ABSTRACT
The rapid growth of electric vehicles (EVs) has necessitated the development of compact, efficient, and reliable powertrain systems. Integrated motor-drive converters (IMDCs) represent a promising solution for enhancing power density, reducing system complexity, and improving energy efficiency in EVs. This paper presents a comprehensive review of IMDC technologies, design considerations, and their role in compact EV powertrains. We discuss the principles of integration, converter topologies, control strategies, thermal management, and recent advances in semiconductor devices. Comparative studies with traditional separate motor and inverter systems highlight the advantages and challenges of IMDCs. The review concludes with future research directions, including high-frequency operation, wide-bandgap semiconductor adoption, and multi-functional integration for next-generation EVs.
KEYWORDS: Electric vehicle, integrated motor-drive converter, Powertrain, Silicon carbide, Wide-bandgap devices, Energy efficiency, Thermal management
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