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Current one-way conduction circuit and working method thereof

A one-way conduction and current technology, applied in the circuit field, can solve the problems of increased power loss and poor charging effect, and achieve the effects of reducing energy loss, low cost, and improving charging efficiency

Pending Publication Date: 2022-08-02
TIANDI CHANGZHOU AUTOMATION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is: in order to solve the technical problems of increasing power loss and deteriorating charging effect in the prior art by using diodes to realize unidirectional conduction, the present invention provides a current unidirectional conduction circuit and its working method, which can reduce energy loss while achieving unidirectional conduction

Method used

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  • Current one-way conduction circuit and working method thereof
  • Current one-way conduction circuit and working method thereof
  • Current one-way conduction circuit and working method thereof

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Embodiment Construction

[0022] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial, The orientations or positional relationships indicated by "radial direction", "circumferential direction", etc. are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated devices or ele...

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Abstract

The invention discloses a current one-way conduction circuit and a working method thereof, the current one-way conduction circuit comprises an input end Vin, an output end Vout, an MOS tube, a current mutual inductance module, a voltage comparator and a voltage division module, the input end Vin is connected with the voltage division module, the input end Vin is connected with a drain electrode of the MOS tube, a source electrode of the MOS tube is connected with the current mutual inductance module, and the output end Vout is connected with the current mutual inductance module. The current mutual inductance module is connected with the output end Vout, the voltage comparator is connected with the voltage dividing module, the voltage comparator is connected with the current mutual inductance module, and the voltage comparator is connected with the grid electrode of the MOS tube. Therefore, one-way conduction of current can be realized, energy loss can be reduced, and charging efficiency can be improved.

Description

technical field [0001] The invention relates to the technical field of circuits, in particular to a current unidirectional conduction circuit and a working method thereof. Background technique [0002] In practical applications, there are many low-voltage power input scenarios, such as multi-power input bus, lithium battery charging bus, etc. These application scenarios need to prevent the input terminal from being damaged due to reverse current flowing back into the input terminal. At present, the most commonly used method is to use the unidirectional conduction characteristics of Schottky diodes to connect Schottky diodes in series on the power input bus (such as figure 1 shown). However, in this way, after the diode is conducted forward, there is a forward voltage drop (for example, 0.7V for silicon tube and 0.3V for germanium tube), and the greater the current, the greater the voltage drop. On the one hand, the voltage drop will cause significant power loss, resulting ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K17/687
CPCH03K17/687H03K2217/0036Y02B70/10
Inventor 金业勇包建军陈贤罗克王伟张立峰王维
Owner TIANDI CHANGZHOU AUTOMATION
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