TPS62750EVM-413

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TPS62750EVM-413 is an evaluation board for the TPS27750 – a synchronous buck converter. The TPS62750 board is ideal for applications such as portable and wall-plug power supplies. This board supports up to 18V input voltage, providing up to 3.3V regulated output voltage with up to 1A load.* It is designed to minimize stress on the system with an inductive filter and synchronous charging.

As a DC/DC & AC/DC (Off-Line) SMPS, the TPS62750EVM-413 offers sophisticated features to evaluate the TPS27750. As a synchronous buck converter, it provides a regulated output voltage despite variations in the input voltage. The board also supports low quiescent current operation, which allows for low standby power consumption. Additionally, the device offers high efficiency with a power good signal that notifies when an output voltage is out of tolerance. This is especially beneficial in power supplies that require high accuracy.

To better understand the operation of the TPS62750EVM-413, it is important to understand how a synchronous buck converter works. The basic function of a synchronous buck converter is to convert a high-voltage input to a lower regulated output voltage. This is achieved by switching the input voltage through a transistor which is connected to the output. When the transistor is switched on, it creates an inductor field which builds up and stores energy. When the transistor is switched off, the inductor field collapses and releases the stored energy, thereby providing the output voltage. By controlling the turning on/off times of the transistor, the output voltage can be regulated.

For the TPS62750EVM-413, the board includes an air-core inductor to achieve the most efficient operation. By minimizing the resistance in the inductor, the efficiency of the converter is increased. Additionally, the board has a high tolerance ceramic capacitor to provide a stable voltage. Thus, even under the most demanding conditions, the TPS62750EVM-413 can provide a reliable output voltage.

The TPS62750EVM-413 also includes several features to reduce noise and to add protection. The board includes an inductive filter which helps to reduce the ripple noise created by the switching events. Additionally, the board has an active discharge circuit which helps to ensure that the output voltage does not exceed the maximum tolerated limit.

Overall, the TPS62750EVM-413 is an excellent choice for evaluation solutions for the TPS27750 synchronous buck converter. With its efficiency, low standby current, and multiple protection features, the board is perfect for portable and wall-plug power supplies. By understanding its working principle, users of the TPS62750EVM-413 can further appreciate its various features and performance.

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