Adjustable power delivery scheme for universal serial bus
First Claim
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1. An apparatus comprising:
- an adjustable power supply source to generate an adjustable power supply;
a node to provide the adjustable power supply to a device; and
a bus which is operable to;
send a first message to the device, the first message is to indicate that the adjustable power supply source is capable of dynamically providing an adjustable power supply; and
receive a request from the device, the request is to indicate a new voltage or current specification.
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Abstract
Described is an apparatus which comprises: an adjustable power supply source to generate an adjustable power supply; a node to provide the adjustable power supply to a device; and a bus which is operable to: send a first message to the device indicating that the adjustable power supply source is capable of dynamically providing an adjustable power supply; and receive a request from the device, the request indicating a new voltage or current specification.
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Citations
23 Claims
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1. An apparatus comprising:
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an adjustable power supply source to generate an adjustable power supply; a node to provide the adjustable power supply to a device; and a bus which is operable to; send a first message to the device, the first message is to indicate that the adjustable power supply source is capable of dynamically providing an adjustable power supply; and receive a request from the device, the request is to indicate a new voltage or current specification. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system comprising:
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a memory; a processor coupled to the memory, the processor including an apparatus which is to; dynamically send a first request to a power source to adjust a power supply for the processor, the power source being external to the system; and receive a power ready signal from the power source when the power source is to provide the adjusted power supply to the processor; and a wireless interface which is to allow the processor to communicate with another device. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. Machine readable storage media having machine readable instructions that when executed cause a machine to perform an operation which comprises:
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send a first message to a device over a bus, the first message is to indicate an adjustable power source nature of an apparatus; receive a first request from the device over the bus, the request is to indicate a new voltage or current specification; and determine whether the adjustable power source can meet the request, and to send a decision of the determination to the device. - View Dependent Claims (19, 20, 21, 22, 23)
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Specification