EA2102SH

EA2102SH evaluation boards (EBs) are broadly classified as DC/DC & AC/DC (Off-Line) SMPS. These evaluation boards are mainly used for testing power supply (SMPS) designs by running ‘realistic’ demos and simulations. As such, these EB based experiments can be used to understand the static and dynamic performance of different SMPS structures under various load conditions.EA2102SH evaluation boards are based on a flyback topology. The main components of the board include an input fuse, a main power switch, an energy recovery MOSFET, and a separate secondary control switch, along with DC/DC and AC/DC (Off-Line) controllers, input and output capacitors, a bias supply, and an output voltage sensing circuit. This structure makes the EA2102SH EB very versatile and useful for many different applications.The working principle of SMPS EBs in general is to utilize the principle of pulse width modulation (PWM) in order to generate a recognized output voltage from an input supply. This is done by utilizing a feedback loop between the output voltage sensing circuit and the PWM controller. The PWM controller is responsible for regulating the average value of the output voltage by modulating the duty cycle of the input voltage signal. This is done through the switching on and off of power switches depending on the level of the output voltage sensed by the sensing circuit.The EA2102SH EB, in particular, utilizes a very innovative Control Architecture based on a current-mode control operation, which makes it suitable for high frequency/high performance requirements. Moreover, to reduce EMI and RFI, the EA2102SH EB has an integrated Common Mode Noise Reduction (CMNR) circuit.Another popular type of SMPS evaluation board is the two-switch forward converter based board, which operates on the same principle as the flyback board except that two switches are utilized instead of just one. With this configuration, the power switch duty cycle is controlled by the output voltage level while the control switch handles the power distribution between the input and output taps.In addition to providing a comprehensive solution for testing SMPS designs, EA2102SH EBs can also be used as an effective solution for prototyping and developing novel SMPS application with minimal risk. This makes the EA2102SH EBs a preferred choice among Electrical and Electronics Engineers and Power Electronics specialists for low medium and high power applications.In conclusion, the EA2102SH EB is a versatile and effective solution for testing and prototyping various types of SMPS designs. The innovative Control Architecture based on current-mode control operation makes the EB suitable for high performance requirements while its integrated Common Mode Noise Reduction (CMNR) circuit helps to reduce EMI and RFI. Furthermore, its easy to use design and high levels of accuracy make the EA2102SH EB a popular choice among engineers for designing and developing power supply applications.

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