3 ms·
It only happens after negotiation, so the higher potential wattage plays no role here. You'd need both a bad cable and an out-of-spec wall wart.
by nickysielicki 8y ago
It only happens after negotiation, so the higher potential wattage plays no role here. You'd need both a bad cable and an out-of-spec wall wart.
- inetknght 8y agoDo you think that combination of circumstances is rare enough that we shouldn't wonder about it?
- nickysielicki 8y agoMore or less. Either scenario, considered alone, is enough to ruin a downstream device. I don't think it's reasonable to worry about the combination of the two as different from either alone.
- BeeOnRope 8y agoThe failure can happen after negotiation, right?
- nickysielicki 8y agoYeah that's true, the cable could bend and cause a short after the negotiation, but how is a specification supposed to protect against this?
- j16sdiz 8y agoMany reference design have a USB power surge protection circuit.