MLX90248ESE-EBA-000-RE Sensors, Transducers

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Magnetic sensors and switches are devices used to detect the presence of a magnetic field. Magnetic switches are solid state devices that use magnetic fields to trigger an electrical switch. The MLX90248ESE-EBA-000-RE is a miniature Hall Effect magnetic switch that is especially designed for mobile devices. It consists of an integrated Hall Element and signal amplifier designed for programmable low and high output switching levels. This article focuses on the application field and working principle of the MLX90248ESE-EBA-000-RE.

Application Field

MLX90248ESE-EBA-000-RE is mainly used for mobile devices such as smart phones, tablets, etc. It has an ultra-low transition voltage that is ideal for mobile device applications. The small size and low power consumption of the MLX90248ESE-EBA-000-RE make it a great fit for battery powered devices. The device is also fully compatible with the USB, I2C, and SPI data buses, making it easy to integrate into existing systems.

MLX90248ESE-EBA-000-RE is also suitable for other applications such as automotive systems, industrial automation, security and surveillance systems. It is capable of sensing a magnetic flux density up to 1.6 Tesla, making it suitable for applications requiring the detection of extremely high magnetic fields. The combination of its ultra-low power consumption and wide operating temperature range (-40 to +125 °C) makes it well suited for use in thermally challenging environments.

Working Principle

MLX90248ESE-EBA-000-RE operates on a Hall Effect principle. This means that when a current is applied, a magnetic field is created. When this magnetic field encounters a magnet or other magnetized object, the resistance of the Hall Element detects this change. This resistance is then used to trigger an electrical switch, thus signalling the presence of a magnetic field.

The device can be programmed to detect magnetic fields above and below a certain level, thus allowing for applications where the switch needs to operate under varying conditions. It also allows for hysteresis, which is important for applications such as automotive systems, where a reliable switch needs to keep operating regardless of the orientation of the magnet.

The MLX90248ESE-EBA-000-RE also features an integrated signal amplifier to help detect the presence of even the weakest of magnetic fields. The signal can then be sent to other components via one of its I2C, SPI or USB ports.

Conclusion

MLX90248ESE-EBA-000-RE magnetic switch is a very versatile and reliable device. Its small size, low power consumption and wide operating temperature range make it suitable for use in a wide range of mobile and other applications. Its programmable switch levels and hysteresis capabilities make it well suited to applications such as automotive systems, where a reliable switch needs to be able to detect magnetic fields under varying conditions.

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