System, Method and Apparatus for One-Pair Power Over Ethernet in an Automotive Application
First Claim
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1. A method, comprising:
- transmitting, by a power sourcing equipment, a forward path current to a powered device via a single conductor pair, a first portion of the forward path current carried over a first conductor of the single conductor pair and a second portion of the forward path current carried over a second conductor of the single conductor pair, and a return path current from the powered device to the power sourcing equipment carried by a chassis of an automotive vehicle.
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Abstract
System, method and apparatus for one-pair power over Ethernet in an automotive application. In one embodiment, a power sourcing equipment transmits a forward path current to a powered device via a single conductor pair and receives a return path current from the powered device via a chassis of an automotive vehicle.
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Citations
18 Claims
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1. A method, comprising:
transmitting, by a power sourcing equipment, a forward path current to a powered device via a single conductor pair, a first portion of the forward path current carried over a first conductor of the single conductor pair and a second portion of the forward path current carried over a second conductor of the single conductor pair, and a return path current from the powered device to the power sourcing equipment carried by a chassis of an automotive vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A power sourcing equipment, comprising:
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a first port that is configured for coupling to a battery of an automotive vehicle; a second port that is configured for coupling to a single conductor pair; and control logic that is configured to control a delivery of power to a powered device via the single conductor pair, a first portion of the forward path current carried over a first conductor of the single conductor pair, a second portion of the forward path current carried over a second conductor of the single conductor pair, and a return path current from the powered device to the power sourcing equipment carried by a chassis of the automotive vehicle. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A powered device, comprising:
a power transistor that is configured to deliver power to a load, via a single conductor pair, a first portion of the forward path current from a power sourcing equipment carried over a first conductor of the single conductor pair, a second portion of the forward path current from the power sourcing equipment carried over a second conductor of the single conductor pair, and a return path current from the powered device to the power sourcing equipment carried by a chassis of an automotive vehicle. - View Dependent Claims (16, 17, 18)
Specification