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Power MOSFET - Paralleling power MOSFET in high current applications

The focus of this paper is the phenomenon of current sharing – i.e. current distribution between MOSFETs connected in parallel in a half-bridge switching topology. The simulations were performed on an example of a buck converter operating in continuous switching operating point at constant duty cycle (D.C.) and a DC output load current (IL), as well as SPWM modulation with sinusoidal output current waveforms. Similar analysis can be performed utilizing various modulation techniques like trapezoidal or SVM.

1.21 MB
Mar 22, 2022