JPH0431830U - - Google Patents

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Publication number
JPH0431830U
JPH0431830U JP7116090U JP7116090U JPH0431830U JP H0431830 U JPH0431830 U JP H0431830U JP 7116090 U JP7116090 U JP 7116090U JP 7116090 U JP7116090 U JP 7116090U JP H0431830 U JPH0431830 U JP H0431830U
Authority
JP
Japan
Prior art keywords
gate
transistor
igbt
bipolar transistor
drive circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7116090U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP7116090U priority Critical patent/JPH0431830U/ja
Publication of JPH0431830U publication Critical patent/JPH0431830U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】
第１図は本考案の絶縁ゲートを持つバイポーラ
トランジスタの過大電流抑制回路の一実施例を示
す回路図であり、第２図は従来の絶縁ゲートを持
つバイポーラトランジスタの過大電流抑制回路の
一例を示す回路図であつて、第３図は動作波形図
であつて、ａはＩＧＢＴのゲート電圧波形、ｂは
ＩＧＢＴのコレクタ電流波形図を示す。 １……ＩＧＢＴ、１１……ＩＧＢＴのコレクタ
、１２……ＩＧＢＴのエミツタ、１３……ＩＧＢ
Ｔのゲート、２……ＩＧＢＴの駆動回路、２１…
…ＩＧＢＴのオン駆動用トランジスタ、２２……
ＩＧＢＴのオフ駆動用トランジスタ、２３……オ
ン駆動用電源、２４……オフ駆動用電源、２５…
…制御回路、２６……ゲートの直列抵抗、２７…
…ツエナーダイオード、２８……ダイオード、２
９……ダイオード、３……電流センサ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 絶縁ゲートを持つバイポーラトランジスタと該
    トランジスタのゲート〜エミツタ間を駆動するた
    めの駆動回路とから成り、前記トランジスタのゲ
    ートと駆動回路の正電位との間に、カソードが正
    電位の向きになるようにダイオードを接続したこ
    とを特徴とする絶縁ゲートを持つバイポーラトラ
    ンジスタの過大電流抑制回路。
JP7116090U 1990-07-05 1990-07-05 Pending JPH0431830U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7116090U JPH0431830U (ja) 1990-07-05 1990-07-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7116090U JPH0431830U (ja) 1990-07-05 1990-07-05

Publications (1)

Publication Number Publication Date
JPH0431830U true JPH0431830U (ja) 1992-03-16

Family

ID=31607944

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7116090U Pending JPH0431830U (ja) 1990-07-05 1990-07-05

Country Status (1)

Country Link
JP (1) JPH0431830U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014093892A (ja) * 2012-11-06 2014-05-19 Fuji Electric Co Ltd 電圧駆動型半導体素子の駆動装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6395728A (ja) * 1986-10-13 1988-04-26 Fuji Electric Co Ltd Ｉｇｂｔの過電流保護回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6395728A (ja) * 1986-10-13 1988-04-26 Fuji Electric Co Ltd Ｉｇｂｔの過電流保護回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014093892A (ja) * 2012-11-06 2014-05-19 Fuji Electric Co Ltd 電圧駆動型半導体素子の駆動装置

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