Power supply device, power supply control method, and storage device
AssigneeToshiba Memory Corporation
InventorWataru OKAMOTO
Life of this patent
Estimating the term…
Abstract
According to one embodiment, a power supply device includes a power supply circuit including circuit blocks and configured to generate power supply voltages based on an external power supply, detectors that detect failures of the circuit blocks, a nonvolatile memory, and a controller that stops an operation of the power supply circuit when any of the detectors detects the failure of any of the circuit blocks, and writes failure information of the power supply circuit into the nonvolatile memory. The failure information includes information indicating a type of the failure which has occurred and a circuit block among the circuit blocks in which the failure has occurred.
Claims20
A power supply device comprising:
- a power supply circuit comprising a plurality of circuit blocks and configured to generate a plurality of power supply voltages based on an external power supply;
- a plurality of detectors that detect failures of the circuit blocks;
- a nonvolatile memory;
- and
- a controller that stops an operation of the power supply circuit when any of the detectors detects the failure of any of the circuit blocks, and writes failure information of the power supply circuit into the nonvolatile memory, wherein
- the failure information comprises information indicating a type of the failure which has occurred and a circuit block among the circuit blocks in which the failure has occurred.
A power supply control method of a power supply circuit comprising a plurality of circuit blocks and configured to generate a plurality of power supply voltages based on an external power supply, the method comprising:
- stopping an operation of the power supply circuit when a failure of the power supply circuit is detected;
- and
- writing failure information of the power supply circuit into a nonvolatile memory, wherein
- the failure information comprises information indicating a type of the failure which has occurred and a circuit block among the circuit blocks in which the failure has occurred.
A storage device comprising:
- a nonvolatile memory;
- a controller configured to control a read operation of the nonvolatile memory or a write operation of the nonvolatile memory;
- and
- a power supply circuit comprising a plurality of circuit blocks and configured to generate a plurality of power supply voltages based on an external power supply, wherein
- the power supply circuit comprises a plurality of detectors that detect failures of the circuit blocks,
- the controller stops an operation of the power supply circuit when any of the detectors detects the failure of any of the circuit blocks, and writes failure information of the power supply circuit into the nonvolatile memory, and
- the failure information comprises information indicating a type of the failure which has occurred and a circuit block among the circuit blocks in which the failure has occurred.
Dependencies are inferred from the claim text.