To be clear, I don't mean the car's on-board charger which I know does the actual transformation, rectification and charging - but rather the box you have between your wall outlet and the Type 2 plug. I know Type 2 supports 230V single-phase (indeed I think my car's onboard charger only uses a single phase even if three are provided), so there's no transforming going on. Sure, a lot of them have wi-fi connectivity and apps and other bells and whistles - but what's the main task here - is it just to generate the PWM signal communicates the charging current in the J1772 protocol?
Asking because they seem awfully expensive in that case - €100 for the very cheapest, easily 5 times that for a '
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