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Power supply circuit and power supply method

A technology of power supply circuit and power supply method, which is applied in the direction of data processing power supply, etc., and can solve problems such as loss of power supply

Active Publication Date: 2018-05-29
苏州启恒融智信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, if the computer loses power, the peripherals connected to the computer will also lose power

Method used

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  • Power supply circuit and power supply method
  • Power supply circuit and power supply method
  • Power supply circuit and power supply method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0038] figure 2 is a schematic diagram of the power supply circuit of the peripheral device according to the first embodiment of the present invention. Such as figure 2 The illustrated embodiment includes a host 100 and a storage device 110 coupled to the host 100 . The host 100 and the storage device 110 can be coupled in various ways, including but not limited to connecting the host 100 and the storage device through, for example, SATA, IDE, USB, PCIE, SCSI, Ethernet, Fiber Channel, wireless communication network, etc. 110. The host 100 may be an information processing device capable of communicating with a storage device in the above-mentioned manner, such as a personal computer, a tablet computer, a server, a portable computer, a network switch, a router, a cellular phone, a personal digital assistant, and the like. Those skilled in the art will realize that other types of peripheral devices, such as network adapters, graphics adapters, etc., can also use the power su...

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PUM

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Abstract

The invention provides a power supply circuit and a power supply method. The power supply circuit is coupled to a power supply and used for powering a load. The power supply circuit comprises a first switch, a control circuit, a first diode and a backup power supply. The input end of the first switch is coupled to the power supply. The output end of the first switch is coupled to the load. The control circuit is coupled to the control end of the first switch and used for determining the state of the power supply. The anode of the first diode (114) is coupled to the power supply. The cathode of the first diode (114) is coupled to the first end of the backup power supply. The first end is further coupled to the load. When the control circuit determines that the power supply is in a power down state, the control circuit applies a control signal to the control end of the first switch so as to turn off the first switch.

Description

technical field [0001] The present invention relates to a solid storage device (Solid Storage Device, SSD), and more particularly, the present invention relates to a power supply circuit and a power supply method for the storage device. Background technique [0002] Computer peripherals connect to computers through various interfaces. In most cases, a computer interface not only provides a data channel between the computer and peripheral devices, but also provides power from the computer to the peripheral devices. Thus, in the event of a computer power outage, peripheral devices connected to the computer will also lose power. [0003] Chinese patent document CN101710252B discloses a solution for avoiding data loss in a buffer memory of a storage device when an unexpected power failure occurs. Wherein, a backup power supply is provided in the storage device, and when an unexpected power failure occurs, the backup power supply provides temporary power to the storage device f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F1/30
Inventor 倪勇
Owner 苏州启恒融智信息科技有限公司