USB Type-C

Type C Power Delivery opens up opportunity to create devices that can both produce and consume power, negotiating their own custom power contracts.

Type C is the newest connector in the USB standard. It's capable of USB2 as well as USB3 Superspeed data transmission. Among other capabilities is a functionality subset called "Power Delivery". The new spec uses the CC lines on the connector as a subchannel to negotiate power contracts. When two power delivery capable devices are connected, they can decide which will source power and which will consume it, what bus voltage will be provided, and the maximum allowed current. In this way, it's possible to create devices that can support fast charging at voltages up to 20V and current up to 5A, far exceeding standard USB that's limited to 5V and 3A.

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