Power management circuit with low power consumption

A technology of power management and low power consumption, applied in the direction of adjusting electrical variables, control/regulation systems, instruments, etc., can solve the problem that power consumption is difficult to meet the requirements, and achieve the effect of low power consumption and satisfying power consumption

Pending Publication Date: 2020-07-03
INNER MONGOLIA XIANHONG SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Traditional power management circuit structure, power consumption is difficult to meet the requirements

Method used

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  • Power management circuit with low power consumption
  • Power management circuit with low power consumption
  • Power management circuit with low power consumption

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Embodiment Construction

[0020] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0021] Please refer to figure 1 , figure 1 It is a schematic diagram of the circuit structure of the first embodiment of the low power consumption power management circuit of the present invention.

[0022] Such as figure 1 As shown, in this embodiment, the low power consumption power management circuit includes: a reference circuit, a comparator, a clock generation circuit, a power acquisition sensor, a switch circuit, and a charged module.

[0023] Wherein, one end of the reference circuit and one end of the power acquisition sensor are respectively connected to one end of the comparator, the other end of the comparator is connected to one end of the clock generation circuit, the other end of the clock generation circuit is connected to the control end of the switch circuit, and the power acquisition sensor One e...

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Abstract

The invention discloses a power management circuit with low power consumption. The power management circuit comprises a reference circuit, a comparator, a clock generation circuit, a power acquisitionsensor, a switching circuit and a charged module. One end of the reference circuit and one end of the power supply acquisition sensor are respectively connected with one end of the comparator. The other end of the comparator is connected with one end of the clock generation circuit, the other end of the clock generation circuit is connected with the control end of the switch circuit, one end of the power supply acquisition sensor is further connected with one end of the switch circuit, and the other end of the switch circuit is connected with the charged module. Compared with the prior art, the power consumption of the power management circuit is reduced.

Description

technical field [0001] The invention relates to the technical field of power management circuits, in particular to a low power consumption power management circuit. Background technique [0002] In the field working environment, it is usually necessary to collect weak charges and charge related circuit modules, so as to ensure that the circuit can work stably for a long time. Its power management circuit has extremely strict requirements on the labor union, and its working current needs to work below tens of nanoamperes. Traditional power management circuit structure, power consumption is difficult to meet the requirements. Contents of the invention [0003] The main purpose of the present invention is to provide a low power consumption power management circuit, aiming at reducing the power consumption of the power management circuit. [0004] To achieve the above object, the present invention provides a low power consumption power management circuit, including: a refere...

Claims

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Application Information

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IPC IPC(8): G05F3/26
CPCG05F3/26
Inventor 黄志勇
Owner INNER MONGOLIA XIANHONG SCI
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