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AssigneeSeagate Technology LLC
InventorsLai Kein Chang, Lucas KongYaw Lee, Kian Keong Ooi, Brian Nollinger Nollinger, Robert W. Warren
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A power management circuit is provided for a data storage device that is adapted for communicating with a host via an interface circuit. The power management circuit is responsive to a utilization of a control circuit of the data storage device, determined independently of the communication between the data storage device and the host, in providing a supply power to the data storage device. A method is provided comprising connecting a data storage device with a host via an interface circuit; sending data transfer commands from the host to the interface circuit; and monitoring the utilization of a control circuit of the data storage device in terms of the rate at which commands are processed by the control circuit for use in selectively providing a supply power to the data storage device.
A data storage device adapted for external communication with a host via an interface circuit, the data storage device comprising power management circuitry providing a supply power to a control circuit of the data storage device in response to a utilization of the control circuit that is determined independently of the external communication with the host via the interface circuit by a rate at which one or more commands are processed by the control circuit.
A data storage device adapted for external communication with a host via an interface circuit, the data storage device comprising state determining circuitry defining the utilization of a control circuit of the data storage device independently of the external communication with the host via the interface circuit by a rate at which one or more commands are processed by the control circuit, and power management circuitry responsive to the state determining circuitry selectively adjusting supply power to a nonvolatile memory while supplying substantially constant power to a volatile memory of the data storage device based on the defined utilization.
A method comprising:
Dependencies are inferred from the claim text.