Developing A 25-kW SiC-Based Fast DC Charger (Part 1): The EV Application

by Oriol Filló, Karol Rendek, Stefan Kosterec, Daniel Pruna, Dionisis Voglitsis, Rachit Kumar and Ali Husain, ON Semiconductor, Phoenix, Ariz., How2Power Today, Apr 15 2021

Focus:
Along with the acceleration in the adoption of electrical vehicles (EVs), the demand for fast charging infrastructure is increasing. This article series aims to help designers address this challenge by describing the design and development of a 25-kW fast dc charger which serves as a modular building block for chargers with outputs ranging from tens to hundreds of kilowatts. The 25-kW fast charger block is based on SiC power integrated modules (PIMs) and other components from ON Semiconductor. Here in part 1, the members of ON Semiconductor’s multi-disciplinary engineering team who are developing this charger design are introduced; basic architectural, electrical and functional requirements for the charger are discussed; the design and development process is described, and topics to be covered in this series are outlined.

What you’ll learn:

• How to develop a scalable, fast EV dc charger system based on modular 25-kW charger blocks

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