KR930005319A - Integrated Circuit Protection Circuit - Google Patents

Integrated Circuit Protection Circuit Download PDF

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Publication number
KR930005319A
KR930005319A KR1019910014961A KR910014961A KR930005319A KR 930005319 A KR930005319 A KR 930005319A KR 1019910014961 A KR1019910014961 A KR 1019910014961A KR 910014961 A KR910014961 A KR 910014961A KR 930005319 A KR930005319 A KR 930005319A
Authority
KR
South Korea
Prior art keywords
transistor
circuit
integrated circuit
power supply
supply voltage
Prior art date
Application number
KR1019910014961A
Other languages
Korean (ko)
Other versions
KR930010605B1 (en
Inventor
박시홍
Original Assignee
김광호
삼성전자 주식회사
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 by 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019910014961A priority Critical patent/KR930010605B1/en
Publication of KR930005319A publication Critical patent/KR930005319A/en
Application granted granted Critical
Publication of KR930010605B1 publication Critical patent/KR930010605B1/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Protection Of Static Devices (AREA)

Abstract

내용 없음.No content.

Description

집적회로용 보호회로Integrated Circuit Protection Circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 종래의 집적 회로용 보호회로,1 is a conventional integrated circuit protection circuit,

제2도는 본 발명의 집적회로용 보호회로.2 is a protection circuit for an integrated circuit of the present invention.

Claims (1)

트랜지스터(Q1∼Q18) 및 저항(Rl∼Rl3)으로 구성된 집적회로용 보호회로에 있어서, 상기 트랜지스터(Q8)의 일단에 베이스가 전원전압(Vcc)에 일단이 연결된 트랜지스터(Q20)에 일단이, 타단이 출력노드(O′)에 연결된 트랜지스터(Q19′)와 상기 트랜지스터(Q19′)의 일단에 연결된 트런지스터(Q20)에 베이스가 일단이 전원전압(Vcc)에 타단이 접지에 연결된 트랜지스터(Q21,23)와 상기 트랜지스터(Q21)의 일단에 베이스가 일단이 전원전압(Vcc)에 타단이 그 (Q21) 베이스 상기 트랜지스터(Q23)의 베이스, 트랜지스터(Q24)의 베이스에 공통으로 연결된 트랜지스터(Q22)와 상기 트랜지스터(Q22)의 일단에 베이스가, 일단이 상기 트랜지스터(Q3)의 일단에 타단이 접지에 연결된 트랜지스터(Q24)로 구성됨을 특징으로 하는 집직회로용 보호회로.In an integrated circuit protection circuit comprising transistors Q1 to Q18 and resistors R1 to Rl3, one end of the transistor Q8 is connected to a transistor Q20, one end of which is connected to a power supply voltage Vcc. Transistor Q19 ', the other end of which is connected to the output node O' and the transistor Q20, which is connected to one end of the transistor Q19 ', the base of which one end is connected to the power supply voltage Vcc and the other end is connected to ground ( Q21, 23 and one end of the transistor Q21, one end of which is connected to the power supply voltage Vcc, and the other end thereof is a base (Q21). And a transistor (Q24) having a base connected to one end of the transistor (Q22) and one end of the transistor (Q22), and the other end connected to the ground at one end of the transistor (Q3). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910014961A 1991-08-28 1991-08-28 Protecting circuit for a integrated circuit KR930010605B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910014961A KR930010605B1 (en) 1991-08-28 1991-08-28 Protecting circuit for a integrated circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910014961A KR930010605B1 (en) 1991-08-28 1991-08-28 Protecting circuit for a integrated circuit

Publications (2)

Publication Number Publication Date
KR930005319A true KR930005319A (en) 1993-03-23
KR930010605B1 KR930010605B1 (en) 1993-10-30

Family

ID=19319265

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910014961A KR930010605B1 (en) 1991-08-28 1991-08-28 Protecting circuit for a integrated circuit

Country Status (1)

Country Link
KR (1) KR930010605B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170027695A (en) * 2014-03-24 2017-03-10 어드밴스드 퓨젼 시스템스 엘엘씨 Improving power factor in ac power system
KR20240028805A (en) * 2022-08-25 2024-03-05 국립공주대학교 산학협력단 Input/Output port protection circuit of microcontroller practice kit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170027695A (en) * 2014-03-24 2017-03-10 어드밴스드 퓨젼 시스템스 엘엘씨 Improving power factor in ac power system
KR20240028805A (en) * 2022-08-25 2024-03-05 국립공주대학교 산학협력단 Input/Output port protection circuit of microcontroller practice kit

Also Published As

Publication number Publication date
KR930010605B1 (en) 1993-10-30

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