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An Experimental Approach for Locating the Current Distribution in Multiphase Buck Converters.
- Source :
- IEEE Transactions on Electromagnetic Compatibility; Dec2014, Vol. 56 Issue 6, p1344-1351, 8p
- Publication Year :
- 2014
-
Abstract
- The objective of this paper is to present a methodology for identifying the current flow in the capacitors of a multiphase buck converter by synchronously measuring the capacitor currents. A multiphase buck converter uses multiple parallel buck converters with different switching times to source a large amount of current. Currents in the primary capacitors of a multiphase buck converter are drawn by all phases of the converter; however, the phases switch asynchronously. Synchronizing to the switching of a specific phase reveals how the current from that phase is distributed among the capacitors throughout a circuit board. The proposed measurement method is illustrated by comparing an initial printed circuit board design to a new design to show the effect of better capacitor placement and the addition of a ground plane. The new design confines the phase currents to the capacitors close to the field effect transistors of the specific phase. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00189375
- Volume :
- 56
- Issue :
- 6
- Database :
- Complementary Index
- Journal :
- IEEE Transactions on Electromagnetic Compatibility
- Publication Type :
- Academic Journal
- Accession number :
- 100077434
- Full Text :
- https://doi.org/10.1109/TEMC.2014.2343834