EVB-EN5337QI

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EVB-EN5337QI is a family of high-performance, cost-efficient, and highly reliable evaluation boards that are specifically designed for DC/DC and AC/DC (off-line) SMPS applications. It is a variable-voltage, variable-frequency power supply solution that provides high efficiency and fast transient response.

The EVB-EN5337QI family supports a maximum output power of 25W with a wide input voltage range of 4.5V to 24V. The primary controlling device is the TPS51124A, which has advanced features such as phase-shift control, auto-restart, low quiescent current, pre-biased start up, and many features designed to ensure reliable current delivery during start-up.

The EVB-EN5337QI is designed to enable users to quickly and easily evaluate different components in a flat-pack form factor. With a single-sided PCB, the board assembly can be quickly and easily integrated into a wide variety of application systems. The board also offers a µPIF interface for enhanced flexibility.

Working PrincipleThe EVB-EN5337QI uses a segmented Field Programmable Gate Array (FPGA) as its main building block. The FPGA is programmed with a gate configuration that enables it to accept digital inputs, control the output and communication ports accordingly. The FPGA uses a feedback loop to adjust the output voltage so that it stays within the desired range. The board uses a synchronous rectifier for maximum efficiency and has an integrated advanced switching platform for improved noise performance and faster transient response.

The EVB-EN5337QI includes a host of EMI/RFI filtering capabilities which ensure smooth operations and reduce the chances of malfunctioning. The board is also equipped with overload and short-circuit protection for improved system performance. Additionally, it has an in-phase crowbar protection that safeguards users against unplanned short circuits and damage.

The EVB-EN5337QI also supports a wide variety of test methods, from maximum output power and efficiency tests to easily facilitate development, testing and troubleshooting. It helps users to optimize the total cost of ownership and easily identifies switch or board issues. The EVB-EN5337QI can operate at temperatures as low as -40oC and as high as 85oC, making it suitable for any industrial environment. It also offers on-board CAN and USB connectivity.

ConclusionEVB-EN5337QI is an ideal choice for evaluating DC/DC and AC/DC (off-line) SMPS applications. It offers a wide input voltage range, high efficiency, fast switching speed and EMI/RFI filtering capabilities for greater system reliability. It is an efficient, cost-effective solution for evaluating different components of the application system.

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