| 摘要 |
Various exemplary embodiments relate a system and method for supplying power. The system may include an input/output port, a regulator, and a clamp. The regulator may supply power to the input/output port in a first mode, sink current from the input/output port in a second mode, and be disabled in a third mode. The clamp may be disabled in the first and second modes, and may limit the voltage at the input/output port below a first value in the third mode.
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