TPS76XXXEVM-125

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Linear voltage regulators are used across a variety of applications, ranging from industrial control systems to consumer electronics. The TPS76XXXEVM-125 is an example of such a regulation device, designed to provide a stabilized output voltage at an accurately controlled level. This article will examine the range of applications for this device, as well as its working principle.

Application Field

The TPS76XXXEVM-125 linear voltage regulator is well suited to a range of electrical systems, including automotive, industrial, consumer and general use. As it supports up to 26V input voltage with programmable 5V or 3.3V output, it is capable of providing a stable source of power for microprocessors, servos, sensors and other electronic components. Additionally, it can be used to power audio and video systems, as well as LED lighting systems, with its integration of an efficient switching regulator avoiding over-voltage and inrush protection.

In terms of automotive applications, the device can be used for powertrain monitoring systems, electric windows, entertainment systems, airbag deployments, HVAC systems, and electronic body control.

In addition, for industrial applications, the device is capable of providing regulated power supply for automation systems, robotics, and power transfer systems. It also provides short-circuit, over-voltage and dielectric protection.

Overall, the TPS76XXXEVM-125 has widespread uses across a range of industries, including automotive, industrial, consumer, and general purpose.

Working Principle

The TPS76XXXEVM-125 linear voltage regulator adopts a push-pull converter circuit. This circuit primarily consists of two transistors, which drive the load through a common-emitter configuration with changes in input voltage. The output voltage is obtained from the voltage drop at the collector electrode of the transistor pair, which is set by a feedback circuit. Therefore, the output voltage is closely related to the base voltage.

The device employs an internally-configured voltage reference circuit and error amplifier. The voltage reference circuit provides a stable, accurately-controlled output voltage while the error amplifier gives the user the ability to change the output voltage as desired.

In terms of current supply, the device utilizes a buck converter. The buck converter operates at a set frequency and provides the necessary output current. The current is passed through multiple stages of alternating current switches in order to obtain the desired voltage amplitude. In addition, an over-voltage protection system is included which monitors the output current and shuts off the switches, should the current exceed the specified threshold.

In conclusion, the TPS76XXXEVM-125 evaluation board is a reliable linear voltage regulator. It is capable of providing a highly-accurate output voltage, while also providing protection against overvoltage, inrush current, and short-circuiting. The device has a wide variety of applications across multiple industries, and is suitable for a range of electrical systems, from audio and video systems to robotics and automation systems.

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