US 12,738,300 B2Granted

Power supply control circuit, method and apparatus for storage system, and storage medium

AssigneeSuzhou Metabrain Intelligent Technology Co., Ltd.

InventorsXuetao Cui, Yaoyu Hua, Qingpeng Shi, Lupan Wang, Gangqiang Cao

Life of this patent

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Abstract

A power supply control circuit, method and apparatus for a storage system, and a non-volatile readable storage medium are provided. The control circuit includes: a signal processing module and a driving module, wherein a first input end of the signal processing module is connected to an initial output end of a hot-swap control chip deployed in the storage system, a first output end of the signal processing module is connected to a second input end of the driving module, a second output end of the driving module is connected to a control end of a hot-swap device deployed in the storage system, and the initial output end is also connected to the control end.

Claims16

Dependent claims

A power supply control circuit for a storage system, comprising:

a signal processing module and a driving module, wherein
a first input end of the signal processing module is connected to an initial output end of a hot-swap control chip deployed in the storage system, a first output end of the signal processing module is connected to a second input end of the driving module, a second output end of the driving module is connected to a control end of a hot-swap device deployed in the storage system, and the initial output end is also connected to the control end;
in a case that target turning-on time of the hot-swap device is less than or equal to a time threshold, the driving module connects the second input end to the second output end, the initial output end outputs an initial hot-swap signal to the first input end, the signal processing module converts the initial hot-swap signal into a target hot-swap signal, the first output end outputs the target hot-swap signal to the second input end, and the second output end outputs the target hot-swap signal to the control end, wherein the target hot-swap signal is greater than the initial hot-swap signal;
the hot-swap device controls, in response to the target hot-swap signal, a server power supply unit deployed in the storage system to supply power to the storage system;
and
in a case that the target turning-on time of the hot-swap device is greater than the time threshold, the driving module disconnects the second input end from the second output end, and the initial output end outputs the initial hot-swap signal to the control end;
and the hot-swap device controls, in response to the initial hot-swap signal, the server power supply unit to supply power to the storage system;
and
wherein the signal processing module comprises:
a voltage amplification circuit and a current conversion circuit, wherein
an input end of the voltage amplification circuit serves as the first input end and is connected to the initial output end, an output end of the voltage amplification circuit is connected to an input end of the current conversion circuit, and an output end of the current conversion circuit serves as the first output end and is connected to the second input end;
and
the voltage amplification circuit amplifies a voltage of the input initial hot-swap signal, to obtain a voltage-amplified signal;
and the current conversion circuit converts the voltage-amplified signal into a current-amplified signal and outputs the current-amplified signal as the target hot-swap signal.

11 more elements

A power supply control method for a storage system, comprising:

detecting target turning-on time of a hot-swap device deployed in the storage system, wherein the hot-swap device is configured to control, in response to a target control signal input to a control end of the hot-swap device, a server power supply unit deployed in the storage system to supply power to the storage system;
determining, according to the target turning-on time and an initial hot-swap signal output by a hot-swap control chip deployed in the storage system, the target control signal;
and
sending the target control signal to the control end;
wherein determining, according to the target turning-on time and the initial hot-swap signal output by the hot-swap control chip deployed in the storage system, the target control signal comprises:
in a case that the target turning-on time is greater than a time threshold, determining the initial hot-swap signal as the target control signal;
and
in a case that the target turning-on time is less than or equal to the time threshold, performing signal conversion on the initial hot-swap signal to obtain the target control signal, wherein the target control signal is greater than the initial hot-swap signal;
and
wherein the power supply control method for a storage system is applied to a power supply control circuit for the storage system, and the power supply control circuit comprises a signal processing module and a driving module, wherein a first input end of the signal processing module is connected to an initial output end of the hot-swap control chip, a first output end of the signal processing module is connected to a second input end of the driving module, a second output end of the driving module is connected to a control end of the hot-swap device, and the initial output end is also connected to the control end;
the driving module is configured to disconnect the second input end from the second output end in a case that the target turning-on time is greater than the time threshold, and the driving module is further configured to connect the second input end to the second output end in a case that the target turning-on time is less than or equal to the time threshold;
and the power supply control circuit is configured to perform signal conversion on the initial hot-swap signal by means of the signal processing module in a case that the target turning-on time is less than or equal to the time threshold;
and
wherein performing signal conversion on the initial hot-swap signal to obtain the target control signal comprises:
amplifying a voltage of the initial hot-swap signal to obtain a voltage-amplified signal;
and
converting the voltage-amplified signal into a current-amplified signal to obtain a target hot-swap signal as the target control signal.

14 more elements

Dependencies are inferred from the claim text.

Facts

Application: 19/117,386Filed 15 Dec 2023
Priority: CN 202310218223.48 Mar 2023
Published: US 2026/0011352 A18 Jan 2026
Granted: 15 Sep 2026
Term ends: Not estimatedThe source records don’t support an estimate.

Classification10 codes

G11C 5/143
Power supply arrangements , e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels: detection…
G06F 1/26
Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00: power supply means, e.g. regulation thereof
G06F 13/40
Information transfer, e.g. on bus: bus structure
G06F 13/4081
Electrical coupling: live connection to bus, e.g. hot-plugging