Hyperlux™ AR0341AT 3 MP Image Sensor: The Smart Choice for Mainstream ADAS Applications

By Chris McNamara , onsemi 

Advanced Driver Assistance Systems (ADAS) have become a standard feature in modern vehicles, enhancing safety and driving comfort.  ADAS functionality can be classic emergency braking with windshield-mounted cameras or multi-camera surround viewing + sensing systems with parking assistance. These systems rely on image sensors ranging from 1 MP to 8 MP to support both viewing and sensing functions. However, automotive OEMs and Tier 1 suppliers face the challenge of delivering high-performance, reliable imaging solutions that meet stringent safety and regulatory standards, while also managing cost, space, and design flexibility. 

The onsemi Hyperlux™ AR0341AT 3 MP sensor stands out as a compelling solution for mainstream ADAS applications. Let’s explore six key reasons why this sensor strikes the ideal balance between performance, reliability, and efficiency. 

Figure 1. Hyperlux AR0341AT image sensor feature set 

1. Outstanding Low-Light Performance 

ADAS sensors must perform reliably in all lighting conditions, especially at night or in low-light environments. The AR0341AT features a 2.1 µm super-exposure pixel architecture that delivers exceptional low-light sensitivity without increasing sensor size. This enables compact camera modules to capture clear, low-noise images, critical for detecting pedestrians, fast-moving vehicles, or road hazards in the dark – —without the cost or complexity of larger sensors. 

2. Industry-Leading High Dynamic Range (HDR) 

Rapid lighting changes (such as entering or exiting tunnels) can impair both human vision and camera performance. Traditional multi-exposure HDR techniques often introduce motion blur or latency, compromising safety. 

AR0341AT addresses this with up to 150 dB HDR capability, maintaining image clarity in both bright and dark areas simultaneously. This ensures consistent performance in dynamic lighting conditions, reducing the risk of missed detections due to overexposure or underexposure. 

3. Ultra-Low Power Consumption 

Power efficiency is increasingly important, especially in electric vehicles (EVs) with always-on, camera-based security features. The AR0341AT is engineered for true low-power operation, minimizing battery drain while maintaining full functionality. 

Lower power consumption also reduces thermal load, simplifying system cooling and enabling the use of smaller, more cost-effective modules and lenses. This translates to greater design flexibility, improved reliability, and longer component lifespan. 

4. Compact, Design-Friendly Form Factor 

Modern vehicle design demands sleek, unobtrusive technology integration. Bulky sensors can limit placement options or disrupt vehicle aesthetics. 

Thanks to its 2.1 µm pixel size, the AR0341AT is significantly smaller than competing 3.0 µm sensors. This compact footprint allows for slimmer camera modules that blend seamlessly into vehicle exteriors, without sacrificing performance. 

5. Reliable Thermal Stability 

ADAS systems must operate flawlessly across a wide range of temperatures, from icy winters to scorching summers. Many sensors struggle to maintain image quality under thermal stress, posing safety risks. 

The Hyperlux 3 MP sensor is built for automotive-grade durability, delivering consistent image quality across extreme temperature ranges. Its proven thermal stability makes it suitable for global deployment, even in harsh environments. 

6. Proven Quality and Long-Term Support 

In the automotive industry, reliability and long-term support are non-negotiable. OEMs need assurance that the components they choose today will be supported for years to come. 

onsemi brings decades of experience in automotive imaging to the Hyperlux AR0341AT, ensuring it meets the rigorous demands of today’s ADAS applications. With a well-established product roadmap and a strong track record of supply continuity, onsemi gives OEMs and Tier 1 suppliers the confidence that their designs are supported for the long haul. 

The Bottom Line: Performance Without Compromise 

The Hyperlux AR0341AT 3 MP sensor delivers a rare combination of high performance, compact design, low power consumption, and long-term reliability. It enables OEMs and Tier 1 suppliers to build smarter, safer, and more efficient ADAS systems without compromise. 

In a market where cost pressures are real, the true value lies not in the lowest price, but in the best performance-to-cost ratio. The Hyperlux 3 MP sensor offers real-world savings across the product lifecycle, making it the optimal solution for mainstream ADAS applications. 

Learn more about how Hyperlux can power your next-generation ADAS design. 

 Additional resources: 

• ADAS Solution 

• Advanced Driver Assistance System (ADAS) Solution Guide 

• Enhancing Automotive Safety with Hyperlux Sensors and Ecosystem Partners 

Author: Chris McNamara, Head of Go-To-Market, Automotive Sensing Division 

Chris McNamara leads Go-to-Market for the Automotive Sensing Division at onsemi, working closely with customers to bring intelligent imaging solutions to the market. He has held product marketing leadership positions for global OEMs and Tier 1 suppliers, with a focus on software-defined vehicles, AD/ADAS technologies, and automotive AI systems. Chris has played a central role in industry-first launches and strategic acquisitions. His expertise includes imaging-enabled safety systems, launching disruptive technologies, and the future of automotive software.