STEVAL-ISA054V1

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The STEVAL-ISA054V1 is a member of the STEVAL-ISA05X range of off-line SMPS evaluation boards, which are designed to demonstrate the features and performance of STMicroelectronics’s STSPIN series of low-power MOSFET drivers. The board’s outputs range from 0.25 W to 0.7 W (from 300 VAC at 2 A to 230 VAC at 4 A), making it well suited for a wide range of power requirements.

The STEVAL-ISA054V1 evaluates the chip level performance of STMicroelectrics’ SM0805H in various SMPS topologies and output levels. Its high efficiency and low noise output make it a good choice for applications such as battery chargers, LED lighting systems, power supplies, motor drives, etc. Additionally, its SMPS topology makes it easy to adjust its output power, allowing the design to be tailored for any specific application.

The board features a universal input voltage (100 VAC to 265 VAC), making it suitable for global applications. Its on-board protection features, such as over-voltage, over-current, over-temperature, and short-circuit protection, help to ensure reliable operation.

The STEVAL-ISA054V1 is a 2-channel driver, suitable for single-ended SMPS topologies such as flyback and BuckWash-Recline. It includes a frequency dithering feature, which allows the output frequency to be adjusted depending on the application’s requirements. Additionally, it includes an integrated current mode controller with an internal OVP comparator for stable output current and improved system reliability.

The STEVAL-ISA054V1 is built on a four-layer PCB with optimized layout to minimize losses and increase efficiency. It includes an internal snubber circuit for improved performance and it comes with two resistors and capacitors, allowing the user to tailor the output voltage and current to their specific application.

The STEVAL-ISA054V1 is a versatile and reliable off-line SMPS evaluation board, suitable for a variety of applications. It has a wide input voltage range, integrated protection, current mode control with built-in OVP comparator and a frequency dithering feature. Its layout is optimized for minimum losses, and it comes with two resistors and capacitors, allowing the user to tailor the output power for their specific application. All of these features make the STEVAL-ISA054V1 a great choice for a wide array of power requirements.

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