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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
• 22/03/2022