TPS5403EVM

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The TPS5403EVM ("Evaluation Module") is an off-line, DC/DC or AC/DC, switching power supply development tool. Designed in accordance with the latest TPS54XXX control IC and 50A and 65A power MOSFET family, this evaluation module offers a single stage, synchronous rectified power supply, capable of delivering up to 4.5A (50A) of continuous output current. Its features include adjustable switching frequency, line and load regulation, overcurrent protection and so on. In this article, we will discuss the application fields and working principle of the TPS5403EVM in more details.

Applications Fields: The TPS5403EVM is designed to be used in a variety of different applications, ranging from consumer electronics like DVD players and digital audio systems, to industrial digital control systems and automotive electronics. Its ability to provide adjustable output voltage is particularly suited for powering microprocessors, DC motors and applications that require a precise supply of accurate and reliable power. Furthermore, the TPS5403EVM can also be used in lighting applications, such as LED lighting, where the concentration and efficiency of light generation has to be precise and controllable.

Working Principle: The TPS5403EVM works by using a synchronous rectification conversion process to convert AC or DC input voltage into stable DC output voltage. This conversion takes place within a single stage switching power supply, which makes use of two voltage regulating systems; one to set the output voltage and the other to regulate the current. This creates favorable output voltage characteristics, such as: excellent tight-load regulation, line-regulation, and reduced harmonic distortion. The TPS5403EVM also includes a comprehensive protection system, including independent current limiting, overvoltage protection, and open loop protection.

In conclusion, the TPS5403EVM performs multiple power supply functions, ranging from precise control of voltage and current to comprehensive protection. This makes it an ideal development tool/power supply for applications such as digital audio, consumer electronics, automotive electronics, LED lighting and more.

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