MLX92232LSE-AAA-001-SP

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Magnetic Sensors - Switches (Solid-State) are essential for sensing movement trigger points, over-current protection and electronic control systems. The MLX92232LSE-AAA-001-SP is a common choice. This particular unit belongs to Melexis’ NANOSTAR range of magnetic sensors that have been designed for low-power applications. The MLX92232LSE-AAA-001-SP is engineered for the highly efficient measurement of magnetic fields in a broad range of situations.

Applications

Most notably, the MLX92232LSE-AAA-001-SP is used in industrial duty cycles and automotive applications. For industrial applications, this model is highly reliable and has a fast response time, making it a suitable choice for high speed industrial motor control and rotational speed monitor systems. Additionally, many vehicles now feature power assisted steering systems - the MLX92232LSE-AAA-001-SP can be used to help form a driver assistance system that measures the rotational angles and direction of vehicle motion.

Thermal Characteristics

The MLX92232LSE-AAA-001-SP has an operating temperature range of -40°C to +125°C and storage temperature range of -60°C to +150°C. This is enabled by the sensors low power consumption. It consumes only 2.7mA current at a working voltage of 4.3V. This distinctive feature plays a part in granting a long operational life and a low maintenance factor.

Operation

The MLX92232LSE-AAA-001-SP is a Hall-Effect based solid-state switch. It works by reacting to a magnetic field to generate a signal. When a magnet, depending on the polarity, is placed within a 50mm range of the switch it will actuate the sensor. The device switches a resistive load between a Fixed Hitch rate and the power supply. When energized, the output pulls down at the Fixed Hitch rate. When the magnetic field is removed, the voltage level will return to the power supply voltage.

Functionality

The switch ships with a proprietary I²C interface which enables the user to read the operation mode, operating parameters and status bits. The value of the switch at any given time can be easily monitored. Additionally, the MLX92232LSE-AAA-001-SP is shipped with a PIN-programmable pull down resistor enabling the user to adjust the switching parameters to suit their particular application.

Protection

The MLX92232LSE-AAA-001-SP is shielded by a special protective coating. Its design is deliberate for resistance against EMI, RFI and various other environmental interferences. This and other protective measures ensure the model will serve well in environments with more hostile conditions.

Mounting

It is designed to be mounted in various positions. Its board mounting compatibility and low installation depth makes suitable for applications with tight space constraints. This allows the unit to be housed in motor casings, edge connectors and embedded systems.

Summary

The MLX92232LSE-AAA-001-SP is a magnetic sensor switch manufactured by Melexis. It’s designed for use in a variety of industrial applications and is shielded for protection from EMI and RFI. It is able to switch a resistive load from a fixed voltage to a power supply voltage. Packaged in a small form-factor design, the switch is able to be mounted in tight spaces. It is powered by an I²C interface and robust enough to tolerate some of the harshest of environmental conditions.

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