US 12,222,790 B2
Power management for Universal Serial Bus (USB) type-C port
Venkataramani Gopalakrishnan, Folsom, CA (US); Ravishankar S., Bangalore (IN); Yaniv Hayat, Folsom, CA (US); and Yi Jen Huang, Kaohsiung (TW)
Assigned to Intel Corporation, Santa Clara, CA (US)
Filed by Intel Corporation, Santa Clara, CA (US)
Filed on Dec. 22, 2020, as Appl. No. 17/131,533.
Prior Publication US 2022/0197364 A1, Jun. 23, 2022
Int. Cl. G06F 1/3234 (2019.01); G06F 9/4401 (2018.01); G06F 13/42 (2006.01)
CPC G06F 1/3253 (2013.01) [G06F 9/4418 (2013.01); G06F 13/4282 (2013.01); G06F 2213/0042 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a power delivery controller; and
a re-timer coupled to the power delivery controller, wherein the power delivery controller is coupled to a device connector which is configured to be coupled to power source device or a power sink device, wherein the re-timer generates an interrupt to the power delivery controller when a link between the device connector and the power source device or the power sink device is in low power state with disabled wake, wherein in response to the interrupt, the power delivery controller is to scale down a power contract with the power sink device to allow the power sink device to draw a suspend current.