Circuit elements influence on optimal number of phases of DC/DC buck converter

Circuit elements influence on optimal number of phases of DC/DC buck converter

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The letter deals with the methodology for determining the optimal number of phases of a multi-phase DC to DC buck converter from the point of view of its maximum efficiency. It also analyses the impact of individual parameters of the converter and the used components on the number of these phases.


    1. 1)
      • 1. Hafeez, K.T., Dutta, A., Singh, S.G.: ‘A low-cost multi-phase 3A buck converter with improved ripple cancellation for wide supply range’. 2016 IEEE Int. Symp. on Circuits and Systems (ISCAS), Montreal, Canada, May 2016, pp. 16181621, doi: 10.1109/ISCAS.2016.7538875.
    2. 2)
      • 2. Bereš, M., Schweiner, D., Kováčová, I., et al: ‘Current ripple comparison of multi and single phase buck-boost converters’. 2017 Int. Conf. on Modern Electrical and Energy Systems (MEES), Kremenchuk, Ukraine, November 2017, pp. 260263.
    3. 3)
    4. 4)
      • 4. Bereš, M., Kováč, D.: ‘Digital pulse generator for multiphase boost converter’, Acta Electrotech. Inform., 2014, 14, (4), pp. 4451.

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