KR930011383A - Power supply circuit of microcontroller for power control - Google Patents

Power supply circuit of microcontroller for power control Download PDF

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Publication number
KR930011383A
KR930011383A KR1019910019988A KR910019988A KR930011383A KR 930011383 A KR930011383 A KR 930011383A KR 1019910019988 A KR1019910019988 A KR 1019910019988A KR 910019988 A KR910019988 A KR 910019988A KR 930011383 A KR930011383 A KR 930011383A
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KR
South Korea
Prior art keywords
terminal
regulator
resistor
output
grounded
Prior art date
Application number
KR1019910019988A
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Korean (ko)
Inventor
이창흠
Original Assignee
김영수
삼성전자 주식회사
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Publication date
Application filed by 김영수, 삼성전자 주식회사 filed Critical 김영수
Priority to KR1019910019988A priority Critical patent/KR930011383A/en
Publication of KR930011383A publication Critical patent/KR930011383A/en
Priority to KR2019940021134U priority patent/KR970006894Y1/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
    • H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00306—Overdischarge protection
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • 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
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Direct Current Feeding And Distribution (AREA)

Abstract

AC 어댑티의 출력 단자 및 배터리에 입력 단자가 연결되어 배터리의 전압이 일정 전압 이상일 때만 레귤레이터를 동작시킴으로써 배터리의 전압상태에 따라 레귤레이터를 구동하는 레귤레이터 구동부와, 상기한 레귤레이터 구동부의 출력 단자에 입력 단자가 연결되어 레귤레이터를 이용하여 레귤레이터 구동부의 출력 신호에 따라 전원제어용 마이크로 컨트롤러에 입력되는 전원 공급을 제어하는 출력부로 구성되어, 레귤레이터를 이용하여 배터리의 전압 상태에 따라 마이크로 컨트롤러에 전원을 공급함으로써 마이크로 컨트롤러가 오동작되지 않도록 하고 또한 배터리의 수명을 연장시킨 것.An input terminal is connected to an output terminal of the AC adapter and an input terminal connected to the battery to operate the regulator only when the voltage of the battery is greater than or equal to a predetermined voltage. Is connected to the output unit for controlling the power supply input to the microcontroller for power control according to the output signal of the regulator driving unit using a regulator, by using a regulator to supply power to the microcontroller according to the voltage of the battery microcontroller To prevent malfunction and to prolong the life of the battery.

Description

전원제어용 마이크로 컨트롤러의 전원공급 회로Power supply circuit of microcontroller for power control

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

제1도는 종래의 전원제어용 마이크로 컨트롤러의 전원공급 회로의 상세 회로도.1 is a detailed circuit diagram of a power supply circuit of a conventional power control microcontroller.

제2도는 이 발명의 실시예에 따른 전원제어용 마이크로 컨트롤러의 전원공급 회로의 상세 회로도이다.2 is a detailed circuit diagram of a power supply circuit of a microcontroller for power control according to an embodiment of the present invention.

Claims (3)

