MLX92221LUA-AAA-005-BU

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A magnetic sensor switch, also called a reed switch, is a type of mechanical switch operated by a magnetic field. As an example, the MLX92221LUA-AAA-005-BU is a solid state, low profile, low power switch. This magnetic sensor switch is designed to be used in a wide variety of applications, including automotive, military, aerospace, medical, industrial, consumer and energy markets.

Application Field

The MLX92221LUA-AAA-005-BU is a versatile magnetic sensor switch suitable for a wide range of applications. Its low profile design makes it ideal for applications in which limited space is available, and its low power requirement makes it suitable for battery-powered applications. The MLX92221LUA-AAA-005-BU can detect a wide range of magnet fields, and is capable of switching power levels up to 5 amperes.

The switch is used in a variety of automotive, military, aerospace, medical, industrial, consumer and energy market applications. In automotive products, the MLX92221LUA-AAA-005-BU is used to detect magnetic fields, and activate the optimal power margin in an engine, fuel pump, or other engine components. In military and aerospace applications, the switch can detect and trigger objects in space.

In medical applications, the switch is used to detect the presence of a magnet and activate certain functions. For example, a MRI machine or a prosthesis operated remotely using a magnet. In industrial applications, the switch can be used to detect and activate production lines and automated equipment.

In consumer products, the switch can be used to detect and activate consumer electronics such as smoke alarms, smart locks, and environmental monitoring devices. The MLX92221LUA-AAA-005-BU can also be used in safety and security applications, like magnetic sensors used in door locks. In energy applications, the switch can be used to detect energy flux and activate or deactivate certain components in power grids or other devices.

Working Principle

The MLX92221LUA-AAA-005-BU contains a magnetic sensing element and switching circuit. The magnetic sensing element is an electromechanical reed contact that is when exposed to a sufficiently strong magnetic field, will cause the contact to close. When the magnetic field dissipates, the contact opens.

The switch is designed to be closed when exposed to a specific magnetic field or polarity depending on the type of contact. In the case of the MLX92221LUA-AAA-005-BU, it is designed to be closed when the magnetic flux density of the magnetic field exceeds 0.7 mT (7 gauss). When the magnetic field strength decreases, the contact opens.

The switching circuit of the MLX92221LUA-AAA-005-BU employs a low voltage, low current operating principle with a wide range of operating voltage from 0.45V to 5.5V. Additionally, the switching circuit employs a very low power state (<1 mW) that significantly reduces power consumption and drastically improves battery life in battery powered applications.

The MLX92221LUA-AAA-005-BU is capable of switching power levels up to 5 amperes, making it suitable for applications with higher power requirements. Additionally, the switch has a high sensitivity of detection, and provides a long operating lifetime with an operating cycles up to 1 million.

Conclusion

The versatile MLX92221LUA-AAA-005-BU magnetic sensor switch is suitable for a wide range of applications, from automotive to energy. Its low profile design combined with its low power requirement and high switching current capacity make it an excellent choice for a variety of applications. This magnetic sensor switch is a reliable and cost effective solution for a range of applications.

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