TLV49613MXTSA1

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TLV49613MXTSA1 Application Field and Working Principle

The TLV49613MXTSA1 is a magnetic sensors switch (solid state) from Texas Instruments Trademark. This device is able to cover an application range from consuming weak handsets to vehicles systems to industrial and healthcare. It is a contactless solution for reliable overcurrent monitoring and overvoltage detection. On top of that, it features short reaction time, extended temperature range, and an I2C interface for communication.

The applications of the TLV49613MXTSA1 can be divided into three categories. The first one is aimed to consumption devices, such as smartphones, laptops, and tablets. By using this device, it can detect an overcurrent condition in the device, ensuring the safety of the users. This is especially effective when it comes to USB Type-C ports, as their maximum power rating remains relatively low even in current market conditions.

The second application field is motor vehicles systems. In this case, a contactless and robust overcurrent detection is required, due to both the physical and dynamic requirements. By using the TLV49613MXTSA1, a safe and reliable solution can be implemented in the vehicles, providing an improved safety for both drivers and passengers.

Lastly, TLV49613MXTSA1 can be used in industrial and healthcare applications. Both applications fields require highly reliable monitoring of currents and loads. With the help of the magnetic sensors of the circuit, it can provide an accurate current monitoring.

The working principle of the TLV49613MXTSA1 is based on the concept of inductive sensing. It features two main components: the sensing circuit, and the magnetoresistive bridge. The sensing circuit consists of the inductive winding and resistor, while the magnetoresistive bridge is composed of two Hall elements and two resistors. The inductive winding is able to detect the current or voltage in a wire, and the magnetoresistive bridge can sense the presence of a permanent magnetic field.

The TLV49613MXTSA1 works by monitoring the ratio between the flux seen by each of the two Hall elements of the bridge. When no current or voltage is present, both Hall elements will see equal amount of flux, which results in a perfect bridge balance. As the current increases, due to either an overcurrent or an overvoltage condition, the flux seen by the Hall elements will change, and the bridge will become unbalanced, causing a voltage output on the TLV49613MXTSA1 that can be used as an indication of a fault.

In conclusion, the TLV49613MXTSA1 magnetic sensors switch (solid state) from Texas Instruments Trademark is an effective application solution for consumption devices, vehicles systems, as well as industrial and healthcare environments. Its inductive sensing technology enable the circuit to detect the current or voltage in a wire, providing a reliable overcurrent monitoring and overvoltage detection solution.

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