IGBT driving circuit module

A driving circuit and driving voltage technology, applied in the direction of electrical components, output power conversion devices, etc., can solve the problems of slow turn-off speed, non-isolated drive, etc., and achieve the effect of fast on-off and simple circuit

Pending Publication Date: 2019-10-01
58TH RES INST OF CETC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an IGBT drive circuit module to solve the problems of slow turn-off speed and non-isolated drive of the existing IGBT drive circuit

Method used

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  • IGBT driving circuit module
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  • IGBT driving circuit module

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Embodiment Construction

[0020] An IGBT driving circuit module proposed by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that all the drawings are in a very simplified form and use imprecise scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0021] The present invention provides an IGBT drive circuit module, which includes an IGBT drive voltage circuit and an optocoupler isolation drive control circuit. The IGBT drive voltage circuit is used to generate positive and negative drive voltages, that is, a positive drive voltage and a negative turn-off voltage. ; The optocoupler isolation drive control circuit is used for isolation drive IGBT; wherein,

[0022] The IGBT driving voltage circuit is a flyback circui...

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Abstract

The invention discloses an IGBT driving circuit module and belongs to the field of power electronic devices. The IGBT driving circuit module includes an IGBT driving voltage circuit and an optocouplerisolation driving control circuit. The IGBT driving voltage circuit is used for generating positive and negative driving voltages. The optocoupler isolation driving control circuit is used for performing isolation driving on an IGBT. The IGBT driving voltage circuit is a flyback circuit composed of a PWM controller. The optocoupler isolation driving control circuit includes an optocoupler isolation circuit and an IGBT driving circuit. In the IGBT driving circuit module provided by the invention, the IGBT driving voltage circuit generates the positive and negative driving voltages, the fast switch-on and switch-off of the IGBT can be achieved, the IGBT adopts optocoupler isolation driving and has a wide application range, the circuit adopts modularization design, and the circuit is simple.

Description

technical field [0001] The invention relates to the technical field of semiconductor drive circuits, in particular to an IGBT drive circuit module. Background technique [0002] As the mainstream device of new power semiconductor devices, insulated gate bipolar transistor (Insulated Gate Bipolar Transistor, IGBT) has been widely used in traditional fields such as industry, communication, computer, consumer electronics, automotive electronics, aerospace, national defense and military industry, as well as rail transportation , core energy, smart grid, new energy vehicles and other strategic emerging industries are the core components of power conversion equipment. However, the driving modules that control IGBT on and off are rare in the market, and most of them are designed by users themselves. The quality of the IGBT drive circuit directly affects the efficiency of electronic equipment, and improper design can easily lead to equipment failure or even accidents. The main dis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M1/092
CPCH02M1/092
Inventor 王金刚
Owner 58TH RES INST OF CETC
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