For instance, USB 2 is a full-duplex pseudo-differential bus, and it’s not AC-coupled ... the overwhelming majority of hub ICs can be powered from 3.3 V directly – usually, that requires ...

It also can fast-charge a smartphone with its integrated USB-C dock, which a bus-powered USB hub like the ones above can’t do. It also puts out about 90W to your laptop, which is enough to power ...

Going all the way hack to the heady days of Eee PC modding, hardware hackers have been on the hunt for small USB hubs that can easily ... there aren’t power lines for the downstream devices ...