Low-power-consumption voltage stabilizing circuit and method

A voltage regulator circuit and voltage technology, applied in the direction of regulating electrical variables, control/regulating systems, instruments, etc., can solve the problems of high cost and high power consumption, and achieve the effect of less components, low power consumption, and cost reduction

Inactive Publication Date: 2016-08-31
SHENZHEN HASWARE TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current voltage regulator circuit either consumes too much power (100 microamps (uA) of operating current), or the cost is too high. Therefore, a low-cost, low-power voltage regulator circuit is needed for this type of consumer electronics products. powered by

Method used

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  • Low-power-consumption voltage stabilizing circuit and method
  • Low-power-consumption voltage stabilizing circuit and method
  • Low-power-consumption voltage stabilizing circuit and method

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Embodiment Construction

[0034] Such as figure 1 Shown is a functional block diagram of a voltage stabilizing circuit provided by the present invention. The voltage stabilizing circuit includes: an adjustment unit 1 , a sampling unit 2 and a feedback control unit 3 . Wherein, the adjusting unit 1 receives an input voltage Vin, and adjusts to output an output voltage Vout. The sampling unit 2 samples and outputs a sampling voltage signal from the output voltage Vout. The feedback control unit 3 controls the adjustment unit to adjust the voltage according to the sampling voltage signal of the sampling unit, so as to stabilize the output voltage.

[0035] Wherein, the feedback control unit 3 such as figure 2 As shown, it specifically includes an inverting circuit 31 and a control circuit 32, and the inverting circuit 31 is configured to output a voltage signal opposite to the change amount of the sampled voltage signal according to the inputted sampled voltage signal. The control circuit 32 outputs ...

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Abstract

The invention discloses a low-power-consumption voltage stabilizing circuit and method. The voltage stabilizing circuit comprises an adjusting unit, a sampling unit and a feedback control unit, wherein the adjusting unit receives input voltage and adjusts and outputs output voltage; the sampling unit samples and outputs a sampling voltage signal from the output voltage; the feedback control unit controls the adjusting unit for voltage adjustment according to the sampling voltage signal of the sampling unit and is used for stabilizing the output voltage. According to the voltage stabilizing circuit, the number of adopted devices is small, the structure is simple, the scale is small, and power consumption is quite low.

Description

technical field [0001] The invention relates to an electronic circuit, in particular to a small-sized low power consumption voltage stabilizing circuit and a method thereof. Background technique [0002] In the field of analog electronic circuit technology, a voltage stabilizing circuit is a circuit that can maintain a constant output voltage when the input voltage, load, ambient temperature, circuit parameters, etc. change. This circuit can provide a stable DC power supply and is widely used. used in various electronic devices. According to application scenarios and precision requirements, voltage stabilizing circuits have various circuit structures, and the prices are also different. [0003] At present, in order to achieve a stable voltage output, the existing voltage stabilizing circuit usually requires more devices to be used together, often ranging from a dozen to dozens of devices. At least more than one hundred microamps (uA). [0004] There are also some voltage ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05F1/56
CPCG05F1/561
Inventor 周建波单岳山
Owner SHENZHEN HASWARE TECH DEV CO LTD
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