KR920007292A - Charge / discharge control circuit - Google Patents

Charge / discharge control circuit Download PDF

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Publication number
KR920007292A
KR920007292A KR1019900015096A KR900015096A KR920007292A KR 920007292 A KR920007292 A KR 920007292A KR 1019900015096 A KR1019900015096 A KR 1019900015096A KR 900015096 A KR900015096 A KR 900015096A KR 920007292 A KR920007292 A KR 920007292A
Authority
KR
South Korea
Prior art keywords
charge
control circuit
output
discharge control
rechargeable battery
Prior art date
Application number
KR1019900015096A
Other languages
Korean (ko)
Other versions
KR920009361B1 (en
Inventor
김도완
Original Assignee
정용문
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 정용문, 삼성전자 주식회사 filed Critical 정용문
Priority to KR1019900015096A priority Critical patent/KR920009361B1/en
Publication of KR920007292A publication Critical patent/KR920007292A/en
Application granted granted Critical
Publication of KR920009361B1 publication Critical patent/KR920009361B1/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Protection Of Static Devices (AREA)

Abstract

내용 없음.No content.

Description

충방전 제어회로Charge / discharge control circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 회로도.1 is a circuit diagram of the present invention.

제2도는 본 발명의 동작 파형도.2 is an operational waveform diagram of the present invention.

제3도는 본 발명의 일실시예의 회로도.3 is a circuit diagram of one embodiment of the present invention.

Claims (4)

충전지(BT)를 구비한 전원 회로에 있어서, 인가전원(Vin) 입력단에 캐소드가 접속되고 상기 충전지(BT)의 한단에 애노드가 접속되어 과충전을 방지하는 제너다이오드(DZ)와, 상기 충전지(BT)로부터 방전되는 전압(VBT1)을 인가전압(Vin) 레벨로 변환하는 직류전원 변환기(10)와, 상기 충전지(BT)의 방전 한계전압(VBT1) 도달 여부를 검출하는 저전압 감지부(20)와, 상기 저전압 감지부(20)의 제어를 받아 인가전압(Vin) 혹은 상기 직류전원 변환기(10)로부터 출력되는 전압을 출력하는 전원 출력부로 구성됨을 특징으로 하는 충방전 제어회로.In a power supply circuit having a rechargeable battery BT, a zener diode DZ for connecting a cathode to an input power supply Vin and an anode connected to one end of the rechargeable battery BT to prevent overcharging, and the rechargeable battery BT DC power converter 10 for converting the voltage (V BT1 ) discharged from the to the applied voltage (Vin) level, and the low voltage detection unit 20 for detecting whether the discharge limit voltage (V BT1 ) of the rechargeable battery (BT) has reached. And a power output unit configured to output an applied voltage Vin or a voltage output from the DC power converter 10 under the control of the low voltage detection unit 20. 제1항에 있어서, 상기 전원 출력부가 상기 저전압 감지부(20) 출력을 반전하는 인버터(NOT)와, 소오스가 상기 제너다이오드(DZ)의 캐소드에 접속되고 게이트가 상기 인버터(NOT) 출력단에 접속된 피모오스 전계효과 트랜지스터(PMOS)로 구성됨을 특징으로 하는 충방전 제어회로.The inverter (NOT) of claim 1, wherein the power output unit inverts the output of the low voltage detection unit (20), a source is connected to a cathode of the zener diode (DZ), and a gate is connected to the inverter (NOT) output terminal. Charge and discharge control circuit, characterized in that consisting of PMOS field effect transistor (PMOS). 제2항에 있어서, 상기 직류전원 변환부(10) 출력단과 상기 피모오스 전계효과 트랜지스터(PMOS)의 소오스 사이에 쇼트키 다이오드(DS)를 더 구비함을 특징으로 하는 충방전 제어회로.The charge and discharge control circuit according to claim 2, further comprising a Schottky diode (DS) between an output terminal of the DC power converter (10) and a source of the PMOS field effect transistor (PMOS). 제2항에 있어서, 상기 제너다이오드(DZ)의 캐소드에 일단이 접속된 저항(R)을 더 구비함을 특징으로 하는 충방전 제어회로.The charge and discharge control circuit according to claim 2, further comprising a resistor (R) having one end connected to a cathode of the zener diode (DZ). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900015096A 1990-09-22 1990-09-22 Circuit for controlling charging-discharging KR920009361B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900015096A KR920009361B1 (en) 1990-09-22 1990-09-22 Circuit for controlling charging-discharging

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900015096A KR920009361B1 (en) 1990-09-22 1990-09-22 Circuit for controlling charging-discharging

Publications (2)

Publication Number Publication Date
KR920007292A true KR920007292A (en) 1992-04-28
KR920009361B1 KR920009361B1 (en) 1992-10-15

Family

ID=19303939

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900015096A KR920009361B1 (en) 1990-09-22 1990-09-22 Circuit for controlling charging-discharging

Country Status (1)

Country Link
KR (1) KR920009361B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101675760B1 (en) * 2015-12-14 2016-11-14 황현태 drying vessel for microwave oven

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101675760B1 (en) * 2015-12-14 2016-11-14 황현태 drying vessel for microwave oven

Also Published As

Publication number Publication date
KR920009361B1 (en) 1992-10-15

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