KR970039082A - Electronic control unit power supply protection circuit - Google Patents

Electronic control unit power supply protection circuit Download PDF

Info

Publication number
KR970039082A
KR970039082A KR1019950048838A KR19950048838A KR970039082A KR 970039082 A KR970039082 A KR 970039082A KR 1019950048838 A KR1019950048838 A KR 1019950048838A KR 19950048838 A KR19950048838 A KR 19950048838A KR 970039082 A KR970039082 A KR 970039082A
Authority
KR
South Korea
Prior art keywords
power supply
control unit
electronic control
protection circuit
reverse voltage
Prior art date
Application number
KR1019950048838A
Other languages
Korean (ko)
Inventor
이승연
Original Assignee
전성원
현대자동차 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 전성원, 현대자동차 주식회사 filed Critical 전성원
Priority to KR1019950048838A priority Critical patent/KR970039082A/en
Publication of KR970039082A publication Critical patent/KR970039082A/en

Links

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Direct Current Feeding And Distribution (AREA)

Abstract

이 발명은 전자제어유닛 전원 보호회로에 관한 것으로, 전원을 인가받아 역전압 방지 기능을 하기 위한 역전압 방지수단과;전원을 상기 역전압 방지수단과 병렬로 인가받아 네거티브 스파이크 방지 기능을 하기 위한 네거티브 스파이크 방지 수단과;상기 역전압 방지수단과 네거티브 스파이크 방지 수단의 합류점에 연결되어 과부하 방지 기능을 하기 위한 과부하 방지수단을 포함하여 구성되어, 전자제어유닛에 안정한 전원을 공급하여 전자제어유닛이 올바른 동작을 할 수 있도록하는 전자제어유닛 전원 보호회로에 관한 것이다.The present invention relates to an electronic control unit power supply protection circuit, comprising: reverse voltage preventing means for receiving a reverse voltage protection function by receiving a power supply; negative power for negative spike protection function by receiving a power supply in parallel with the reverse voltage preventing means; A spike prevention means; and an overload prevention means connected to a confluence point of the reverse voltage prevention means and the negative spike prevention means to provide an overload protection function, and supplying stable power to the electronic control unit so that the electronic control unit operates correctly. The present invention relates to an electronic control unit power protection circuit.

Description

전자제어유닛 전원 보호회로Electronic control unit power supply protection circuit

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

제 1도는 이 발명의 실시예에 따른 전자유닛 전원 보호회로의 회로도,1 is a circuit diagram of an electronic unit power protection circuit according to an embodiment of the present invention;

제 2도는 이 발명의 실시예에 따른 전자제어유닛 전원 보호회로의 불안정한 전원 입력시의 각부 파형도.2 is a waveform diagram of each part during unstable power input of the electronic control unit power protection circuit according to the embodiment of the present invention.

Claims (5)

전원을 인가받아 역전압 방지 기능을 하기 위한 역전압 방지수단과;전원을 상기 역전압 방지수단과 병렬로 인가받아 네거티브 스파이크 방지 기능을 하기 위한 네거티브 스파이크 방지 수단과;상기 역전압 방지수단과 네거티브 스파이크 방지 수단의 합류점에 연결되어 과부하 방지 기능을 하기 위한 과부하 방지수단을 포함하여 구성되어짐을 특징으로 하는 전자제어유닛 전원 보호회로.A reverse voltage preventing means for receiving a power supply and performing a reverse voltage prevention function; a negative spike preventing means for applying a power supply in parallel with the reverse voltage preventing means to perform a negative spike prevention function; the reverse voltage preventing means and a negative spike And an overload prevention means connected to a confluence point of the prevention means for overload protection. 제1항에 있어서, 상기한 역전압 방지수단은 다이오드로 구성되어 짐을 특징으로 하는 전자제어유닛 전원 보호회로.2. The electronic control unit power supply protection circuit according to claim 1, wherein said reverse voltage prevention means is comprised of a diode. 제1항에 있어서, 상기한 네거티브 스파이크 방지 수단은 양방향 트랜실 다이오드로 구성되어 짐을 특징으로 하는 전자제어유닛 전원 보호회로.2. The power supply protection circuit of claim 1, wherein the negative spike prevention means comprises a bidirectional transsil diode. 제1항에 있어서, 상기한 과부하 방지수단은 제너다이오드로 구성되어 짐을 특징으로 하는 전자제어유닛 전원 보호회로.The protection circuit of claim 1, wherein the overload protection means comprises a zener diode. 제1항에 있어서, 전자제어유닛 전원 보호회로의 출력단은 다이오드와 제어다이오드의 사이에 있으며, 전자제어유닛의 전원단(Vd)에 연결되어 있는 것을 특징으로 하는 전자제어유닛 전원 보호회로.The power supply protection circuit according to claim 1, wherein an output terminal of the power supply protection circuit of the electronic control unit is between the diode and the control diode and is connected to the power supply terminal (Vd) of the electronic control unit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950048838A 1995-12-12 1995-12-12 Electronic control unit power supply protection circuit KR970039082A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950048838A KR970039082A (en) 1995-12-12 1995-12-12 Electronic control unit power supply protection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950048838A KR970039082A (en) 1995-12-12 1995-12-12 Electronic control unit power supply protection circuit

Publications (1)

Publication Number Publication Date
KR970039082A true KR970039082A (en) 1997-07-24

Family

ID=66594602

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950048838A KR970039082A (en) 1995-12-12 1995-12-12 Electronic control unit power supply protection circuit

Country Status (1)

Country Link
KR (1) KR970039082A (en)

Similar Documents

Publication Publication Date Title
KR910019334A (en) Reference generator
KR940010463A (en) Charge pumps operate on low voltage power supplies
KR930003556A (en) Progressive Turn-On CMOS Driver
KR910019342A (en) Buffer circuit for supplying output signal corresponding to the reference voltage
KR920018758A (en) Integrated semiconductor circuit
KR910002128A (en) Integrated control circuit
KR970039082A (en) Electronic control unit power supply protection circuit
KR870008441A (en) Power interface circuit
ATE152843T1 (en) ELECTRICAL MIRROR
KR960043452A (en) Feedback circuit with delayed protection circuit
KR970013603A (en) Lot sharing circuit of power supply
KR960027330A (en) Trigger Circuits for Power MOSFETs
KR920020818A (en) Power output variable circuit
KR910003888A (en) Protection circuit against negative excess voltage applied to the power supply of the integrated circuit including the power device associated with the control circuit
KR890013848A (en) IC overvoltage protection circuit
KR960016082A (en) 110V / 220V combined transformer
KR900011099A (en) Overvoltage Protection Circuits for Switching Power Supplies
KR970019045A (en) Base current control circuit of output transistor
KR920015728A (en) Voltage level detection circuit
KR950004673A (en) Load protection circuit when low voltage is applied
KR970013567A (en) Battery charging power supply
KR970024183A (en) Operation safety circuit of integrated circuit
KR890012424A (en) Overcurrent Protection Circuit of Power Equipment
KR970029285A (en) Monitor White Balance Correction Circuit
KR920009081A (en) Low Power TTL Input Buffer

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application