SHORT CIRCUIT RECOVERY IN UNIVERSAL SERIAL BUS TYPE-C POWER DELIVERY (USB-C/PD) SYSTEMS
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Mar 10, 2022
app pub date -
Sep 1, 2021
filing date -
Sep 1, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A system includes a first USB Type-C Power Delivery (USB-C/PD) port and a control circuit operatively coupled to the first USB-C/PD port. The control circuit is configured to determine whether a short circuit condition has occurred. The control circuit is also configured to turn off a ground isolation switch when short circuit condition occurs. The control circuit is further configured to determine a whether a voltage on a configuration channel line (CC line) is greater than a first threshold voltage. The control circuit is further configured to determine whether the voltage on the CC line is less than a second threshold voltage. The control circuit is further configured to turn on the ground isolation switch when the voltage on the CC line is less than the second threshold voltage. The control circuit may perform one or more error recovery operations after turning on the ground isolation switch.
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