Articles | Volume 14
https://doi.org/10.5194/ars-14-85-2016
https://doi.org/10.5194/ars-14-85-2016
28 Sep 2016
 | 28 Sep 2016

Challenges and implementation aspects of switched-mode power supplies with digital control for automotive applications

Samuel Quenzer-Hohmuth, Thoralf Rosahl, Steffen Ritzmann, and Bernhard Wicht

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J. Wittmann, A. Seidel, and B. Wicht
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Cited articles

Basso, C. P.: Switch-Mode Power Supplies: SPICE Simulations and Practical Designs, The McGraw-Hill Companies, New York, USA, 2008.
He, M. and Xu, J.: Nonlinear PID in Digital Controlled Buck Converters, in Applied Power Electronics Conference, APEC 2007 – Twenty Second Annual IEEE, 1461–1465, https://doi.org/10.1109/APEX.2007.357709, 2007.
Lukic, Z., Rahman, N., and Prodic, A.: Multibit Sigma-Delta PWM Digital Controller IC for DC-DC Converters Operating at Switching Frequencies Beyond 10 MHz, IEEE T. Power Electr., 22, 1693–1707, https://doi.org/10.1109/TPEL.2007.904199, 2007.
Lunze, J.: Regelungstechnik 2, Springer Verlag, Berlin Heidelberg, Germany, 2010.
Morroni, J., Zane, R., and Maksimović, D.: Design and Implementation of an Adaptive Tuning System Based on Desired Phase Margin for Digitally Controlled DC-DC Converters, IEEE T. Power Electr., 24, 559–564, https://doi.org/10.1109/TPEL.2008.2007641, 2009.
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Short summary
The design of robust analog control for SMPS faces parameter variations of integrated and external passive components. Using digital control, parameter variations can be eliminated and the required area and test costs for the integrated circuit can be reduced at the same time.