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A controller, a power converter, and a method for controlling the power converter

A technology for power converters and controllers, applied in the direction of DC power input conversion to DC power output, output power conversion devices, control/regulation systems, etc., which can solve the problem that the DC/DC converter 200 cannot reasonably control the output voltage, etc. question

Active Publication Date: 2016-03-30
AOTU ELECTRONICS WUHAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the DC / DC converter 200 cannot reasonably control the output voltage V OUT

Method used

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  • A controller, a power converter, and a method for controlling the power converter
  • A controller, a power converter, and a method for controlling the power converter
  • A controller, a power converter, and a method for controlling the power converter

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Embodiment Construction

[0024]A detailed description will be given below of embodiments of the present invention. In the following detailed description of the invention, numerous specific details are set forth in order to provide a thorough understanding of the invention. However, it will be understood by those skilled in the art that the present invention may be practiced without these specific details. In other instances, well-known schemes, procedures, components and circuits are not described in detail in order to highlight the gist of the present invention.

[0025] Embodiments of the present invention provide a controller and a power converter, such as a DC / DC converter. The present invention takes a DC / DC converter as an example to illustrate the specific implementation method. The controller controls the power conversion through the transformer circuit in the power converter. In one embodiment, the controller controls the current flowing through the primary coil of the transformer circuit,...

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PUM

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Abstract

The present invention provides a controller and a power converter and a method of controlling the power converter. The controller includes: a control terminal for providing a control signal to control a transformer circuit in the power converter, wherein each cycle of the control signal includes a first time interval and a second time interval; and connected to the control a control circuit at the terminal for increasing the primary current flowing through the primary coil of the transformer circuit and increasing the secondary current flowing through the secondary coil of the transformer circuit during the first time interval, during the second time interval The increase in the primary current is terminated within the interval, and the first time interval is controlled such that the first time interval is inversely proportional to the input voltage supplied to the primary coil. The present invention can reasonably control the output of the power converter.

Description

technical field [0001] The invention relates to the field of power supply, in particular to a controller, a power converter and a method for controlling the power converter. Background technique [0002] figure 1 is a schematic circuit diagram of an existing DC / DC converter 100 . The DC / DC converter 100 includes a transformer 102 and a switch SW0 connected in series with the primary coil of the transformer 102 . The control signal 106 controls the output power of the DC / DC converter 100 by controlling the switch SW0. For example, the control signal 106 connects the primary winding of the transformer 102 to a power source, such as a DC voltage V DC , so that there will be a primary current I P flows through the primary winding of the transformer 102 . Correspondingly, the secondary current I S The current flows through the secondary coil of the transformer 102 and through the inductor L, and flows to the output terminal of the DC / DC converter 100 . At the same time, th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M3/335
CPCH02M1/40H02M3/33507H02M1/0022H02M3/28
Inventor 拉兹洛·利普赛依艾林·盖尔格斯库卡特林·波波维奇
Owner AOTU ELECTRONICS WUHAN
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