Power system and power wake-up method thereof
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United States of America Patent
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Apr 24, 2018
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N/A
app pub date -
May 31, 2016
filing date -
Aug 4, 2015
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Abstract
A power system including power devices connected in parallel and a wake-up bus is provided. Each power devices includes a wake-up signal pin, a power unit and a control unit. The control unit controls a logic level of the wake-up signal pin based on an operation status of the power unit. The AND logic operation performed on the logic level of the wake-up signal pin of each of the power devices results in the logic level of the wake-up bus. The control unit of each of the power devices monitors the logic level of the wake-up bus. When the logic level of the wake-up bus is at a second logic level, at least one power device under a standby mode is switched to an operation mode.
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