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igbt adapter board

An adapter board and output port technology, which is applied in the electronic field, can solve the problems of inconvenient connection between small and medium power IGBTs and drive protection circuits, and unfavorable generalization of IGBTs, so as to prevent electrostatic breakdown, improve generalization, and reduce IGBT loss Effect

Active Publication Date: 2016-12-21
CHINA CNR CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides an IGBT adapter board, which is used to solve the disadvantages in the prior art that are not conducive to the generalization of IGBTs caused by the inconvenient connection between small and medium power IGBTs and drive protection circuits.

Method used

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Embodiment Construction

[0030] The invention provides an IGBT adapter plate, so as to avoid the electrostatic breakdown of the IGBT, facilitate the connection of the IGBT and the drive protection circuit, and improve the generalization of the IGBT.

[0031] figure 1 It is a schematic diagram of the IGBT module in the embodiment of the present invention, such as figure 1 As shown, the IGBT module includes: a first IGBT (not shown in the figure) and a second IGBT (not shown in the figure) of a half-bridge structure, a main port 11 and a control port 12; the main port 11 includes: a first The port 111 , the second port 112 and the third port 113 ; the control port 12 includes: a first gate control port 121 , a first emitter control port 122 , a second gate control port 123 and a second emitter control port 124 .

[0032] Specifically, the first port 111 is the output port of the IGBT module; the second port 112 is usually connected to the negative pole of the power supply or ground for providing a low ...

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Abstract

The invention discloses an IGBT adapter board. The IGBT adapter board comprises an input port and an output port, wherein a gate electrode resistor gating circuit, a resistance-capacitance absorption circuit and an amplitude limiting protecting circuit are connected between the input port and the output port; the input port comprises a grid electrode input port and an emitting electrode input port and is used for receiving driving signals of a driver board; the output port comprises a grid electrode output port and an emitting electrode output port and is used for outputting control signals to an IGBT, and the emitting electrode output port is connected with the emitting electrode input port; the gate electrode resistor gating circuit is used for providing gate electrode resistors with different resistance when the IGBT is switched on and switched off; the resistance-capacitance absorption circuit is used for filtering pulse signals; the amplitude limiting protecting circuit is used for conducting amplitude limiting on the control signals. The grid electrode output port and the emitting electrode output port are achieved in a bonding pad mode.

Description

technical field [0001] The invention relates to the field of electronics, in particular to an IGBT adapter board. Background technique [0002] Insulated Gate Bipolar Translator (Insulated Gate Bipolar Translator, referred to as IGBT), is a new type of composite device, which integrates the advantages of MOSFET and transistor, and has the advantages of fast response speed, large operating current, and high voltage resistance. It is widely used in the field of power electronics. However, due to the characteristics of the IGBT itself, there will be a latching effect when it is working. For example, during the turn-off period of the IGBT, some high-frequency oscillation signals will be generated in the gate circuit. These signals will make the IGBT that should be turned off be in a slight state. Otherwise, it will be in a short-circuit through state, which will cause the gate to be out of control; or the IGBT will be damaged due to excessive current and voltage or instability,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K17/567
Inventor 吴志友戴碧君李桂莲高婷
Owner CHINA CNR CORPORATION
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