TPS53127EVM-614

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TPS53127EVM-614 is an Evaluation Module that is part of a family of products from the Texas Instruments SMPS Power Supply Platform, categorized as an Evaluation Board for DC/DC and AC/DC (Off-Line) SMPS. This evaluation board is designed to evaluate the performance of the TPS53127, a 4-V to 24-V synchronous step-down DC/DC switching regulator that offers low power standby and low quiescent current.

TPS53127EVM-614 features a high efficiency, low noise switching regulator. It offers a wide range of features, including direct adjustment of output voltage from 0.6 V to 1.8 V via a DIP switch and short-circuit protection. Furthermore, the board is capable of providing up to 4 A of current, while still delivering a high efficiency of up to 96%. This makes it ideal for applications such as powering LED displays, portable power, and automotive systems.

TPS53127EVM-614 also includes an adjustable output current limit, as well as enable and frequency synchronization capabilities. The device also includes overvoltage and overcurrent protection, as well as temperature compensation. Additionally, the EVM allows users to easily evaluate the performance of the entire design, from start-up to peak load conditions.

The working principle of TPS53127EVM-614 is based on the synchronous rectification. It uses external N-channel MOSFETs to control the output voltage and current accurately. The device consists of two main components, the power controller and the power MOSFETs. The power controller contains a high-side switch and one or more stages of synchronous rectifiers, depending on the requirements of the application. These rectifiers are responsible for the high efficiency and switching frequencies of the device. The power MOSFETs are mainly responsible for controlling the voltage and current of the output.

TPS53127EVM-614 also features a Free-Time Pattern Control (FTPC) feature, which is designed to reduce EMI emissions and improve the EMI immunity of the device. The FTPC feature takes advantage of the front-end-to-backend leakage current that occurs during switching transitions and uses this to reduce the rise and fall time of the switching transition. This increases the dv/dt of the output voltage pulse and reduces the amount of EMI generated.

In conclusion, TPS53127EVM-614 is an ideal Evaluation Module for DC/DC and AC/DC (Off-Line) SMPS. Thanks to its special features, such as short-circuit protection and adjustable output voltage and current limit, it is ideal for a wide range of applications such as power LED displays, portable power, and automotive systems. Furthermore, its Free-Time Pattern Control (FTPC) feature reduces EMI emissions and improves the EMI immunity of the device.

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