DC1242A

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DC/DC (off-line) SMPS’ are DC/DC or AC/DC converters that can switch between multiple applications such as power supplies, adaptors, switching regulators, and motor control. These switching converters have the ability to be tailored to their specific application through providing adjustable parameters, programmable outputs, and real-time voltage measurement. Due to the wide range of applications, manufacturers require reliable solutions and products to test these designs.

The DC1242A evaluation board is an example of a device designed to address these requirements. This board is a 2-Phase Interleaved, D-CAP3™ Controlled, and Soft-Switching DC/DC converter. It is optimized for efficiency and features an integrated digital controller and power switches. The DC1242A is based on the C2000™ Piccolo™ F2802x digital signal controllers (DSC) and the UCC28730 controller.

This evaluation board provides a 3.3V output over load, line, temperature, and dynamic requirements. It has a wide operating input voltage range of 4.2V to 75V. It is rated for output currents of up to 6A, with a minimum load of 20mA. It also has an integrated temperature sensing device that monitors the operating and junction temperature.

The DC1242A utilises the C2000™ Piccolo™ F2802x DSC and UCC28730 controller to allow for adjustable parameters which can be applied to the converter. It also allows the user to have multiple emulation block options. These selections aid in the optimisation of the output voltage for the application.

In addition, the DC1242A uses the D-CAP3™ control algorithm which allows for higher efficiency and faster transient response. This also allows for improved ripple performance, constant on-time control, and phase-shift control. The end result is a product that is designed to deliver power efficiently with high stability and rapid response.

The DC1242A is equipped with current sense and voltage sensing circuits to provide real-time system feedback. The current sensing feature enables accurate current measurements for over-current protection and load-line optimization. The voltage sensing circuit provides predictive protection against over-voltage conditions.

Overall, the DC1242A evaluation board is designed to allow for fast and efficient testing of DC/DC or AC/DC converters. It is ideal for applications where performance and reliability are paramount. With its many features and adjustable parameters, the DC1242A ensures that developers and engineers have a device with which they can design and optimise converters for the respective application.

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