Power level switching circuit for a dual port adapter
First Claim
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1. A power brick comprising:
- a first port configured to provide power to a first computing device;
a second port configured to provide power to a second computing device;
a first switch coupled to the first port and configured to select one of a first resistor configuration and a second resistor configuration based on a current draw of a load associated with the second computing device coupled to the second port; and
a second switch coupled to the second port and configured to select one of the first resistor configuration and the second resistor configuration based on the current draw of the load associated with the second computing device coupled to the second port.
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Abstract
A power brick includes a first port configured to provide power to a first computing device, a second port configured to provide power to a second computing device, a first switch coupled to the first port and configured to select one of a first power configuration and a second power configuration based on a load associated with the second port, and a second switch coupled to the second port and configured to select one of the first power configuration and the second power configuration based on the load associated with the second port.
30 Citations
20 Claims
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1. A power brick comprising:
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a first port configured to provide power to a first computing device; a second port configured to provide power to a second computing device; a first switch coupled to the first port and configured to select one of a first resistor configuration and a second resistor configuration based on a current draw of a load associated with the second computing device coupled to the second port; and a second switch coupled to the second port and configured to select one of the first resistor configuration and the second resistor configuration based on the current draw of the load associated with the second computing device coupled to the second port. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method comprising:
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providing a first power based on a first resistor configuration to a first computing device via a first port of a power brick; providing a second power based on a second resistor configuration to a second computing device via a second port of a power brick; switching the first port of the power brick to the second power based on a current draw of a load associated with the second computing device coupled to the second port; and switching the second port of the power brick to the first power based on the current draw of the load associated with the second computing device coupled to the second port. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A power brick comprising:
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a first port configured to provide power to a first computing device; a second port configured to provide power to a second computing device; and a power module configured to selectively provide one of two power settings to the first port and the second port based on a current draw of a load associated with the second computing device coupled to the second port, the two power settings being based on a resistor configuration. - View Dependent Claims (19, 20)
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Specification