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Power Semiconductors: The Key to Electric Vehicle Efficiency
The transition to electric vehicles (EVs) is fundamentally a transition in semiconductor technology. Power semiconductors, like Silicon Carbide (SiC) and Gallium Nitride (GaN) MOSFETs and IGBTs, are crucial. They act as ultra-efficient, high-speed switches that control the flow of electrical energy from the battery to the motor and back during regeneration. SiC chips, in particular, offer higher efficiency, which translates directly into longer EV range, faster charging, and smaller, lighter power systems.
FAQ:
Q: Why are SiC and GaN better than traditional silicon for EVs?
A: They can operate at much higher temperatures, voltages, and switching frequencies with lower energy losses. This means less heat is wasted, improving overall system efficiency by 5-10%.
Q: Who are the main players in automotive power semiconductors?