Global Automotive DC-DC Converter Market Assessment, By Propulsion [Battery Electric Vehicle, Fuel Cell Electric Vehicle, Plug-in Hybrid Electric Vehicle, Others], By Product Type [Isolated, Non-Isolated], By Vehicle [Passenger Cars, Commercial Vehicle, Others], By Voltage [3V-14V, 15V-35V, 36V-75V, >75V], By Sales Channel [OEM, Aftermarket], By Region, Opportunities and Forecast, 2017-2031F