Efficient and ultra-low-voltage integrated active full-wave rectifier

A full-wave rectification, ultra-low voltage technology, applied in the direction of output power conversion device, AC power input conversion to DC power output, electrical components, etc., can solve the problem of low power consumption and high efficiency, low power and voltage, semiconductor Diode Schottky diode can not be used and other problems, to achieve the effect of low power consumption, low voltage, simple bias circuit

Active Publication Date: 2014-12-24
XIDIAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Since the power and voltage for energy harvesting are usually very low, large voltage drops in the rectifier must be avoided, so common semiconductor diodes and even Schottky diodes cannot be used
The current technical solutions have not achieved a good combination of low power consumption and high efficiency, especially in the design of low power supply voltage is still blank, so it is necessary to adopt a new circuit structure to achieve a high-efficiency, ultra-low voltage integrated Active Full Wave Rectifier

Method used

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  • Efficient and ultra-low-voltage integrated active full-wave rectifier

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Embodiment Construction

[0039] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0040] First of all, in order to facilitate the understanding of the specific embodiments of the present invention, the technical terms involved in the specific embodiments of the present invention are described below:

[0041] PMOS: P-channel Metal Oxide Semiconductor FET, P-channel Metal Oxide Semiconductor Field Effect Transistor;

[0042] NMOS: N-channel Metal Oxide Semiconductor FET, N-channel Metal Oxide Semiconductor Field Effect Transistor.

[0043] Such as figure 1 As shown, a high-efficiency, ultra-low voltage integrated active full-wave rectifier, including:

[0044] Negative voltage converter 11, for converting the negative half-wave current of sinusoidal input into positive half-wave current;

[0045] The active diode circuit 12 is connecte...

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Abstract

The invention provides an efficient and ultra-low-voltage integrated active full-wave rectifier. The efficient and ultra-low-voltage integrated active full-wave rectifier comprises a negative voltage converter and an active diode circuit, wherein the negative voltage converter is used for converting the sine-input negative half-wave current into the positive half-wave current; the active diode circuit is connected with the negative voltage converter and used for controlling the direction of the positive half-wave current. According to the scheme, the active full-wave rectifier has the advantages of being low in voltage and power consumption and high in efficiency, and the process deviation of the active full-wave rectifier has fewer influences on an output voltage value of the active full-wave rectifier.

Description

technical field [0001] The invention relates to the technical field of rectifier circuits, in particular to an integrated active full-wave rectifier with high efficiency and ultra-low voltage. Background technique [0002] In recent years, with the advancement of microelectronics technology, smart implantable medical devices, radio frequency identification tags, wireless sensors and sensor networks have developed rapidly. However, the use of batteries for these devices limits their useful life. In order to solve this problem, the research application of energy harvesting system was born. It collects environmental energy (heat energy, vibration source, radio frequency energy, etc.) and converts it into electrical energy through sensors. Among them, vibration energy is one of the main energy sources, and its output voltage is a sine wave, so a rectifier must be used to convert the AC voltage into a DC voltage. [0003] Since the power and voltage for energy harvesting are u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/217
Inventor 王静敏朱樟明杨正杨银堂
Owner XIDIAN UNIV
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