배터리를 사용하는 휴대용 정보처리 기기의 전원부에 있어서, AC 어댑터의 출력 단자 및 배터리(VBATT)의 양극 단자에 입력 단자가 연결되어, 배터리의 전압이 일정 전압 이상일 때만 레귤레이터를 동작시킴으로써 배터리의 전압 상태에 따라 레귤레이터를 구동하는 레귤레이터 구동부와, 상기한 레귤레이터 구동부의 출력 단자에 입력 단자가 연결되어, 레귤레이터를 이용하여 레귤레이터 구동부의 출력 신호에 따라 전원제어용 마이크로 컨트롤러에 입력되는 전원 공급을 제어하는 출력부로 이루어지는 것을 특징으로 하는 전원제어용 마이크로 컨트롤러의 전원공급 회로.In the power supply unit of a portable information processing device using a battery, an input terminal is connected to an output terminal of an AC adapter and a positive terminal of a battery (V BATT ), and the voltage of the battery is operated by operating the regulator only when the voltage of the battery is higher than a predetermined voltage. And an input terminal connected to an output terminal of the regulator driving unit, and an output unit for controlling the power supply input to the microcontroller for power control according to the output signal of the regulator driving unit using the regulator. Power supply circuit of a microcontroller for power control, characterized in that. 제1항에 있어서, 상기한 레귤레이터 구동부의 구성은 AC 어댑터의 메인단자(MAIN)에 1번 접점단자와 코일입력단자가 연결되고 AC 어댑터의 충전단자(CHARGE)에 2번 접점단자가 연결된 계전기(RL)와, AC 어댑터의 신호단자(SIGNAL)에 에노드가 연결된 다이오드(D1, D2)와, 다이오드(D1, D2)의 캐소드에 한쪽 단자가 연결된 저항(R1, R2)과, 저항(R1)의 다른 한쪽 단자에 한쪽 단자가 연결되고 다른 한쪽 단자는 접지된 저항(R12)과, 저항(R1, R2)의 접속점에 게이트 단자가 연결되고 계전기(RL)의 코일 출력단자에 소오스 단자가 연결되고 드레인 단자는 접지된 제1전계효과 트랜지스터(Q1)와, 계전기(RL)의 3번 접점단자에 한쪽 단자가 연결된 스위치(SW)와, 스위치(SW)의 다른 한쪽 단자에 에노드가 연결된 다이오드(D3)와, 다이오드(D3)의 캐소드에 한쪽단자가 연결된 저항(R3)과, 저항(R3)의 다른 한쪽 단자에 캐소드가 연결된 제너다이오드(ZD1)와 제너다이오드(ZD1)와 저항(R2)의 접속점에 한쪽 단자가 연결되고 다른 한쪽 단자는 접지된 저항(R13)과, 스위치(SW)와 계전기(RL)의 3번 접점단자와의 접속점에 한쪽 단자가 연결되고 다른 한쪽 단자는 접지된 캐패시터(C1, C2)와, 스위치(SW)과, 저항(R4)의 다른 한쪽 단자에 소오스 단자가 연결되고 제너다이오드(ZD1)와 저항(R2)의 접속점에 게이트 단자가 연결되고 드레인 단자는 접지된 제2전계효과 트랜지스터(Q2)로 이루어지는 것을 특징으로하는 전원제어용 마이크로 컨트롤러의 전원공급 회로.According to claim 1, wherein the configuration of the regulator drive unit is a relay (connected terminal 1 and the coil input terminal connected to the main terminal (MAIN) of the AC adapter and the contact terminal 2 connected to the charging terminal (CHARGE) of the AC adapter) RL, diodes D1 and D2 having an anode connected to the signal terminal SIGNAL of the AC adapter, resistors R1 and R2 having one terminal connected to the cathodes of the diodes D1 and D2, and resistor R1. One terminal is connected to the other terminal of the terminal, and the other terminal is connected to the grounded resistor R12 and the connection terminal of the resistors R1 and R2, and the source terminal is connected to the coil output terminal of the relay RL. The drain terminal includes a grounded first field effect transistor Q1, a switch SW having one terminal connected to the third contact terminal of the relay RL, and a diode having an anode connected to the other terminal of the switch SW. D3), a resistor R3 having one terminal connected to the cathode of the diode D3, and a resistor ( One terminal is connected to the connection point of the zener diode ZD1 and the zener diode ZD1 and the resistor R2 with the cathode connected to the other terminal of R3), and the other terminal is the grounded resistor R13 and the switch SW. One terminal is connected to the contact point of the contact point 3 of the relay RL and the other terminal is connected to the grounded capacitors C1 and C2, the switch SW, and the other terminal of the resistor R4. And a gate terminal is connected to a connection point of the zener diode (ZD1) and the resistor (R2) and the drain terminal is grounded with a second field effect transistor (Q2). 제1항에 있어서, 상기한 출력부의 구성은 레귤레이터 구동부(10)의 저항(R4)의 다른 한쪽 단자에 셔트다운단자(SD)가 연결되고 스위치(SW)와 계전기(RL)의 3번 접점단자와의 접속점에 전원입력 단자(Vin)가 연결된 레귤레이터(AR)와, 레귤레이터(AR)의 전원 출력단자(Vout)에 한쪽 단자가 연결되고 레귤레이터(AR)의 에러출력단자(Error)에 다른 한쪽 단자가 연결된 저항(R5)과, 레귤레이터(AR)의 전원 출력단자(Vout)에 한쪽 단자가 연결되고 레귤레이터(AR)의 출력단자(FB)에 다른 한쪽 단자가 연결된 저항(R6)과, 레귤레이터(AR)의 출력단자(FB)에 한쪽 단자가 연결되고 다른 한쪽 단자는 접지된 저항(R7)과, 레귤레이터(AR)의 전원 출력단자(Vout)에 한쪽 단자가 연결되고 레귤레이터(AR)의 출력단자(FB)에 다른 한쪽 단자가 연결된 커패시터(C3)와, 레귤레이터(AR)의 전원 출력단자(Vout)에 한쪽 단자가 연결되고 다른 한쪽 단자는 접지된 커패시터(C4)와, 레귤레이터(AR)의 전원출력단자(Vout)에 한쪽 단자가 연결된 저항(R8)과, 저항(R8)의 다른 한쪽 단자에 한쪽단자가 연결되고 다른 한쪽 단자는 접지된 커패시터(C5)와, 저항(R8)과 커패시터(C5)의 접속점에 한쪽 단자가 연결된 저항(R9)과, 저항(R9)의 다른 한쪽 단자에 한쪽 단자가 연결되고 다른 한쪽 단자는 접지된 저항(R10)과, 저항(R8, R10)의 접속점에 션트 입력단자가 연결되고 에노드는 접지된 션트 레귤레이터(SR)와, 션트 레귤레이터(SR)의 캐소드에 비반전 입력단자가 연결되고 반전 입력단자는 출력 단자에 연결된 전압 비교기(OP)와, 전압비교기(OP)의 출력 단자에 한쪽 단자가 연결된 서어미스터(TH1)와, 서어미스터(TH1)의 다른 한쪽 단자에 한쪽단자가 연결되고 다른 한쪽 단자는 접지된 저항(R11)으로 이루어지는 것을 특징으로 하는 전원제어용 마이크로컨트롤러의 전원공급 회로.According to claim 1, wherein the output unit has a shutter-down terminal (SD) is connected to the other terminal of the resistor (R4) of the regulator drive unit 10, the contact point 3 of the switch SW and the relay (RL) One terminal is connected to the regulator (AR) connected to the power input terminal (Vin) at the connection point of the controller, and the power output terminal (Vout) of the regulator (AR) and the other terminal to the error output terminal (Error) of the regulator (AR). Is connected to a resistor (R5) connected to the power supply output terminal (Vout) of the regulator (AR), the resistor (R6) connected to the other terminal of the output terminal (FB) of the regulator (AR), and the regulator (AR) One terminal is connected to the output terminal (FB) of the terminal and the other terminal is connected to the grounded resistor (R7) and the power output terminal (Vout) of the regulator (AR), and the output terminal ( The capacitor C3 having the other terminal connected to FB) and the power output terminal of the regulator AR ( One terminal is connected to Vout) and the other terminal is a grounded capacitor C4, a resistor R8 having one terminal connected to the power output terminal Vout of the regulator AR, and the other terminal of the resistor R8. One terminal is connected to the other terminal and the other terminal is connected to the grounded capacitor (C5), one terminal of the resistor (R8) and one terminal of the resistor (R9) and the other terminal of the resistor (R9). The terminal is connected and the other terminal is connected to the grounded resistor R10, the shunt input terminal to the connection point of the resistors R8 and R10, and the anode is connected to the grounded shunt regulator SR and the cathode of the shunt regulator SR. The non-inverting input terminal is connected and the inverting input terminal is a voltage comparator OP connected to an output terminal, a thermistor TH1 having one terminal connected to the output terminal of the voltage comparator OP, and the other of the thermistor TH1. One terminal is connected to the terminal and the other The power supply circuit of the power source control microcontroller, characterized in that consisting of wherein (R11). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910019988A 1991-11-11 1991-11-11 Power supply circuit of microcontroller for power control KR930011383A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019910019988A KR930011383A (en) 1991-11-11 1991-11-11 Power supply circuit of microcontroller for power control
KR2019940021134U KR970006894Y1 (en) 1991-11-11 1994-08-22 Power supply circuit of micro controller for power source control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910019988A KR930011383A (en) 1991-11-11 1991-11-11 Power supply circuit of microcontroller for power control

