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Drone Sensing Systems - Hyperlux LH, LP and SG Families

When selecting image sensors for drones, it's crucial to consider the specific conditions and requirements of your application. Typically, a system might use six to eight sensors, but up to twelve sensors are not uncommon.

Global shutter sensors, which capture the entire image simultaneously, are ideal for moving objects as they prevent distortions and motion artifacts. This is particularly important for applications like mapping, surveying,and industrial inspections, where precision is crucial. By capturing the entire frame simultaneously, global shutters prevent distortions such as the "jello effect" and motion blur, which are common with rolling shutters.

The Hyperlux SG image sensor family from onsemi is revolutionizing drone technology with its advanced imaging capabilities tailored for a wide range of applications. These sensors are particularly well-suited for drone use in fields such as aerial surveying, agricultural monitoring, and infrastructure inspection. One of the standout features of the Hyperlux SG is its global shutter, which effectively eliminates motion artifacts, ensuring clear and stable images even during high-speed maneuvers. This is crucial for drones that require precise imaging while navigating complex environments. Additionally, the sensors offer programmable regions of interest (ROIs), allowing operators to focus on specific areas of interest during flight. Recently, onsemi launched the Hyperlux LP series of image sensors.

This series incorporates cutting-edge electronic rolling shutter technology and consists of three product variants: the AR0544 with a resolution of 5MP, the AR0830 with 8.3MP, and the AR2020 with 20MP. All sensors within the Hyperlux LP family feature identical pixel sizes and optical performance. The product lines provide a variety of options, including mono, RGB, and RGBIR variants, available in both packaged and die forms. This extensive selection allows vision system designers to optimize development efforts, reduce expenses, and accelerate time-to-market (TTM) by leveraging diverse solutions. The onsemi Hyperlux LH family of image sensors is engineered to deliver superior performance for drones, ensuring high-quality imaging across diverse lighting conditions.

The sensors boast an advanced triple-exposure embedded High Dynamic Range (eHDR) reaching up to 120 dB. This technology includes sophisticated flexible exposure ratio control, ensuring exceptional video quality and the capability to capture images in both linear and eHDR modes. The enhanced near-infrared (NIR) sensitivity is optimized for low-light and night-time vision, providing clear visuals in conditions where traditional sensors might fail. Additionally, the Hyperlux LH family’s eHDR feature dynamically adjusts exposure levels, which, combined with the sensor’s effective LED flicker mitigation, prevents both overexposure and the loss of critical details in shadows and flicker from LED lighting. Supporting 4K video resolution, the Hyperlux LH sensors deliver ultra-high-definition images, which are crucial for fine detail pictures and videos. The sensors are designed with a 2.0 µm pixel size, contributing to their high sensitivity and image clarity. Furthermore, these sensors are built for low power consumption, making them ideal for battery-operated devices and reducing overall energy costs in drone systems. The combination of these features ensures that drones equipped with Hyperlux LH sensors can provide reliable, high-quality visual data essential for effective monitoring operations.