HOA0149-500

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Optical sensors are extensively used in commercial, industrial and consumer electronics applications due to their unmatched versatility, reliability and accuracy. They can be divided broadly into two major categories: ambient light, infra-red, and UV sensors. These sensors measure the radiation within the electromagnetic spectrum, and can be used for detecting, monitoring, and controlling various environmental parameters.

HOA0149-500 Application Field and Working Principle

HOA0149-500 is an ambient light, infrared, and ultraviolet (UV) sensor manufactured by Omron Electronic Components. Its application field covers LED, bezel and touch panel current sensing, lighting, illumination and presence detection, and other sensing applications. The sensor has a sensitivity in the range of 400nm to 1000nm, allowing it to detect radiation in a wide spectrum of sources such as natural sunlight, LED lighting, UV radiations, and infrared emissions.

HOA0149-500 works on photoradiometric technique which detects the amount of light falling on a surface and converts it into output signal. The optical sensor has two sensing elements – a photodiode, sensitive to visible light, and a single cell sensor, sensitive to UV radiations. The ambient light, IR and UV radiations are detected using these two elements, which are then converted into an output signal.

The output signal of HOA0149-500 is an analog voltage signal, which is proportional to the intensity of the detected light. The sensor’s output signal can be used to control the brightness and color of LED based lighting systems, adjust touch panel brightness and infrared presence detection systems, and for other similar applications. The operational range of the sensor is typically between 50 lux to 2000 lux. It can accurately detect radiation in the range of 400nm to 1000nm.

HOA0149-500 has a low current consumption, and is thus suitable for low power applications. The functional parameters of the sensor are also specified by the manufacturer, such us the response time, linearity, sensitivity, and noise immunity, making it a robust optical sensor for various applications. The sensor can also be used in motion sensing applications, such as for detecting an object’s presence or absence.

Overall, HOA0149-500 is a highly versatile optical sensor for applications such as LED, bezel and touch panel current sensing, light or presence detection, and motion detection. Its photoradiometric technique ensures accurate detection of ambient light, infra-red and ultraviolet radiations, thus making it an ideal choice for commercial, industrial and consumer electronics applications.

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