3 ms·
USB-PD negotiation can be done before reaching the laptop, using a fixed-function adapter for the desired voltage and current. Then the final leg of the connect
by walterbell 2y ago
USB-PD negotiation can be done before reaching the laptop, using a fixed-function adapter for the desired voltage and current. Then the final leg of the connection can be power-only. This is used to power older laptops via USB-c and barrel connector.