JPS6447593U - - Google Patents

Info

Publication number
JPS6447593U
JPS6447593U JP14343387U JP14343387U JPS6447593U JP S6447593 U JPS6447593 U JP S6447593U JP 14343387 U JP14343387 U JP 14343387U JP 14343387 U JP14343387 U JP 14343387U JP S6447593 U JPS6447593 U JP S6447593U
Authority
JP
Japan
Prior art keywords
power
fet
drive circuit
capacitor
source
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.)
Granted
Application number
JP14343387U
Other languages
Japanese (ja)
Other versions
JPH0736476Y2 (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 JP14343387U priority Critical patent/JPH0736476Y2/en
Publication of JPS6447593U publication Critical patent/JPS6447593U/ja
Application granted granted Critical
Publication of JPH0736476Y2 publication Critical patent/JPH0736476Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案のパワーＭＯＳ・ＦＥＴドライ
ブ回路を示す図、第２図は従来のパワーＭＯＳ・
ＦＥＴドライブ回路を示す図である。 １はパワーＭＯＳ・ＦＥＴドライブ回路、２は
第１のパワーＭＯＳ・ＦＥＴ、３は第２のパワー
ＭＯＳ・ＦＥＴ、４は第１の駆動回路、５は第２
の駆動回路、６，７はコンデンサ、８はダイオー
ド、９は第１のコンデンサ、１０はツエナーダイ
オード、１１は抵抗、１２は第２のコンデンサ、
１３はダイオードである。 Figure 1 shows the power MOS/FET drive circuit of the present invention, and Figure 2 shows the conventional power MOS/FET drive circuit.
FIG. 3 is a diagram showing a FET drive circuit. 1 is a power MOS/FET drive circuit, 2 is a first power MOS/FET, 3 is a second power MOS/FET, 4 is a first drive circuit, 5 is a second power MOS/FET.
drive circuit, 6 and 7 are capacitors, 8 is a diode, 9 is a first capacitor, 10 is a Zener diode, 11 is a resistor, 12 is a second capacitor,
13 is a diode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ２個直列に接続される第１および第２のパワー
ＭＯＳ・ＦＥＴと、この第１のパワーＭＯＳ・Ｆ
ＥＴを駆動する第１の駆動回路と、前記第２のパ
ワーＭＯＳ・ＦＥＴを駆動する第２の駆動回路と
、前記第１の駆動回路に電源を供給する第１の電
源と、前記第２の駆動回路に電源を供給する第２
の電源とを備えたパワーＭＯＳ・ＦＥＴドライブ
回路に於いて、前記第１の電源は前記第２の電源
によつて充電される第１のコンデンサと、この第
１のコンデンサの放電によつて充電される第２の
コンデンサとを備え、この第２のコンデンサの一
方の端子を前記第１のパワーＭＯＳ・ＦＥＴのソ
ースに接続し、前記第１のパワーＭＯＳ・ＦＥＴ
のソースより低い電圧となる他方の端子を前記第
１の駆動回路の一方の電源とすることを特徴とし
たパワーＭＯＳ・ＦＥＴドライブ回路。 A first power MOS/FET and a second power MOS/FET connected in series, and this first power MOS/FET.
a first drive circuit that drives the ET; a second drive circuit that drives the second power MOS/FET; a first power supply that supplies power to the first drive circuit; The second one supplies power to the drive circuit.
In the power MOS/FET drive circuit, the first power source includes a first capacitor that is charged by the second power source, and a first capacitor that is charged by discharging the first capacitor. a second capacitor, one terminal of the second capacitor is connected to the source of the first power MOS/FET, and one terminal of the second capacitor is connected to the source of the first power MOS/FET.
A power MOS/FET drive circuit characterized in that the other terminal having a voltage lower than the source of the power source is used as one power source of the first drive circuit.
JP14343387U 1987-09-18 1987-09-18 Power MOS / FET drive circuit Expired - Lifetime JPH0736476Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14343387U JPH0736476Y2 (en) 1987-09-18 1987-09-18 Power MOS / FET drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14343387U JPH0736476Y2 (en) 1987-09-18 1987-09-18 Power MOS / FET drive circuit

Publications (2)

Publication Number Publication Date
JPS6447593U true JPS6447593U (en) 1989-03-23
JPH0736476Y2 JPH0736476Y2 (en) 1995-08-16

Family

ID=31410255

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14343387U Expired - Lifetime JPH0736476Y2 (en) 1987-09-18 1987-09-18 Power MOS / FET drive circuit

Country Status (1)

Country Link
JP (1) JPH0736476Y2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03150075A (en) * 1989-11-07 1991-06-26 Mitsubishi Electric Corp Driving circuit for inverter
JPH03265460A (en) * 1990-03-15 1991-11-26 Shibaura Eng Works Co Ltd Power supply circuit for controlling transistor
JP2007151389A (en) * 2005-11-29 2007-06-14 Samsung Electronics Co Ltd Electronic apparatus and power source circuit
JP2013179821A (en) * 2012-02-01 2013-09-09 Mitsubishi Electric Corp Power conversion device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03150075A (en) * 1989-11-07 1991-06-26 Mitsubishi Electric Corp Driving circuit for inverter
JPH03265460A (en) * 1990-03-15 1991-11-26 Shibaura Eng Works Co Ltd Power supply circuit for controlling transistor
JP2007151389A (en) * 2005-11-29 2007-06-14 Samsung Electronics Co Ltd Electronic apparatus and power source circuit
JP4509092B2 (en) * 2005-11-29 2010-07-21 三星電子株式会社 Electronic equipment and power supply circuit
JP2013179821A (en) * 2012-02-01 2013-09-09 Mitsubishi Electric Corp Power conversion device

Also Published As

Publication number Publication date
JPH0736476Y2 (en) 1995-08-16

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