MLX90288LDC-CAB-000-SP

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Magnetic Sensors - Linear, Compass (ICs)

The MLX90288LDC-CAB-000-SP is a magnetic sensor IC developed by Melexis and designed for linear and compass applications. It is a component of the MLX90288 series and is specifically focused on the linear sensing of permanent magnets. It is a three-axis device with compensation for the influence of temperature, and includes built-in amplifier circuitry. It is a versatile IC, suitable for different types of automotive applications, such as in automotive seat positioning or head-up displays.

The MLX90288LDC-CAB-000-SP is mainly composed of a magnetoresistive element (MR sensor) with a field range of up to 1.5T, an additional temperature sensor, a compensation circuit, and a compensation networks. The sensor receives the magnetic field information via its three axes and sends it to a conditioning circuit, which compensates for temperature and voltage changes. This is followed by a partial amplifying and level shifting circuit, so the output can be used in digital electronic applications. The output of the sensor is also analog compatible, allowing for easy instrumentation.

In the case of linear sensing, the MLX90288LDC-CAB-000-SP is designed to detect the position of a permanent magnet integrated into a linear or curved surface, such as the frame of a car seat or the handle of a folding door. The sensor is able to sense the position of the magnet to a 1mm resolution, so it is suitable for a range of automotive system applications, such as seat position sensors or folding door sensors.

The MLX90288LDC-CAB-000-SP is also designed for compass applications. This is achieved by having the unique capability to accurately measure the Earth’s magnetic field’s magnitude and orientation for a given landscape. This data is then sent to the processor for further calculations so that the exact heading can be determined. This is a useful tool for navigation, obstacle avoidance or determining the general direction of travel.

The device operates on a typical voltage range of 2.7-3.6V and can support an output voltage of 3-5V. The device is also rated with a maximum allowable current of 5mA and can be powered up to a maximum of 10mA. The MLX90288LDC-CAB-000-SP also features a 7-bit addressable bus and can be configured to operate in either a two-wire or a three-wire setup.

Overall, the MLX90288LDC-CAB-000-SP is an effective magnetic sensing IC, suitable for a range of automotive applications. It is capable of precise linear sensing to a resolution of 1mm, as well as providing accurate compass readings. Its small size and low power consumption make it ideal for a range of microprocessor applications.

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