Selection of power supply for a host system
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United States of America
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Mar 25, 2025
Grant Date -
Apr 13, 2023
app pub date -
Sep 23, 2021
filing date -
Sep 23, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
In an embodiment, a host system for selecting a power supply includes a processor, a bus interface to connect to a peripheral device, and a power controller. The power controller may be to: determine whether the processor has entered a reduced power mode; determine, via one or more bus messages, whether charging is to be performed for a battery of the peripheral device; and in response to a determination that the processor has entered the reduced power mode and that charging is not to be performed for the battery of the peripheral device, switch from a first power supply to a second power supply as an active power source of the host system. Other embodiments are described and claimed.
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