUDs) requires precise motion control to eliminate vibration and robust backlighting that performs reliably across all vehicle conditions.

Allegro's QuietStep™ stepper motor drivers minimize audible noise and vibration for a clear, stable image, while our portfolio of AEC-Q100 Grade 0 qualified LED drivers provides robust, reliable backlighting with built-in fault diagnostics. Our technology enables a crisp, clear HUD that keeps critical ADAS and vehicle information in the driver's line of sight, enhancing situational awareness and safety without distraction.

Heads-Up Display Application Diagram
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    LCD Bias Regulator

    A8603 – Multiple-Output Regulator for Automotive LCD Displays

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    Stepper Motor Driver

    A4992 - Automotive Microstepping Stepper Driver with Integrated Current Control

    A4980 - Programmable Stepper Driver with SPI Control

    AMT49700 - Automotive Stepper Motor Driver with Programmable Motion Control and Integrated Current Sensing

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    LED Drivers

    ALT80600 - LED Drivers with Pre-Emptive Boost for Ultra-High Dimming Ratios

    A80601 - High Power LED Drivers with Pre-Emptive Boost for Ultra-High Dimming Ratio

    A80604 - High Power LED Drivers with Pre-Emptive Boost for Ultra-High Dimming Ratio

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    Low Voltage Regulator

    A8650 - 2A, Low-Voltage Synchronous Buck Regulator with Adjustable Frequency and Power-OK

    A8651 - Low Input Voltage, Dual Synchronous Buck Regulator with Synchronization and Independent Enables

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    Low Voltage Regulator

    A8650 - 2A, Low-Voltage Synchronous Buck Regulator with Adjustable Frequency and Power-OK

    A8651 - Low Input Voltage, Dual Synchronous Buck Regulator with Synchronization and Independent Enables

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    High Voltage Regulator

    APM81911 - 40V, 3A Synchronous Buck Regulator Module with Integrated Inductor and EMI Filter

    APM81803 - 40V, 3A Synchronous Buck Regulator Module with Integrated EMI Filter

    A8586 - Wide Input Voltage, 3.5A Adjustable Buck Regulator with Programmable Frequency

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