Overcurrent protection for universal serial bus type-c (usb-c) connector systems

A system, comprising:

• a Universal Serial Bus Type-C (USB-C) receptacle configured to receive a USB-C connector;
• a first transistor coupled to the USB-C receptacle and configured to connect a VCONN supply terminal of a Universal Serial Bus Type-C (USB-C) controller to a first configuration channel (CC) terminal of the USB-C controller in response to the USB-C connector being in a first orientation, wherein the first transistor allows a first current to flow through the first transistor;
• and
• an overcurrent component coupled to the first transistor, wherein:
• the overcurrent component comprises a second transistor associated with the first transistor, wherein a first input of the first transistor and a second input of the second transistor are coupled to the VCONN supply terminal;
• the second transistor allows a second current to flow through the second transistor;
• the second current corresponds to the first current;
• and
• the overcurrent component is configured to:
• determine whether the first current is greater than a threshold current, based on the first current and the second current;
• and
• close the first transistor in response to determining that the first current is greater than the threshold current.

A method, comprising:

• detecting, by a Universal Serial Bus Type-C (USB-C) controller, an orientation of a USB-C connector mated with a USB-C receptacle coupled with the USB-C controller;
• coupling a VCONN supply terminal to a second CC terminal of a plurality of CC terminals of the USB-C controller based on the orientation of the USB-C connector via a first transistor;
• detecting that a first current flowing through the first transistor is greater than a threshold current using the first current and a second current flowing through a second transistor, wherein the second current corresponds to the first current and wherein a first input of the first transistor and a second input of the second transistor are coupled to the VCONN supply terminal;
• and
• in response to detecting that the first current flowing through the first transistor is greater than the threshold current, closing the first transistor.