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Digital control for switched mode DC-DC buck converters

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3 Author(s)
Trip, N.D. ; Fac. of Electr. Eng. & Inf. Technol., Univ. of Oradea, Oradea, Romania ; Dale, S. ; Popescu, V.

The paper presents the design of a PI digital controller used to control the output voltage of a switched mode DC-DC buck converter. The digital controller is implemented with the help of an 8 bit microcontroller. To derive the control law of the PI controller, the switched mode DC-DC converter is modeled as a linear system using the state variables averaging technique. The authors also present the simulation and experiments results related to the theoretical aspects mentioned in the paper.

Published in:

Electronics and Telecommunications (ISETC), 2010 9th International Symposium on

Date of Conference:

11-12 Nov. 2010