DC542A

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DC/DC & AC/DC (Off-Line) SMPS Evaluation Board - DC542A

DC542A is an evaluation board designed to be used in the evaluation of off-line surface mount (SMT) DC/DC and AC/DC power converters. It is a compact board that comes equipped with a high-efficiency, low-cost dc/dc power supply with both regulated and unregulated outputs, which makes it suitable for a variety of smps design application. It features an integrated current sense transformer, integrated power MOSFETs and a wide range of control, monitoring, and programming features.

The DC542A is a very versatile platform for evaluation of off-line smt power supplies. In its simplest form, the board works as a traditional dc/dc converter with unregulated primary and secondary outputs. With its integrated components, the output voltage can be regulated with both resistive and PWM-type feedback control circuits, allowing for the creation of robust, high-performance designs. In addition, the board’s current sense transformer and high-efficiency power MOSFETs enable the design of a standalone power supply, as well as providing the capability to create highly efficient and cost-effective mixed-mode configurations.

The dc/dc converter of the DC542A is based on a zero-current-switching topology that ensures the maximum efficiency in a variety of application and has a very high degree of integration. Specifically, it features a low-side high-efficiency power MOSFET and a current transformer, which provides for a low-power and non-invasive current sensing. Another key feature of the DC542A is its capability to provide multiple regulated outputs through pulse-width modulation (PWM) or resistive control.

The board also presents a wide range of control, monitoring, and programming functions. It allows for self-contained voltage regulation and an array of features such as adjustable overvoltage protection, precision current monitor, temperature sensing and control, as well as an integrated LCD, using an LCD protocol. Through its integrated voltage and current sensing, the board also allows for remote monitoring and programming via USB or RS-232, for an optional, external display.

The board also provides several protection features, including linear and switching voltage regulation, overvoltage protection, current-limit protection, and thermal protection. It also features integrated DC/DC fault indication via an optional LED/buzzer.

The DC542A provides a compact and economical evaluation platform for off-line SMT power supply design. It enables designers to reduce design cycles by providing a pre-integrated platform for rapid development, evaluation, and testing of dc/dc and ac/dc converters, and provides all the necessary features for creating a reliable and high-performance power supply. The board’s wide range of control and sensing features also makes it suitable for a wide range of applications, from industrial to consumer electronics.

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