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@simonlbn @delroth The USB-PD spec supports a maximum of 5A at all voltages, but most implementations top out at 3A at 5V because apparently nobody is going to want 5V at 5A, right?

Pretty sure they’re not violating the spec - it’s more that a lot of chargers violate the spec by making assumptions. Given the ferocious heat budgeting that must go on in RPi design and the fact that buck/boost converters will always generate heat (and the higher the current, the more heat) I can understand not wanting to do that on the board.