BM1422AGMV-ZE2 Sensors, Transducers

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Magnetic sensors are crucial components for various types of applications, ranging from linear, compass, speed, position and magnetometer sensors used in high-end consumer electronics to automotive, medical and industrial motor control. The BM1422AGMV-ZE2 is a Magnetic Sensor IC specifically designed for linear alignment applications. It is capable of detecting two-dimensional magnetic fields generated by both a physical magnetic transformer and an electrical field created by an alternating current (AC) source. This article will discuss the application field and working principle of the BM1422AGMV-ZE2.

Application field

The BM1422AGMV-ZE2 is a dual-channel Magnetic Sensor used for linear alignment applications. The two channels are aligned in the same direction so that the measurement can be achieved with higher precision. The device is also capable of detecting the direction of the magnetic field, as well as its intensity (in Tesla). As a result, the BM1422AGMV-ZE2 is suitable for applications such as crane and machine addressing (for high precision positioning of objects) and precision linear alignment operations. Additionally, the device is capable of operating in both wet and dry environments.

Working Principle

The working principle of the BM1422AGMV-ZE2 is based on the traditional Hall effect. This effect states that when a magnetic field is applied perpendicularly to a current-carrying conductor, a voltage difference is generated across the conductor (called the Hall voltage). This voltage is proportional to the strength of the applied magnetic field. The BM1422AGMV-ZE2 utilizes this principle by using a number of Magnetic Hall elements, which convert the magnetic field into a voltage difference, which is then read and processed by the device’s internal circuitry. This circuitry is responsible for calculating the actual intensity and direction of the applied magnetic field.

In addition to the conventional method of detection, the BM1422AGMV-ZE2 also incorporates an innovative technology called magnetoresistance (MR). This technology involves the use of magnetic field-responsive, fixed-thickness films in order to sense changes in the magnetic field. The value of the voltage created in response to the changes in the magnetic field is measured by the device’s internal circuitry, and is then used to calculate the intensity and direction of the magnetic field. Thanks to the use of MR technology, the BM1422AGMV-ZE2 is relatively insensitive to external noise, vibration and temperature changes.

The BM1422AGMV-ZE2 is also capable of determining the direction of the magnetic field applied to it. This is achieved by using a 2-axis hall element, which is located inside the device and is capable of sensing the two perpendicular components of the applied magnetic field. The value of each component is measured, and then processed by the device’s internal circuitry, which in turn, is used to determine the direction of the applied magnetic field.

Conclusion

The BM1422AGMV-ZE2 is a Magnetic Sensor IC specifically designed for linear alignment applications. It is capable of detecting two-dimensional magnetic fields generated by both a physical magnetic transformer and an electrical field created by an alternating current (AC) source. The device utilizes the traditional Hall effect to convert the magnetic field into a voltage difference, which is then read and processed by the device’s internal circuitry. Additionally, the device also utilizes magnetoresistance (MR) technology to sense changes in the magnetic field and determine the intensity and direction of the applied magnetic field. Overall, the BM1422AGMV-ZE2 is a reliable and robust magnetic sensor IC with excellent performance characteristics.

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