Effects of parasitic phenomena in half bridge with Super Junction MOSFETs suitable for UAV

作者: Luigi Abbatelli , Angelo Raciti , Rosario Scollo , Giuseppe Mauromicale , Santi Agatino Rizzo

DOI: 10.23919/AEIT.2019.8893414

关键词:

摘要: There is an increasing interest in developing unmanned aerial vehicles (UAVs) for small size objects delivering. The efficiency and cost of the on board power converters are important aspects their rapid spreading. Moreover, lifetime, safety, reliability converter powertrain crucial. In this perspective, voltage overshoots oscillations due to parasitic phenomena stresses be cared. work, effects a half bridge have been analyzed since it can represent leg three phase inverter feeding motor UAV. Automotive grade super junction (SJ) MOSFET has considered because presents high level with increased lifetime expectancy less subjected overshoot oscillation issues. SJ mature technology better cost. paper, extensive parametric analysis carried out by performing several LTspice simulations highlight both drain source-voltage efficiency. results firstly validated, then useful design constraints identified.

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