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A voltage regulation circuit and method

A voltage regulation circuit and voltage technology, which is applied in the direction of regulating electric variables, control/regulation systems, instruments, etc., can solve problems such as the inability to provide voltage regulation circuits and poor user experience, and achieve improved experience, small size, and convenient use Effect

Active Publication Date: 2021-02-26
深圳市智微智能科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a voltage regulation circuit and method, aiming to solve the problem of poor user experience due to the inability of the prior art to provide an effective voltage regulation circuit

Method used

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  • A voltage regulation circuit and method
  • A voltage regulation circuit and method
  • A voltage regulation circuit and method

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Embodiment Construction

[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0020] The specific realization of the present invention is described in detail below in conjunction with specific embodiment:

[0021] The voltage regulation circuit and method of the preferred embodiment of the present invention are as figure 1 shown, see also figure 2 and image 3 Including the power management chip U2, the voltage feedback terminal FB of the power management chip U2 is connected with a voltage divider unit 10 that can adjust the voltage division voltage, and the voltage divider unit 10 is connected with the output end of the power management chip U2; the power management chi...

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Abstract

The present invention is applicable to the technical field of voltage adjustment, and provides a voltage adjustment circuit and method. The control unit adjusts the voltage division voltage of the voltage division unit according to the voltage at the output terminal of the power management chip, so that the voltage obtained by the voltage feedback terminal of the power management chip is regulated. For the subsequent voltage, since the power management chip controls the voltage of its output terminal according to the voltage of the voltage feedback terminal, this method is used to force the power management chip to output an adjustable and controllable voltage; the circuit is simple, low in cost, small in size, and easy to use. Thereby improving user experience.

Description

technical field [0001] The invention belongs to the technical field of voltage regulation, and in particular relates to a voltage regulation circuit and method. Background technique [0002] In the existing electronic product circuit, the power supply voltage power conversion module of each chip (referred to as the power module) generally has two modes, one is fixed voltage, which is relatively simple to deal with, and the disadvantage is that the voltage cannot be changed; the other is Dynamic adjustment, mostly through the cooperation of various functional chips and back-end equipment for dynamic adjustment processing, the disadvantage is that the implementation cost and technical requirements are high, and the adjustment range is generally preset according to the requirements of the chip specification, so the application range and technical requirements are relatively large. high. Contents of the invention [0003] The purpose of the present invention is to provide a v...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05F1/56
CPCG05F1/56
Inventor 涂友冬
Owner 深圳市智微智能科技股份有限公司