[Open Frime TV] has a video addressing this in a novel way, by creating the windings for a switch-mode power supply transformer using stacked PCB coils instead of wire (Russian language ...
It’s Got Coils, so It’s A Transformer ... Dilshan Jayakody, CC BY-SA 2.0. How does a transformer work? An alternating current in a primary winding induces an opposite current in its secondary ...
Bel group company Signal Transfomer has announced its new Wireless Charging Transmission Coils (WCC) in both Single and Multiple Windings for smart car applications, consumer products, controllers, ...