DC2113A

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The DC2113A, as an evaluation board by TI Ltd., is used most commonly to evaluate off-line, DC/DC and AC/DC switched-mode power supplies (SMPS). This board\'s layout is specifically designed to allow for easy use; it is simple for the user to integrate the device\'s evaluation into a system with little time and effort.

The DC2113A board uses a metallized polyester film, non-inductive, power resistor to perform as the resistive load. As with the majority of resistive based loads, this load does not offer any real energy storage capability. It can simulate a current load up to 5A. Depending on the configuring resource, this board has a resistance range of 0.49Ω to 4.90Ω.

The power stage of the DC2113A consists of a TPS2597A IC, configured with an input voltage range of 7V-32V. The TPS2597A is a high current N-channel MOSFET switch, capable of outputting up to 5A current. It has adjustable dead-time control, complemented by a slow-start soft-start ramp function. The output voltage can be programmed to be as low as 0.2V. A resistor combination sets the output voltage. A 10-turn potentiometer allows for fine adjusting of the output voltage that is excluded from the load.

The DC2113A board is also fitted with an LCD unit for monitoring and displaying the actual load current and output voltage. This is the main feature of the board that enables the user to accurately assess the evaluation board’s operation without having to fiddle with an oscilloscope. The LCD also features basic indicators for monitoring status of power supplies while the board is in operation.

The DC2113A also has an integrated temperature protection feature. This is implemented via a re-settable circuit breaker, which provides over-temperature protection of the components on the board, by tripping the over-temperature circuit breaker when the temperature exceeds a set point. This guarantees safe operation of the DC2113A system under all conditions, preventing it from running too hot and potentially damaging some on-board components.

In conclusion, the DC2113A Evaluation Board is an ideal tool for evaluating the performance of a DC/DC or AC/DC Switch Mode Power Supply. Its design enables the user to evaluate the board quickly and accurately, by providing visual indicators such as the LCD unit, and by ensuring safe operation through the integrated temperature protection feature.

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