公开(公告)号：US20200310508A1

公开(公告)日：2020-10-01

申请号：US16809404

申请日：2020-03-04

Applicant: STMICROELECTRONICS (GRENOBLE 2) SAS

Inventor： Cedric FORCE ,  Thomas ALOFS ,  Christophe COCHARD ,  Olivier SCHULER

IPC: G06F1/30 ,  G06F13/38 ,  G06F13/40

Abstract: A power supply generates a power supply signal to provide electric power over a USB type-C bus. The power supply includes temperature sensing circuitry which senses indications of temperature of the power supply. Control circuitry coupled to the power supply circuitry and the temperature sensing circuitry compares indications of temperature sensed by the temperature sensing circuitry to three thresholds. The control circuitry determines a limit on available electric power provided by the power supply circuitry over the USB type-C bus based on the comparing. The limit on available electric power is set to one of three or more power levels based on the comparing.