EVB-EM2130L02QI

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The EVB-EM2130L02QI evaluation board is used for the application of the EM2130L02QI, a monolithic synchronous green-mode PWM controller designed to work with a wide variety of DC/DC and AC/DC (off-line) SMPS. The goal of the evaluation board is to allow users to experiment with the advanced features of the EM2130L02QI and to get familiarized with the characteristics of the device. The evaluation board is designed to provide the user with an easy and intuitive platform to evaluate and explore the various features of the EM2130L02QI.

The EVB-EM2130L02QI is designed to allow users to build a wide range of DC/DC and AC/DC (off-line) SMPS circuits. The board is based on a topology of flyback converter with an LLC resonant structure and is capable of driving half-bridge converters. It includes a wide range of user-friendly features such as a crankback function to protect against overtemperature, undervoltage and overvoltage conditions. The evaluation board also has a built-in power stage consisting of a high current gate driver and a half bridge of MOSFETs.

The working principle of the evaluation board is based on the EM2130L02QI IC. The evaluation board uses the IC’s programmable features to control the switching of the power stage. The controller is optimized to provide a high-efficiency DC/DC or AC/DC off-line SMPS. The switching frequency of the evaluation board is adjustable from 50kHz to 2MHz. The controller IC provides output regulation and constant voltage, current and power over a wide input voltage range.

The main advantages of the EM2130L02QI evaluation board are its wide adjustable output power range and its on-chip sensing inputs. The sensing inputs are designed to allow the user to monitor not only output voltage and current but also input voltage and temperature. The input signals are monitored via I2C bus, allowing for easy adjustment and control of the power stage. In addition, the evaluation board includes protection features such as hiccup mode for overload protection, frequency spread control to reduce ringing and power factor correction (PFC) to improve the input power factor.

To use the EVB-EM2130L02QI evaluation board, the user must first connect the power supply to the board. The power supply should be capable of providing the desired voltage and current required for the application. The user then has several programming options available for the evaluation board. The programming can be done using either a computer using the on-board USB port, or by connecting a compatible programming device to the board. Once the user has completed the programming of the board, the power can be applied and the supply will begin to operate.

In conclusion, the EVB-EM2130L02QI evaluation board is a useful tool for the development and evaluation of DC/DC and AC/DC off-line SMPS circuits. Its wide range of programmable features and sensing options make it possible to configure the power stage for a wide variety of applications. The board also includes protection features to ensure safe operation. The board is also user-friendly and easy to set up.

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