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  3. GaN power ICs drive Efficiency and Size Improvements in BLDC Motor Drive Applications

GaN power ICs drive Efficiency and Size Improvements in BLDC Motor Drive Applications

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  • Author: Alfred Hesener
For many years, the IGBT (and more recently, the superjunction MOSFET) has been the workhorse as power switch in inverters for motor drives. But both IGBTs and silicon MOSFETs feature p-n junctions in the current path, requiring reverse recovery when the device turns off, contributing significantly to the switching losses.
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