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Voltage conversion circuits and electronic equipment

A voltage conversion circuit and voltage technology, applied in the direction of output power conversion devices, electrical components, and adjustment of electrical variables, can solve problems such as high power loss, complex design, and unsatisfactory voltage conversion efficiency

Active Publication Date: 2022-08-02
HALO MICROELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The 48V bus voltage can solve the problems of excessive loss, high cost and more complex design of the current 12V bus with the increase of power, but it also poses new challenges to the design of the power system
This is not the most efficient use of power switching devices, resulting in higher power loss and less than satisfactory voltage conversion efficiency

Method used

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  • Voltage conversion circuits and electronic equipment
  • Voltage conversion circuits and electronic equipment
  • Voltage conversion circuits and electronic equipment

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Embodiment Construction

[0112] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

[0113] Please refer to figure 1 , figure 1 It is a schematic structural diagram of the voltage conversion circuit 100 provided in the embodiment of the present application. like figure 1 As shown, the voltage conversion circuit 100 includes an input terminal VI, an output terminal VO, a first energy storage branch 10 , a second ener...

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Abstract

The present application discloses a voltage conversion circuit and electronic equipment, and relates to the technical field of electronic circuits. The voltage conversion circuit includes an input end, an output end, a first energy storage branch, a second energy storage branch, a third energy storage branch and a controller. The input terminal is used to connect with the input power supply, the output terminal is used to connect to the load, the first energy storage branch is connected to the input terminal, the second energy storage branch and the third energy storage branch, and the second energy storage branch is connected to the third energy storage branch. The three energy storage branches are connected to the output terminal. The first energy storage branch includes a first capacitor, a second capacitor, a first switch, a second switch, a third switch and a fourth switch. The controller is respectively connected with the first ends of the switches of the first energy storage branch, the second energy storage branch and the third energy storage branch, and the controller is used to control the on and off of each switch, so that the input terminal can be switched on and off. The ratio of the voltage to the voltage at the output terminal is 2N:D, where N is an integer greater than or equal to 2. In the above manner, the voltage conversion efficiency can be improved.

Description

technical field [0001] The present application relates to the technical field of electronic circuits, and in particular, to a voltage conversion circuit and electronic equipment. Background technique [0002] With the rapid popularization of cloud computing and big data centers, the consumption of electricity has also increased dramatically. In order to further improve the conversion efficiency and save energy, the bus voltage of the communication power supply is also gradually transitioning from 12V to 48V. The 48V bus voltage can solve the problems of excessive loss, high cost and more complicated design of the current 12V bus with the increase of power, but it also poses new challenges to the design of the power system. One of the most prominent is how to efficiently convert the 48V voltage into a lower voltage for CPU, DDR memory, etc., such as 1.0V~2.0V. [0003] The traditional two-stage architecture uses LLC switching power supplies to convert 48V to 12V, and then c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M7/217H02M1/088H02M3/158
CPCH02M7/217H02M3/158H02M1/088H02M3/07H02M1/0095H02M3/1584H02J2207/50H02M3/072
Inventor 韩双刘锐杨松楠
Owner HALO MICROELECTRONICS CO LTD
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