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A hot-swap discharge circuit

A discharge circuit and hot-swapping technology, which is applied in the field of hot-swappable discharge circuits, can solve problems such as large losses and achieve the effect of saving electricity costs

Active Publication Date: 2019-03-01
深圳茂硕电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The embodiment of the present invention provides a hot-swappable discharge circuit, in order to avoid the problem of large loss in the existing hot-swappable discharge circuit, thereby saving electricity costs

Method used

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  • A hot-swap discharge circuit
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Embodiment Construction

[0035] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are Some, but not all, embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0036] The terms "comprising" and "having" and any variations thereof in the description and claims of the present invention and the above drawings are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unli...

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Abstract

The embodiment of the invention discloses a hot-plug discharge circuit. The hot-plug discharge circuit comprises a hot-plug signal comparison circuit module, a master control circuit module, a switch trigger circuit module and a resistance discharge circuit module, when a power supply works normally, the hot-plug signal comparison circuit module generates a high level signal, and the high level signal is used for controlling the master control circuit module to work and is also used for controlling the switch trigger circuit module to be closed so that the resistance discharge circuit module stops discharging; and when the power supply works abnormally, the hot-plug signal comparison circuit module generates a low level signal, and the low level signal is used for controlling the master control circuit module to stop working and is also used for controlling the switch trigger circuit module to be switched on so that the resistance discharge circuit module discharges. With the hot-plug discharge circuit provided by the embodiment of the invention, the problem of high loss of an existing hot-plug discharge circuit is favorably prevented, and power consumption cost is further saved.

Description

technical field [0001] The invention relates to the field of circuit electronics, in particular to a hot-swap discharge circuit. Background technique [0002] Hot swapping, that is, hot swapping, is the process of inserting or pulling out its components when the system is powered on to make it enter the working state or leave the working state. Hot-swap technology has been widely used in the research and development process of power supplies and electronic products. When hot-swapping, because the output voltage cannot quickly drop to the safe voltage range, it is easy to cause interface damage or equipment failure, so it is often necessary to configure a hot-swapping discharge circuit in the hot-swapping device. The discharge circuit is a capacitor connected in parallel with a resistor. Regardless of whether the power supply is working normally, that is, whether it is hot-swappable or not, it is equivalent to the fact that there is always power loss on the resistor, so this...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02H9/04
CPCH02H9/04
Inventor 王华轶邓勇郝建强陈浩张杨
Owner 深圳茂硕电子科技有限公司
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