Back to results
US 2007/0165345 A1Published application
Power over Ethernet electrostatic discharge protection circuit
AssigneeBroadcom Corporation
InventorAgnes Woo
Life of this patent
Estimating the term…
Abstract
A Power over Ethernet electrostatic discharge protection circuit has a first diode with an anode coupled to a positive power port and a cathode coupled to an ESD protection port. A second diode has an anode coupled to ground and a cathode coupled to the positive power port. A third diode has an anode coupled to a negative power port and a cathode coupled to the ESD protection port.
Claims18
A Power over Ethernet (PoE) electrostatic discharge (ESD) protection circuit, comprising:
- a first diode having an anode coupled to a positive power port and a cathode coupled to an ESD protection port;
- a second diode having an anode coupled to ground and a cathode coupled to said positive power port;
- and
- a third diode having an anode coupled to a negative power port and a cathode coupled to said ESD protection port.
1 more element
A Power over Ethernet (PoE) electrostatic discharge (ESD) protection circuit, comprising:
- an Ethernet port;
- a diode including:
- a cathode;
- and
- an anode coupled to said Ethernet port;
- and
- a non-collapsible clamp coupled between said cathode and ground.
4 more elements
Dependencies are inferred from the claim text.