EVAL6920DB1

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The EVAL6920DB1 is an evaluation board from STMicroelectronics, for use in applications requiring a step-down switching power supply and high performance features. The board is specifically designed for a variety of DC/DC and AC/DC (Off-Line) SMPS applications, offering power levels up to 300W. It consists of a three-phase buck bridge converter that utilizes a 650V Avalanche Rugged™ IGBT, along with all the associated components to provide an easy to use and understand evaluation environment.

The EVAL6920DB1 board can help reduce system development time and cost, and accelerate time to market by providing a complete power conversion solution that can be quickly implemented and tested. It is also capable of providing efficient output power regulation across a wide range of operating conditions. This makes it ideal for applications requiring high performance and tight regulation over a wide input voltage range.

Components on the board are soldered onto a two-layer printed circuit board, using a professional soldering process. This high-grade soldering process results in a circuit with superior electrical performance and reliable fault protection – features that are essential for DC/DC applications. The EVAL6920DB1 evaluation board provides a wide-range of performance features, including a Constant OFF Time zero-voltage-switching (COT) PWM supply for high efficiency, and a programmable current-mode PWM controller for easy set-up and smooth regulation.

The evaluation board also includes a wide range of protection features. These include over-current protection, over-voltage protection, and short-circuit protection. It also provides an additional option for over-temperature protection by utilizing a thermistor interface to an external temperature sensor, such as a thermistor. The user can set the temperature threshold to activate the protection feature.

The EVAL6920DB1 evaluation board is engineered to handle high reliability environments. It has been extensively tested for safety, as is evidenced by its UL-listed approval and compliance with the IEC 61010 standard for electrical equipment. The evaluation board also incorporates extensive transient testing to ensure minimal electrical interference and consistent performance.

To further enhance its user-friendly design, the board includes a graphical user interface, including visual diagrams and data displaying the output power, PWM output duty cycle, and other key parameters. This makes it easy for users to quickly view and assess performance and to observe different operating behaviors. Finally, the board is also designed to work with all industry-standard input voltage sources including AC line-voltage and DC battery.

Overall, the EVAL6920DB1 evaluation board from STMicroelectronics is an excellent choice for DC/DC and AC/DC (Off-Line) SMPS applications. It offers high performance features and comprehensive protection features, along with an easy to use graphical user interface. This makes it an attractive choice for designers needing a reliable, efficient, and cost effective power solution.

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