NCP1523BGEVB

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The NCP1523BGEVB, whose full name is NCP1523B Series Evaluation Board, is an evaluation board designed for the NCP1523B family of green mode power factor correction (PFC) controllers. It is categorized under Evaluation Boards - DC/DC & AC/DC (Off-Line) SMPS.

The NCP1523BGEVB is intended to provide engineers with a convenient platform to evaluate and test the performance and features of the NCP1523B series green mode PFC controller. It allows users to quickly design and develop a highly efficient, low power consumption ac-dc off-line SMPS system. The board supports a range of output voltages of 12V through 48V, up to 40kHz switching frequency with 600 V MOSFET, programmable 0.9 - 0.95 Power Factor, sensitive gate driver for fast response times and high efficiency.

The NCP1523BGEVB features an integrated NCP1523BMNC controllers, Schottky diode, capacitors, resistors, as well as an on-board oscilloscope, two-channel logic analyzer and an analog signal generator. It also has support for up to three external auxiliary power supplies of 12V and 48V, which allows users to meet the power needs of higher order processors and other device designs. The board also supports both AC and DC input current measurements, providing users comprehensive current and voltage information for design and debugging purposes.

The NCP1523B family of green mode PFC controllers can deliver up to 97% efficiency, while meeting EMI standards of EN55022 (Class B) and EN55024 (Level 4). This family of controllers also support frequency jittering techniques for noise reduction, making them suitable for applications in home appliances, servers, set-top boxes, Smart TVs, industrial and medical instrumentation, and battery-operated portable products.

The NCP1523BGEVB features a simplified evaluation process that allows users to get up and running quickly on their project. It includes provisions for attaching and testing external load sources, implements a universal design for both buck and boost topologies, and has integrated I2C communication that allows real-time settings and monitoring of parameters. It also includes an intuitive graphical user interface (GUI) for tuning the parameters, programming the internal registers, and for viewing the various waveforms.

In terms of its working principle, the NCP1523BGEVB is designed to provide a regulated regulated-back voltage output from an ac power line input. This is accomplished by using the integrated NCP1523BMNC controllers, which combine the functions of a PFC converter and a controller into one IC. The PFC runs in discontinuous operation in order to synchronize the input voltage and current waveforms, making it efficient. The controller then regulates the DC bus voltage to generate the desired output voltage, which is then applied to the load.

Overall, the NCP1523BGEVB is a versatile and user-friendly evaluation board that allows users to evaluate and experiment with the performance and features of the NCP1523B family of green mode PFC controllers. It is an invaluable tool for implementing a high performance, low power off-line SMPS systems with superior power factor and high efficiency.

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