Patent ID: 11907034
Assignee: CYPRESS SEMICONDUCTOR CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 11:
12. A hub, comprising:
a plurality of USB-C ports, wherein one of the USB-C ports has a higher power priority and the other USB-C ports have a lower power priority; and
at least one Universal Serial Bus (USB)-Power Delivery (PD) integrated circuit (IC) controller configured to:
allocate a guaranteed power budget to each USB-C port of the hub;
reduce the guaranteed power budget allocated to a USB-C port with the lower power priority if measured power for that USB-C port is below its currently guaranteed power budget by a predetermined amount; and
offer additional power budget to the USB-C port with the higher power priority if the guaranteed power budget allocated to a USB-C port with the lower power priority was previously reduced.