Invention Grant
US08625242B2 Failsafe galvanic isolation barrier 有权
故障电流隔离屏障

Failsafe galvanic isolation barrier
Abstract:
A system includes a transmitter, a receiver, a isolation barrier, and a fuse. The isolation barrier is connected to the transmitter. The fuse is connected between the isolation barrier and the receiver. The isolation barrier prevents current flow from the transmitter to the receiver when a voltage across the isolation barrier is less than a first breakdown voltage. The isolation barrier short circuits when the voltage across the isolation barrier is greater than or equal to the first breakdown voltage. The fuse opens when the isolation barrier short circuits. When open, the fuse has a second breakdown voltage that is greater than the first breakdown voltage.
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