Voltage Control for DC-DC Converters

In this paper, we discussed voltage control method for buck convAbdul Basiterter operating in continuous conduction mode (CCM) using analog feedback system. The aim of this work is to control the output voltage of a buck converter during the variation in load current. It is obtained by using analog feedback made with operational amplifier (Opamp). However, the same technique can be applied to other DC-DC converters (e.g boost, buck-boost, cuk converter, etc) in CCM mode, but for the purpose of analysis buck converter is chosen as an example.

1. Usman Rahat: University of Engineering & Technology Peshawar, Pakistan

2. Dr. : University of Engineering & Technology Peshawar, Pakistan

3. Muhammad Salman: University of Engineering & Technology Peshawar, Pakistan

Usman Rahat Dr. Abdul Basit and Muhammad Salman, Voltage Control for DC-DC Converters, "International Journal of Engineering Works", Vol. 5 Issue 10 PP. 198-202 October 2018.

[1]     R. W. Erickson and D. Maksimovic, Fundamentals of power electronics. Springer Science & Business Media, 2007.

[2]     R. Middlebrook and S. Cuk, “A general unified approach to modeling switching-converter power stages,” in Power Electronics Specialists Conference, 1976 IEEE. IEEE, 1976, pp. 18–34.

[3]     J. Mahdavi, A. Emaadi, M. Bellar, and M. Ehsani, “Analysis of power electronic converters using the generalized state-space averaging approach,” IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications, vol. 44, no. 8, pp. 767–770, 1997.

[4]     R. Middlebrook, “Small-signal modeling of pulse-width modulated switched-mode power converters,” Proceedings of the IEEE, vol. 76, no. 4, pp. 343–354, 1988.

[5]     W. Polivka, P. Chetty, and R. Middlebrook, “State-space average modelling of converters with parasitics and storage-time modulation,” in Power Electronics Specialists Conference, 1980. PESC. IEEE. IEEE, 1980, pp. 119–143.

[6]     R. Erickson, “Dc-dc power converters department of electrical and computer engineering university of colorado boulder, co 80309-0425,” Article in Wiley Encyclopedia of Electrical and Electronics Engineering, 1999.

[7]     E. Van Dijk, J. Spruijt, D. M. O’sullivan, and J. B. Klaassens, “Pwmswitch modeling of dc-dc converters,” IEEE Transactions on Power Electronics, vol. 10, no. 6, pp. 659–665, 1995.

[8]     A. Ayachit, A. Reatti, and M. K. Kazimierczuk, “Small-signal modeling of pwm dual-sepic dc-dc converter by circuit averaging technique,” in Industrial Electronics Society, IECON 2016-42nd Annual Conference of the IEEE. IEEE, 2016, pp. 3606–3611.