MLX90251EVA-FAA-000-BU

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The MLX90251EVA-FAA-000-BU linear magnetic sensor is a product of Melexis, which is a high-tech semiconductor company focusing on producing micro-electromechanical systems and integrated magnetic fields sensors. It sits within Melexis’ range of magnetic sensors, and is part of its EVA series sensors. With a wide range of applications, and several features designed to provide enhanced functionality, MLX90251EVA-FAA-000-BU is suited for compass, object detection, and measurements of motion and direction.

MLX90251EVA-FAA-000-BU consists of a linear Hall-effect element and integrated temperature sensor. The linear Hall-effect element is used to measure a magnetic field along a single magnetic axis, and the integrated temperature sensor is used to measure the temperature. The combination of the two allows for the measurement of linear magnetic fields in one axis. With its low-power consumption and small size, this sensor is ideal for use in a wide range of applications from automotive and aerospace, to consumer electronics and industrial automation.

The working principle of MLX90251EVA-FAA-000-BU involves the use of the Hall-effect element, which is integrated into a bipolar structure. When a magnetic field is applied to the structure, a Hall-effect voltage is generated, which is proportional to the strength of the magnetic field. The temperature sensor then measures the temperature of the environment and compensates for any changes in the output voltage due to temperature variations. This allows the sensor to accurately measure the magnetic field.

The common applications of MLX90251EVA-FAA-000-BU include, but are not limited to, compass, object detection, and measurements of motion and direction. For example, in the aerospace industry, it is used to measure the orientation of an aircraft in relation to the Earth’s magnetic field. In automotive applications, it is used for controlling fuel systems, monitoring antilock brake systems, or detecting objects in the path of a moving vehicle. Moreover, in industrial automation, it can be used for positioning, rotation, and linear displacement of objects within a machine.

The features of MLX90251EVA-FAA-000-BU are designed to provide improved accuracy and enhanced functionality. It has a maximum operating temperature of up to 125°C and a highly linear output characteristic. Its supply voltage is adjustable from 3.3 V to 5.5 V, and it has a very low power consumption of only 200 μA. Moreover, it has an integrated temperature compensation, allowing for precise measurement irrespective of the changes in the ambient temperature. The MLX90251EVA-FAA-000-BU is also certified for the Automotive Electronics Council (AEC) Q100 automotive-grade quality standard. This makes it a reliable choice for automotive applications.

To sum up, MLX90251EVA-FAA-000-BU is a linear magnetic sensor from Melexis, part of the EVA series of sensors. It is typically used for compass, object detection, and measurements of motion and direction. Its features provide enhanced performance and accuracy, and it is well-suited for a wide range of applications from automotive and aerospace, to consumer electronics and industrial automation. Its low power consumption and compliance with the AEC Q100 automotive-grade quality standard make MLX90251EVA-FAA-000-BU an ideal choice for the most demanding applications.

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