TPS563900EVM-574

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The TPS563900EVM-574 is an off-line, DC/DC and AC/DC power supply evaluation board designed to evaluate Texas Instruments TPS563900 series synchronous buck converter solutions. This evaluation board provides an excellent platform to evaluate the TPS563900 family of parts in applications where an isolated input is required for operation. It has been designed to provide up to 3 A of output current from an input voltage of 6 V to 32 V.

The TPS563900EVM-574 board consists of the TPS563900EVM-574 Circuit Board, a Voltage Output Adapter Board, a Control Panel and a Variable Output Voltage and Current Adapter Board as shown in Figure 1. The TPS563900EVM-574 Circuit Board contains the circuit necessary to evaluate the TPS563900 family of synchronous buck converters. The Voltage Output Adapter Board is used to provide two versions of voltage and current outputs: one is adjustable with a potentiometer and the other is fixed. The Control Panel is used to enable and disable the board, control the current limiting protection circuit, adjust the switching frequency, and turn on and off the driver for the power switch of the TPS563900.

The TPS563900EVM-574 board is designed for applications such as lighting systems, industrial control systems, digital signage, and telecommunications networks that require power from a 12 V input. It can also be used in applications where a higher input voltage is required, such as 19 to 48 V DC. The board can be used to evaluate the TPS563900 family of parts in applications that require an isolated input.

The working principle of the TPS563900EVM-574 board is based on the TPS563900 synchronous buck converter IC. The TPS563900 is a synchronous buck converter that is designed to deliver up to 3 A of continuous output current from a 6 V to 32 V input voltage range. The TPS563900 features a 39 V transient protection feature, allowing it to be used in applications with varying and unpredictable voltage spikes. The IC also has an adjustable switching frequency that can be set to a frequency from 200 kHz to 1 MHz. This feature makes it ideal for applications that require very precise control of the switching frequency. The TPS563900 also features an adjustable current-limit protection circuit that can be set to protect the part from excessive current draw.

The TPS563900EVM-574 board implements several features to protect the part from over-current and over-voltage. The board is also designed with multiple connections that make it easy to access the IC and to make measurements accurately. The board has two test points that can be used to measure the output voltage and current and to monitor the transient response of the IC. The board also includes two solder pads, one for the input voltage connection and one for the output voltage connection. The board also includes a voltage adjust knob that allows the user to adjust the output voltage of the board, and an enable/disable jumper that can be used to enable/disable the board.

The TPS563900EVM-574 board is a powerful tool for evaluating the TPS563900 family of parts in applications where an isolated input is required for operation. This evaluation board provides a comprehensive and user-friendly platform to compare the performance of different products in a wide range of applications.

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