DC1578A-A

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DC1578A-A evaluation board is a state-of-the-art circuit board from Texas Instruments, which is used for developing isolated DC/DC and AC/DC (off-line) SMPS (switched-mode power supplies). Its main application fields include cost sensitive applications and applications requiring high efficiency and low noise. The evaluation board is capable of running in dual, single and forward converter topologies.

The DC1578A-A comes with one copper clad board measuring 135mm x 105mm. The board includes a full-featured isolated AC/DC SMPS controller, UCC28760, from the PRIMARION family. The controller contains an advanced converter controlling block, which provides tight control loop. A wide array of features is supported, which include overvoltage and over current protection, current sense amplifier, selectable soft startup, peak current control, minimal duty cycle control, programmable current amplitude filter, programmable under-voltage lockouts, selectable baud rate, input capacitor discharge, power good indicator etc. Some features are user selectable through jumper and a few require software configuration.

The basic working principle of the DC1578A-A evaluation board is quite simple. The board provides a significant output power, which is controlled by the UCC28760 controller. The controller varies the output voltage of the power supply according to the feedback from the current control loop. The current output of the power supply is determined by the current sense amplifier and peak current control feature of the UCC28760 controller. The board also supports a wide input voltage range and enables the user to set the parameters for different output voltage. The board is also capable of running in dual, single and forward converter topologies, depending on the layout and the requirements of the application.

In terms of performance, the DC1578A-A evaluation board provides excellent performance with its advanced UCC28760 controller. It provides relevant feedback to the user for an accurate control of the output voltage and current. Moreover, the board provides an overvoltage, overcurrent and short-circuit protection. The output voltage is also highly stabilized, and the power supply maintains high efficiency over a wide input voltage range.

The DC1578A-A evaluation board stands out due to its easy to use design and wide range of features. It supports a wide input voltage range and can be used in both dual and single topologies. Moreover, it offers advanced features such as overvoltage and over current protection, current sense amplifier, programmable current amplitude filter, etc. Furthermore, the board is capable of providing high efficiency and reliable performance with its advanced UCC28760 controller. Overall, the DC1578A-A evaluation board is an excellent choice for developing isolated DC/DC and AC/DC (off-line) SMPS (switched-mode power supplies).

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