Capacitor sharing surge protection circuit
First Claim
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1. A protection circuit, comprising:
- a plurality of ports;
a plurality of diodes, each diode including a cathode and an anode, wherein each anode is coupled to one of the plurality of ports; and
a bypass capacitor coupled between the cathodes of the plurality of diodes and ground.
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Abstract
A capacitor sharing surge protection circuit for protecting multiple ports from harmful energy surges, such as electrostatic discharge (ESD) and cable discharge events (CDE), is provided. The protection circuit includes a plurality of diodes with respective cathodes and anodes. Each anode of the plurality of diodes is coupled to one of the plurality of ports. A bypass capacitor is coupled between the cathodes of the plurality of diodes and ground. In an embodiment, a bulk capacitor is further coupled between the cathodes of the plurality of diodes and ground.
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Citations
8 Claims
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1. A protection circuit, comprising:
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a plurality of ports; a plurality of diodes, each diode including a cathode and an anode, wherein each anode is coupled to one of the plurality of ports; and a bypass capacitor coupled between the cathodes of the plurality of diodes and ground. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification