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			<titleStmt><title level='a'>Four Control Freedoms AGD for Hybrid SiC MOSFET and Si IGBT Application</title></titleStmt>
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				<publisher></publisher>
				<date>06/14/2021</date>
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					<idno type="par_id">10317584</idno>
					<idno type="doi">10.1109/APEC42165.2021.9487290</idno>
					<title level='j'>Four Control Freedoms AGD for Hybrid SiC MOSFET and Si IGBT Application</title>
<idno></idno>
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					<author>Yuqi Wei</author><author>Dereje Woldegiorgis</author><author>Rosten Sweeting</author><author>Alan Mantooth</author>
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			<abstract><ab><![CDATA[Silicon carbide (SiC) MOSFET features low switching loss and it is advantageous in high switching frequency application, but the manufacture per Ampere cost is approximately five times higher than the silicon (Si) IGBT. Therefore, by paralleling Si IGBT and SiC MOSFET together, a trade-off between cost and loss is achieved. In this paper, a four control freedoms active gate driver (AGD) including turn-on delay, turn-off delay, and two independent gate voltages, is proposed to optimize the performance of the paralleled device. By adjusting these four control freedoms, optimal operation for paralleled device can be obtained. Moreover, the proposed AGD can dynamically adjust the current ratio between two paralleled devices, which can help achieve thermal balance between two devices and improve system reliability. Double pulse test (DPT) experimental results are presented and analyzed to validate the effectiveness of the proposed AGD for paralleled Si IGBT and SiC MOSFET application.]]></ab></abstract>
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