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Why Your USB-C Charger Won't Talk to Cheap Devices
Daniel has a 300W GaN charging brick with ten ports, and one of them refuses to charge his pocket speaker. USB-A works fine. USB-C to USB-C just makes the light flash red. Is the speaker damaged? Did the charger fry it? Not even close. This episode unpacks the two completely different philosophies behind USB-A and USB-C power delivery: one is a dumb pipe that hands out five volts unconditionally, the other waits for a proper introduction over the Configuration Channel before it energizes anything. We walk through the resistor-based current tiers, the Power Delivery menu of voltage and current…
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