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A boost conversion system and voltage converter

A boost conversion and voltage technology, applied in the direction of adjusting electrical variables, control/regulating systems, output power conversion devices, etc., can solve problems such as low efficiency of boost converters, and achieve the effect of improving efficiency

Active Publication Date: 2021-11-09
HALO MICROELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, when a higher boost ratio is required, such as 4:1 or higher, the efficiency of the traditional boost converter will be relatively low

Method used

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  • A boost conversion system and voltage converter
  • A boost conversion system and voltage converter
  • A boost conversion system and voltage converter

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Embodiment Construction

[0082] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0083] Please refer to figure 1 , figure 1 A schematic structural diagram of a boost conversion system provided in an embodiment of the present application. like figure 1 As shown, the boost conversion system 100 includes a first boost branch 10 , a first energy storage unit 20 , a first switch unit 30 , a second boost branch 40 , a second energy s...

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Abstract

The present application discloses a boost conversion system and a voltage converter. The boost conversion system includes a first boost branch, a second boost branch, a first switch unit, a second switch unit, and a first energy storage unit. , the second energy storage unit and the control unit, the first boost branch, the second boost branch are connected to the first energy storage unit and the second energy storage unit, the first energy storage unit is connected to the first switch unit, and the second boost branch is connected to the first energy storage unit and the second energy storage unit. The second energy storage unit is connected to the second switch unit, and the control unit is used to control the conduction and disconnection of each switch tube in the first boost branch, the second boost branch, the first switch unit and the second switch unit, Provide a power supply voltage for the load according to the voltage of the DC power supply, the voltage of the first step-up branch and the voltage of the first energy storage unit, or according to the voltage of the DC power supply, the voltage of the second step-up branch and the second energy storage unit The voltage provides the supply voltage for the load. In the manner described above, the efficiency of boost conversion can be improved.

Description

technical field [0001] The present application relates to the technical field of electronic circuits, in particular to a boost conversion system and a voltage converter. Background technique [0002] With the further development of technology, various portable devices such as mobile phones, tablet computers, digital cameras, MP3 players, etc. have become popular. Batteries are often used in applications such as display backlighting, audio amplifiers, or piezoelectric haptic actuators, as described above. For example, each portable device may include a liquid crystal display (LCD), which itself does not emit light and requires a backlight to provide illumination in order to produce a visible image. Therefore, its backlight can be formed by multiple light-emitting diodes (LEDs), and each LED usually requires 3.3V to emit light. Depending on the number of LEDs, the backlight may require a supply voltage of up to 20V, a boost converter can be coupled between a source (e.g., a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M3/158
CPCH02M3/158
Inventor 刘畅杨松楠
Owner HALO MICROELECTRONICS CO LTD