DC-power supply device, DC-powered device, and operating methods
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United States of America
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Sep 10, 2024
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N/A
app pub date -
Nov 1, 2019
filing date -
Nov 1, 2019
priority date (Note) -
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Abstract
The invention relates to a DC-power supply device (400) for supplying operational DC-power to one or more DC-powered devices that have respective DC-power requirements, that comprises a power interface (402) for providing, via a single twisted-pair wired bus (401), DC output power, a DC-power-supply network communication unit (404) configured to receive DC-power requirement information indicative of a DC-voltage requirement and a DC-current requirement for operation of the respective connected DC-powered devices, and a DC-power-supply control unit (406) configured to drive, in an initialization supply mode, delivery of initialization DC-output power amount, that is suitable for transmission by the DC-powered devices of respective DC-power requirement information, to determine, using the DC-power requirement information and a power-determination rule, and provide an operational DC output power for powering operation of at least one the DC-powered devices in its regular operation mode, thus enabling a powering of multiple DC-powered devices having different DC-power requirements.
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