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR2019940021134U Division KR970006894Y1 (en) 1991-11-11 1994-08-22 Power supply circuit of micro controller for power source control

Publications (1)

Publication Number Publication Date
KR930011383A true KR930011383A (en) 1993-06-24

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KR1019910019988A KR930011383A (en) 1991-11-11 1991-11-11 Power supply circuit of microcontroller for power control
KR2019940021134U KR970006894Y1 (en) 1991-11-11 1994-08-22 Power supply circuit of micro controller for power source control

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR2019940021134U KR970006894Y1 (en) 1991-11-11 1994-08-22 Power supply circuit of micro controller for power source control

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150027911A (en) * 2013-09-04 2015-03-13 현대모비스 주식회사 Sensor power interface for Motor Driven Power Steering for vehicle, and control method thereof
KR20190123807A (en) * 2017-03-24 2019-11-01 밀워키 일렉트릭 툴 코포레이션 Terminal configuration for battery pack

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150027911A (en) * 2013-09-04 2015-03-13 현대모비스 주식회사 Sensor power interface for Motor Driven Power Steering for vehicle, and control method thereof
KR20190123807A (en) * 2017-03-24 2019-11-01 밀워키 일렉트릭 툴 코포레이션 Terminal configuration for battery pack

Also Published As

Publication number Publication date
KR970006894Y1 (en) 1997-07-09

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