| CPC G06F 1/266 (2013.01) [G06F 1/3215 (2013.01)] | 13 Claims |
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1. A multiport adapter comprising:
a power connection port connectable to an external power adapter;
a host connection port connectable to a host device;
a peripheral device connection port connectable to a peripheral device;
a power supply circuit configured to receive power from the external power adapter through the power connection port; and
a controller electrically connected to the power connection port, the host connection port, the power supply circuit, and the peripheral device connection port,
wherein the controller is configured to:
control the power supply circuit to distribute the received power from the external power adapter to the host connection port, the peripheral device connection port, and the controller,
receive, through the power connection port, first power information regarding power suppliable from the external power adapter to the multiport adapter,
identify a maximum power value based on the first power information,
determine a third power value by subtracting from the maximum power value a first power value to be consumed by the multiport adapter and a second power value set to be supplied to a peripheral device through the peripheral device connection port,
generate, based on the third power value, second power information about power suppliable from the multiport adapter to the host device, and
transmit the second power information to the host device through the host connection port.
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