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Load line circuit and electronic equipment

A circuit and sampling circuit technology, applied in the direction of high-efficiency power electronic conversion, conversion equipment without intermediate conversion to AC, electrical components, etc., can solve problems such as reducing SoC power consumption

Active Publication Date: 2020-04-14
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, currently only switching power supplies with load line functions such as VRM power supplies can reduce SoC power consumption through load line functions, while other conventional switching power supplies without load line functions cannot reduce SoC power consumption through load line functions. power consumption
Therefore, there are still many limitations in the application of the load line function in switching power supplies

Method used

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  • Load line circuit and electronic equipment
  • Load line circuit and electronic equipment
  • Load line circuit and electronic equipment

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Embodiment Construction

[0042] In order to make the purpose, technical solution and advantages of the application clearer, the application will be further described in detail below in conjunction with the accompanying drawings. The specific operation methods in the method embodiments can also be applied to the device embodiments or system embodiments. It should be noted that in the description of the present application, "at least one" refers to one or more, wherein a plurality refers to two or more. In view of this, "multiple" can also be understood as "at least two" in the embodiments of the present invention. "And / or" describes the association relationship of associated objects, indicating that there may be three types of relationships, for example, A and / or B may indicate: A exists alone, A and B exist simultaneously, and B exists independently. In addition, the character " / ", unless otherwise specified, generally indicates that the associated objects before and after are in an "or" relationship...

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Abstract

The invention provides a load line circuit and electronic equipment. The load line circuit is applied to the electronic equipment. The voltage value of the feedback voltage provided by the load line circuit for the switching power supply is linearly and positively correlated with the voltage value of the first voltage and the current value of the first current. The first voltage is the voltage provided for the load circuit, and the first current is the current provided for the load circuit. By arranging the load line circuit, a load line function of the switching power supply can be realized.

Description

technical field [0001] The present application relates to the technical field of switching power supplies, in particular to a load line circuit and electronic equipment. Background technique [0002] In electronic devices, a switching power supply can provide current for a system on chip (SoC). With the improvement of system SoC functions, the current required for SoC high-load operation is also increasing, causing the power consumption problem of SoC to become more and more serious. [0003] In order to reduce the power consumption of the SOC, some switching power supplies with a load line function appear at present. For example, a voltage regulator module (VRM) power supply is a switching power supply with a load line function. For a switching power supply with load line function, the output voltage of the switching power supply can decrease linearly with the increase of the output current of the switching power supply. Therefore, when the SoC is running under high load...

Claims

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Application Information

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IPC IPC(8): H02M1/00G05F1/46
CPCH02M1/00G05F1/461H02M1/0025H02M1/0048Y02B70/10H02M3/10H02M1/0009
Inventor 王晓坤陈忠建
Owner HUAWEI TECH CO LTD
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