DC1989A-B

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DC1989A-B is a two-channel evaluation board for determining the performance specifications of DC/DC and AC/DC printed circuit board (PCB) based switchmode power supplies (SMPS). The board provides the user with an easy to access, pre-loaded hardware platform to evaluate the performance of these low voltage power supplies.

The DC1989A-B board is constructed of four printed circuit layers. The top layer provides two DC output connections, while the bottom layer provides two AC inputs. The layout of the board also incorporates a wide range of components and test points for fine-tuning the output voltage and frequency, and for measuring voltage, current and current ripple.

The key advantage of the DC1989A-B evaluation board is that it is self-contained and provides a ready to use platform for evaluating the performance of DC/DC and AC/DC SMPS. The board is pre-loaded with a full complement of components and ready to be connected to a power supply. It features a low-voltage, two-channel configuration that allows the user to quickly measure the voltage, current and ripple performance of the supply designs.

The board is designed using an integrated power supply controller IC, which provides complete control of the supply circuit. This controller IC includes an internal clock, which can be programmed to generate a frequency that meets the needs of the application. A board-level I2C interface is provided to simplify control and programming of the board, allowing for complete customization of the device without the need for external programming.

The DC1989A-B also includes protection circuitry to protect the board against short-circuit and over-current conditions. The board also incorporates a temperature sensing system to protect the board from overheating conditions.

In use, the DC1989A-B evaluation board is connected to a DC power supply or an AC voltage source, and its two channel outputs are adjusted to the desired current and voltage. The on-board DC-DC converter can be set to run either in fixed frequency or in burst mode. In each of these modes, the user can easily program the frequency, voltage and current settings, allowing for fine control of the supply circuit parameters.

The on-board instrumentation features allow the user to accurately measure and log the supply circuit’s performance. This includes the ability to measure and record the current, voltage, and ripple. The board also incorporates current feedback outputs, voltage regulation, current limit protection, and over-voltage protection, which allows the user to precisely monitor the operation of the power supply.

The DC1989A-B evaluation board is an excellent choice for applications that require reliable, low-cost, and easy to use SMPS performance testing. Its flexible design makes it suitable for a variety of applications, and provides an easy platform for modification or customizing the design. Additionally, the board can be used for a wide range of applications, including automotive, industrial, aerospace, and communications.

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