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CN-117111710-B - Power supply device and method, and storage system including the same

CN117111710BCN 117111710 BCN117111710 BCN 117111710BCN-117111710-B

Abstract

The present disclosure relates to a power supply apparatus and method and a storage system including the same. A power supply may include a power management circuit, a switching circuit, and a power controller. The power controller is configured to sequentially drive the power management circuits in accordance with a driving sequence, and control the switching circuit to apply an output voltage of the power management circuit, which is a normal operation of the driven power management circuit, among the power management circuits to the output terminal.

Inventors

  • Shen Xiongzhi
  • Jin Shengzan

Assignees

  • 爱思开海力士有限公司

Dates

Publication Date
20260512
Application Date
20230118
Priority Date
20220524

Claims (15)

  1. 1. A power supply apparatus comprising: A power management circuit configured to receive external power voltages to generate output voltages having the same level or different levels, respectively; a switch circuit electrically connected between the power management circuit and output terminals, the number of the output terminals being smaller than the number of the power management circuit, and A power controller configured to sequentially drive the power management circuits according to a driving sequence, and control the switching circuit to apply the output voltage of a power management circuit, which is a normal operation of the power management circuit being driven, among the power management circuits to the output terminal.
  2. 2. The power supply device according to claim 1, Wherein the power controller sequentially drives the power management circuits by transmitting a target voltage level to a power management circuit to be driven among the power management circuits based on the driving sequence, and Wherein the output voltage corresponds to the target voltage level.
  3. 3. The power supply of claim 2, wherein the power controller is further configured to transmit an enable signal to the driven power management circuit and to determine whether the driven power management circuit is operating normally in dependence on a response signal from the driven power management circuit regarding the enable signal.
  4. 4. The power supply of claim 1, wherein the power controller is configured to sequentially drive the power management circuit until the output voltage is applied to all output terminals.
  5. 5. The power supply of claim 1, wherein while the power controller sequentially drives the power management circuits, the power controller is configured to control the switching circuit in accordance with normal operation of a previously driven power management circuit and normal operation of a currently driven power management circuit.
  6. 6. A method of supplying power, the method comprising: providing a power management circuit, the number of power management circuits being greater than the number of output terminals; sequentially driving the power management circuits according to a driving sequence; generating an output voltage from a power management circuit of the power management circuits that is a normal operation of the power management circuits being driven, and The output voltage is applied to the output terminal.
  7. 7. The method according to claim 6, wherein the method comprises, Wherein the sequentially driving the power management circuits includes transmitting, by a power controller, a target voltage level to a power management circuit to be driven among the power management circuits based on the driving sequence, and Wherein the output voltage corresponds to the target voltage level.
  8. 8. The method of claim 7, further comprising: transmitting an enable signal by the power controller to the power management circuit being driven, and Determining whether the driven power management circuit is operating normally based on a response signal from the driven power management circuit regarding the enable signal.
  9. 9. The method of claim 6, wherein the power management circuit is driven sequentially until the output voltage is applied to all output terminals.
  10. 10. The method of claim 6, further comprising: An output terminal is determined by the power controller to apply an output voltage of the currently driven power management circuit depending on whether the previously driven power management circuit is operating normally and whether the currently driven power management circuit is operating normally.
  11. 11. A data storage system, comprising: At least one memory device; A controller configured to exchange data with the memory device in response to a request from an external device; An output terminal to which a plurality of internal circuits including the memory device and the controller are electrically connected, and A power supply configured to sequentially drive power management circuits that receive power voltages from the external devices, respectively, to generate output voltages having the same level or different levels, and to apply the output voltages to the output terminals as power management circuits of normal operation of the power management circuits being driven, the number of the power management circuits being greater than the number of the output terminals.
  12. 12. The data storage system of claim 11, Wherein the power supply device is configured to sequentially drive the power management circuits by transmitting a target voltage level to the power management circuits to be driven among the power management circuits based on a driving sequence, and Wherein the output voltage corresponds to the target voltage level.
  13. 13. The data storage system of claim 12, wherein the power supply is further configured to: transmitting an enable signal to the power management circuit being driven, and Determining whether the driven power management circuit is operating normally based on a response signal from the driven power management circuit regarding the enable signal.
  14. 14. The data storage system of claim 11, wherein the power supply is configured to sequentially drive the power management circuit until the output voltage is applied to all output terminals.
  15. 15. The data storage system of claim 11, wherein the power supply determines an output terminal to apply an output voltage of a currently driven power management circuit depending on whether a previously driven power management circuit is operating normally and whether a currently driven power management circuit is operating normally.

Description

Power supply device and method, and storage system including the same Cross Reference to Related Applications The present application claims priority from korean application No. 10-2022-0063482 filed on 24 5 month 2022, which is incorporated herein by reference in its entirety. Technical Field Various embodiments of the present disclosure relate generally to electronic devices, and more particularly, to an apparatus and method of supplying power and a storage system including the same. Background The electronic device may include a power management circuit configured to convert a power voltage supplied from an external device into an internal voltage having a level required to operate the internal circuit. The power management circuit may then provide the internal voltage to the internal circuit. At least one power management circuit may be provided to each of the internal circuits. The power management circuit may supply power to the internal circuit when the electronic device is started. The internal voltage may be supplied to all internal circuits so that the electronic device may operate normally. Thus, the normal operation of the electronic device may be determined depending on the quality of the power management circuit. Disclosure of Invention According to various embodiments of the present disclosure, a power supply may be provided. The power supply apparatus may include power management circuits configured to receive external power voltages to generate output voltages having the same level or different levels, respectively, a switching circuit electrically connected between the power management circuits and output terminals, the number of the output terminals being smaller than the number of the power management circuits, and a power controller configured to sequentially drive the power management circuits according to a driving sequence, and control the switching circuit to apply the output voltages of the power management circuits, which are normal operations of the driven power management circuits, among the power management circuits, to the output terminals. According to various embodiments of the present disclosure, a power supply method may be provided. In the power supply method, a power management circuit is provided, the number of power management circuits is greater than the number of output terminals, the power management circuits are sequentially driven according to a driving sequence, an output voltage is generated from a power management circuit which is a normal operation of the driven power management circuits among the power management circuits, and the output voltage is applied to the output terminals. According to various embodiments of the present disclosure, a storage system may be provided. The memory system may include at least one memory device, a controller configured to exchange data with the memory device in response to a request from an external device, an output terminal to which a plurality of internal circuits including the memory device and the controller are electrically connected, and a power supply configured to sequentially drive power management circuits that respectively receive power voltages from the external device to generate output voltages having the same level or different levels, and the power supply configured to apply the output voltages of the power management circuits as normal operations of the driven power management circuits to the output terminal, the number of the power management circuits being greater than the number of the output terminals. According to various embodiments of the present disclosure, a power supply may be provided. The power supply apparatus may include a first power management circuit selectively activated to generate first and second output voltages, first and second switches selectively activated to transmit the first and second output voltages to the first and second output nodes, respectively, a second power management circuit selectively activated to generate the second output voltage, a third switch selectively activated to transmit the second output voltage from the second power management circuit to the second output node, and a power controller configured to selectively activate each of the first and second power management circuits and the first to third switches such that the first and second output voltages generated from the respective first and second power management circuits are output to the respective first and second output nodes, or the second output voltage generated from one of the first and second power management circuits is output to the second output node. Drawings The above and other aspects, features and advantages of the presently disclosed subject matter will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings wherein: Fig. 1 is a view illustrating a power supply apparatus according to one embodiment of the present disclosure; FIG