X-Class CMOS image sensor platform meets the needs of the machine vision market and enhances the design flexibility of industrial cameras

Machine vision, like the eyes of a machine, can capture and analyze images and make decisions based on the information in the images. The fields of medical imaging, military reconnaissance, and emerging robotics and artificial intelligence (AI) are driving the rapid growth of the machine vision market. According to the research organization Yole Development, the average annual compound growth rate of market segments such as automation, intelligent transportation systems (ITS), barcode scanning and visual analysis in 2012-2022 is about 9%. Driven by the stimulus of the Made in China 2025 plan and increasing demand for productivity, China's investment in automation is three times that of the rest of the world. At the same time, automation is evolving towards embedded vision, AI, depth, 3D, hyperspectral, deep ultraviolet and other trends.

ON Semiconductor has more than 40 years of imaging experience and leads the global industrial imaging market with a market share of 34%. The company’s X-ClassCMOS image sensor platform has industry-leading pixel size and excellent optical performance, faster frame rate, and lower Competitive advantages such as power consumption, multiple speed levels, simplified design, etc., address the key market requirements of image sensors that require high resolution, excellent image quality, high energy efficiency, and can match speed levels according to different needs in the machine vision market, shorten design time and simplify Design process and supply chain.

ON Semiconductor has unparalleled imaging products and imaging technology

ON Semiconductor is the only supplier that can provide industrial-grade CCD and CMOS pixel designs at the same time. Both products and technologies are unparalleled in the industrial imaging field. The image sensor lineup has a wide range of resolutions ranging from VGA to 50 million pixels, and the pixel size ranges from From 3.2um to 24um, the imaging diagonal is from 3.8mm to 70mm, and it has a wide range of imaging such as electron multiplication, system-on-chip (SOC) integration, proprietary color filter array (CFA) configuration, high-speed output architecture, and custom design capabilities. technical foundation.

X-Class platform enables a single camera design to support multiple resolutions and pixels

In the initial camera design, designers need to design and develop each image sensor from scratch, which is time-consuming, labor-intensive and costly. Later, ON Semiconductor launched the PYTHON series, which can support all eight resolutions (from VGA to 25Mp) in the series with only 2 PCBs.

The X-Class image sensor platform is a further evolution of the PYTHON series. By supporting multiple CMOS pixel architectures within the same image sensor frame, a new dimension of camera design is realized. This allows a single camera design to not only support multiple product resolutions, but also support different pixel functions, whether it is global shutter, rolling shutter, high dynamic range, or other different functions, such as sacrificing a given optical size The resolution is exchanged for larger pixels with higher imaging sensitivity, and the optimized design can achieve low-noise work to increase the dynamic range and so on. Through the universal high-bandwidth, low-power interface to support different pixel architectures, camera manufacturers can make full use of existing parts inventory and accelerate the time to market for new camera designs, reducing design costs and risks.


X-Class, XGS12000, machine vision, intelligent transportation system

Figure 1: X-Class platform-evolved design functions

The first two devices of the X-Class platform: XGS8000 and XGS12000

The first two devices in the X-Class series are XGS12000 and XGS8000. Based on advanced 3.2um global shutter CMOS pixels, they have excellent imaging performance, high image uniformity and low noise. They are used for machine vision, intelligent transportation systems and Applications such as broadcast imaging provide high-performance imaging capabilities.


X-Class, XGS12000, machine vision, intelligent transportation system

Figure 2: XGS12000

The XGS12000 provides a resolution of 12 million pixels (4096x3072 pixels) in a 1-inch optical format, providing the imaging details and performance required for modern machine vision and inspection applications. The device provides two speed grades: one is to make full use of the 10GigE interface by providing full resolution speeds up to 90 frames per second (fps); the other is a lower-priced version that provides 27fps at full resolution, and USB3. 0 The available bandwidth of the computer interface remains the same.

XGS8000 provides 4k/UHD (4096x2160 pixels) resolution in a 1/1.1-inch optical format, and also provides two speed grades (130 and 75fps), making this device an ideal choice for broadcast applications.


X-Class, XGS12000, machine vision, intelligent transportation system

Table 1: Multiple speed grades and interfaces to match different application requirements

The package size of the two devices is combined with low heat dissipation, which is created by the low-voltage and low-power architecture of the X-Class interface, and is fully compatible with the compact 29x29mm2 camera design.

The first two pixels: 3.2um global shutter

As the resolution increases, if the pixel size remains the same, the image sensor chip size will inevitably become larger, and the matching lens will be expensive, which will increase the overall cost. Therefore, the market needs to reduce the pixel size. The XGS8000 and XGS12000 are based on 3.2um global shutter CMOS pixels, which can increase the resolution under the same optical size, and the advanced pixel design ensures that the image quality will not be affected by the smaller pixels, and even provide better performance.


X-Class, XGS12000, machine vision, intelligent transportation system

Table 2: Compared with PYTHON12k, XGS12000 has reduced pixel size but better image quality

In addition, in machine vision applications, imaging targets are usually in motion. If a rolling shutter is used, its progressive exposure may produce motion smear. XGS8000 and XGS12000 use a global shutter design, and all pixels are on the same Time capture of image data to ensure that moving objects are captured without motion artifacts.

A complete evaluation kit supports the designer's new camera design

ON Semiconductor provides evaluation kits to support complete device evaluation, including static images, video capture, region of interest reading and configuration of custom test functions, etc., to help designers develop new camera designs that incorporate new image sensors.

Summarize

As the demand for industrial imaging applications such as machine vision inspection and industrial automation continues to advance, the design and performance of image sensors for this growing market must also continue to evolve. ON Semiconductor is the world’s leading supplier of imaging chips and the only supplier with both industrial-grade CCD and CMOS technologies. The comprehensive product line is suitable for different application scenarios, and the products have high resolution, high frame rate, and low noise. , Small size, low power consumption and other advantages. The company’s latest X-ClassCMOS platform enables a single camera design to support multiple resolutions and pixels, enhances the flexibility of industrial camera design, simplifies supply chain logistics, and speeds up the design process. The first two devices on the platform use advanced 3.2um global shutter CMOS. Pixel, and provide a variety of speed versions to meet the performance and imaging functions required by different applications such as machine vision, ITS and broadcast imaging, and bring obvious competitive advantages to camera manufacturers in terms of performance, energy efficiency, time and cost.


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