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University of North Carolina at Charlotte (2015)
  • Mehrdad Biglarbegian, University of North Carolina at Charlotte
this paper presents the design and implementation
of a high density air-core embedded inductor onto Printed Circuit
Board (PCB) at 5 MHz switching frequency, 200W-6A/250nH,
300W-12A/150nH and 300W-18A/50nH. The toroid structure, due
to its better performance on interfacing electromagnetic (EMI)
fields, is investigated. In addition, thermal restrictions are
considered reaching high current capacity with minimum
allocated space to lower the resistance and consequently have the
lowest conductor loss. This research focuses on the thermal
management of high current (18A) on the PCB which would be the
main concern caused by reducing the size, and simultaneously able
to overcome the high resistivity constraint of PCB embedded
inductor. To make high performance inductor, a new optimized
model is proposed and experiments are performed. The primary
results show an acceptable temperature rise (40 􀔨 ) of the
optimized loss high current (18A) inductor without using the heat
sink with very high efficiency that can be utilized in utility
applications. Apparently, this increment can be significantly
reduced after adding the heat sink. Therefore, higher efficiency,
better filtering capability, and lower costs of manufacturing are
among many benefits of the proposed design that it can bring in to
the future high frequency converters by reducing the size of
passive elements.
Publication Date
Fall October 4, 2015
Citation Information
Mehrdad Biglarbegian. "ThermalManagementofHighPowerDensityPrintedCircuitBoardEmbeddedInductors.pdf" University of North Carolina at Charlotte (2015)
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