Patent ID: 8724279

Claim:
A system for providing short circuit protection, the system comprising: a supply circuit comprising a supply input, a supply output, a first transistor comprising an input terminal coupled to the supply input, an output terminal coupled to the supply output and a control terminal, a first resistance coupled between the supply input and the control terminal of the first transistor, a second transistor comprising an input terminal coupled to a supply reference potential, an output terminal coupled to the control terminal of the first transistor, and a control terminal, a second resistance coupled between the supply output and the control terminal of the second transistor; and a third resistance coupled between the supply input and the control terminal of the second transistor, wherein the supply circuit is configured to deliver an output current at the supply output, and disable the supply output if the output current exceeds a first current limit; and a series switch coupled between the output terminal of the first transistor at the supply output of the supply circuit and a supply node, wherein the supply node is configured to be coupled to a load.