Multi-port extension for multi-rail point-to-point power management interfaces
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United States of America Patent
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Nov 19, 2019
Grant Date -
Dec 27, 2018
app pub date -
Jun 27, 2017
filing date -
Jun 27, 2017
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Abstract
A power converter system is provided that supports multiple voltage rails through a plurality of point-to-point power management communication buses. The power converter system includes a plurality of power converters each of which is operable to output an independent voltage rail regulated at a defined voltage level, a plurality of ports each of which is configured for point-to-point communication over a dedicated serial communication power management bus with single and multiple voltage rail support, each port being dedicated to a single serial communication power management bus, the power converter system having fewer ports than voltage rails, and configuration logic operable to flexibly assign each power converter to one of the ports based on configuration information stored in or provided to the power converter system, so that each power converter communicates over the serial communication power management bus to which the port assigned to that power converter is dedicated.
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