TLV49613MXTMA1

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Magnetic sensors are often used in a variety of applications, such as proximity sensing, limit switch sensing, and doorstops. The TLV49613MXTMA1 Magnetic Switch is a solid state switch designed for these types of applications. This device utilizes Hall Effect technology to detect a magnetic field, and change the output state accordingly.

The TLV49613MXTMA1 works by sensing the proximity distance of an external magnet or ferromagnetic material. When the heard magnet is in proximity to the device, the sensor detects the presence of the magnet and switches its output state. The device is then ready to be used as an input to start a circuit, or to signal the threshold activation of a Hall effect technology based proximity detection system.

The TLV49613MXTMA1 is typically used in applications that require precision hall effect magnetic sensing, such as automotive and robotics. Automotive applications include presence detection of magnetic brakes, door actuation, and power doors. Robotics applications include position sensing and presence detection of arm components, as well as spindle or axle rotation sensing. Other applications also include sensing of strong or weak magnetic fields, providing switching in various proximity sensing systems.

The operating principle of the TLV49613MXTMA1 is as follows: A sensing die contained within the package detects magnetic field changes. This sensing die is normally powered by an external supply voltage, typically a 3.3V to 5V supply voltage. When the external magnet or ferromagnetic material is in proximity to the sensor, the output switches to a LOW or High state respectively. Reducing the proximity of the magnet will automatically switch the output to the opposite state. The switching thresholds of the output are programmable, and are typically adjusted with the help of external resistors.

The low-power consumption of the TLV49613MXTMA1 makes it well suited for battery operated systems. Low supply voltages (down to 2.5V) provide flexibility in systems that need to operate with different voltage levels. The device includes an internal pull down resistor which ensures a clear output state when no magnet is in range of the device. The device is offered in a tiny 2-pin SOT-23 package.

The TLV49613MXTMA1 is several advantages over traditional “mechanical” switches. It allows for faster response times, and eliminates the need for delicate components that may be subject to harsh environments. Furthermore, this device provides improved accuracy in applications requiring onboard sensing.

In summary, the TLV49613MXTMA1 Magnetic Switch is designed as a simple solution for proximity sensing, limit switch sensing, and doorstops in a variety of applications. This device utilizes Hall Effect Technology to sense the presence of an external magnet or ferromagnetic material. It is typically used in automotive and robotics applications, and provides faster response times with improved accuracy over traditional mechanical switches.

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