Power delivery contract establishment in a power storage adapter
First Claim
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1. A power storage adapter (PSA), comprising:
- a first PSA port and a second PSA port;
a PSA battery; and
a PSA controller having access to memory media storing instructions executable by the PSA controller to;
establish, using a negotiation process, a first power delivery contract to supply first electrical power amount to a first information handling system coupled to the power storage adapter at the first PSA port;
when the first power delivery contract is in effect;
detect that the first information handling system is drawing third electrical power amount less than the first electrical power amount; and
receive a request for a second power delivery contract from a second information handling system coupled to the power storage adapter at the second PSA port, the second power delivery contract specifying a second electrical power amount to be supplied to the second information handling system; and
responsive to receiving the request;
reset the first PSA port to terminate the first power delivery contract;
responsive to resetting the first PSA port, reestablish the first power delivery contract to supply to the first information handling system a fourth electrical power amount that is greater than or equal to the third electrical power amount and less than the first electrical power amount; and
establish the second power delivery contract to supply the second electrical power amount to the second information handling system.
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Abstract
A power storage adapter may use a power delivery contract establishment method when supplying electrical power to portable information handling systems when the amount of electrical power the power storage adapter is able to supply is less that the amount the portable information handling systems require. In particular, the power storage adapter may avoid supplying electrical power to one of the portable information handling systems that has gotten what is needs and may switch to supplying more electrical power to one of the other portable information handling systems that has not received what it requires.
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Citations
18 Claims
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1. A power storage adapter (PSA), comprising:
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a first PSA port and a second PSA port; a PSA battery; and a PSA controller having access to memory media storing instructions executable by the PSA controller to; establish, using a negotiation process, a first power delivery contract to supply first electrical power amount to a first information handling system coupled to the power storage adapter at the first PSA port; when the first power delivery contract is in effect; detect that the first information handling system is drawing third electrical power amount less than the first electrical power amount; and receive a request for a second power delivery contract from a second information handling system coupled to the power storage adapter at the second PSA port, the second power delivery contract specifying a second electrical power amount to be supplied to the second information handling system; and responsive to receiving the request; reset the first PSA port to terminate the first power delivery contract; responsive to resetting the first PSA port, reestablish the first power delivery contract to supply to the first information handling system a fourth electrical power amount that is greater than or equal to the third electrical power amount and less than the first electrical power amount; and establish the second power delivery contract to supply the second electrical power amount to the second information handling system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for power delivery contract establishment in a power storage adapter, the method comprising:
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establishing, by a PSA controller of the power storage adapter using a negotiation process, a first power delivery contract to supply a first electrical power amount to a first information handling system coupled to the power storage adapter at a first PSA port of the power storage adapter; when the first power delivery contract is in effect; detecting, by the PSA controller, that the first information handling system is drawing a third electrical power amount less than the first electrical power amount; and receiving, by the PSA controller, a request for a second power delivery contract from a second information handling system coupled to the power storage adapter at a second PSA port of the power storage adapter, the second power delivery contract specifying a second electrical power amount to be supplied to the second information handling system; and responsive to receiving the request; resetting, by the PSA controller, the first PSA port to terminate the first power delivery contract; responsive to resetting the first PSA port, reestablishing, by the PSA controller, the first power delivery contract to supply to the first information handling system a fourth electrical power amount that is greater than or equal to the third electrical power amount and less than the first electrical power amount; and establishing, by the PSA controller, the second power delivery contract to supply the second electrical power amount to the second information handling system. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification