KR970048591A - Battery Supply Voltage Level Detection Circuit - Google Patents
Battery Supply Voltage Level Detection Circuit Download PDFInfo
- Publication number
- KR970048591A KR970048591A KR1019950048353A KR19950048353A KR970048591A KR 970048591 A KR970048591 A KR 970048591A KR 1019950048353 A KR1019950048353 A KR 1019950048353A KR 19950048353 A KR19950048353 A KR 19950048353A KR 970048591 A KR970048591 A KR 970048591A
- Authority
- KR
- South Korea
- Prior art keywords
- power supply
- node
- voltage
- supply voltage
- battery power
- Prior art date
Links
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)
- Measurement Of Current Or Voltage (AREA)
Abstract
1. 청구범위에 기재된 발명이 속한 기술분야1. TECHNICAL FIELD OF THE INVENTION
전원전압레벨 감지회로.Supply voltage level detection circuit.
2. 발명이 해결하려고 하는 기술적 과제2. The technical problem to be solved by the invention
배터리의 전원전압의 레벨을 감지함에 있어 경제적이며, 직접화 및 소경량화가 가능한 배터리 전원전압레벨 감지회로를 제공한다.It is economical in detecting the power supply voltage level of the battery, and provides a battery power supply voltage level detection circuit capable of direct and small weight.
3. 발명의 해결 방법의 요지3. Summary of the Solution of the Invention
배터리 전원전압의 레벨상태를 감지하기 위한 회로는 상기 배터리 전원전압을 공급하는 배터리 전원전압공급부와, 상기 배터리 전원전압공급부와 제1노드 사이에 제1저항과, 상기 제1노드와 접지단 사이에 제2저항이 위치하고, 상기 제1노드의 분압전압을 출력하는 분압전압 발생부와, 상기 제1노드와 제2노드에 연결되어 있고, 기준전압을 구비하여, 상기 분압전압이 상기 기준전압보다 낮을 시 턴오프되는 스위칭부와, 상기 제2노드의 전원전압을 배터리 상태확인 전압으로 입력하여 상기 배터리 전원전압의 레벨상태를 감지하는 제어부로 구성한다.A circuit for detecting a level state of a battery power supply voltage includes a battery power supply unit supplying the battery power supply voltage, a first resistor between the battery power supply unit and the first node, and a first resistor between the first node and the ground terminal. A voltage divider for generating a divided voltage of the first node and connected to the first node and the second node; and having a reference voltage, wherein the divided voltage is lower than the reference voltage. And a switching unit which is turned off at the time and a control unit which detects a level state of the battery power supply voltage by inputting a power supply voltage of the second node as a battery state confirmation voltage.
4. 발명의 중요한 용도4. Important uses of the invention
배터리를 사용하는 단말 장치에 공급되는 전원전압의 레벨상태를 감지하는 회로에 관한 것이다.The present invention relates to a circuit for detecting a level state of a power supply voltage supplied to a terminal device using a battery.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제1도는 종래의 배터리 전원전압레벨 감지회로를 도시한 도면.1 is a view showing a conventional battery power supply voltage level detection circuit.
제2도는 본 발명의 바람직한 실시예에 따라 배터리 전원전압레벨 감지회로를 도시한 도면.2 illustrates a battery power supply voltage level detection circuit in accordance with a preferred embodiment of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
111 : 배터리 전원전압 공급부 112 : 검출신호 발생부111: battery power supply voltage 112: detection signal generator
115 : 리셋펄스 발생부 116 : 제어부115: reset pulse generator 116: control unit
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950048353A KR0158118B1 (en) | 1995-12-11 | 1995-12-11 | Battery voltage level detection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950048353A KR0158118B1 (en) | 1995-12-11 | 1995-12-11 | Battery voltage level detection circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970048591A true KR970048591A (en) | 1997-07-29 |
KR0158118B1 KR0158118B1 (en) | 1998-12-15 |
Family
ID=19439036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950048353A KR0158118B1 (en) | 1995-12-11 | 1995-12-11 | Battery voltage level detection circuit |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0158118B1 (en) |
-
1995
- 1995-12-11 KR KR1019950048353A patent/KR0158118B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR0158118B1 (en) | 1998-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR890012491A (en) | receiving set | |
KR910000432A (en) | Control device of vehicle safety device | |
KR890015106A (en) | Battery Selection Control Method and Device | |
KR920018563A (en) | Micro computer reset circuitry | |
KR970048591A (en) | Battery Supply Voltage Level Detection Circuit | |
KR970068081A (en) | DC power circuit | |
KR890017117A (en) | Fault detection device of airbag device | |
KR890014871A (en) | Ignition Signal Detection Circuit | |
KR970028955A (en) | Semiconductor devices | |
KR930024018A (en) | Semiconductor devices | |
KR960039004A (en) | Fuse State Detection Circuit of Semiconductor Memory Device | |
KR970013801A (en) | Supply voltage drop detection circuit | |
KR0134802Y1 (en) | An alarm circuit without inputing signal of a monitor | |
KR970031143A (en) | Abnormal power cut off circuit | |
KR970002778A (en) | Power failure alarm circuit | |
KR970019391A (en) | Tape start and end detection device of the camcorder | |
KR910010791A (en) | Battery capacity sensing circuit | |
KR970022672A (en) | Abnormal voltage detection circuit of monitor power supply circuit | |
KR940008210A (en) | Power state detection and alarm circuit of power supply | |
KR950025503A (en) | Selective Malfunction Prevention Constant Voltage Circuit | |
KR960017353A (en) | Diagnostic circuit of runaway detection circuit | |
JPS5618375A (en) | Battery liquid level alarm | |
KR950012957A (en) | Ultra Low Current Voltage Supervisory Circuits | |
KR950029051A (en) | Anti-theft device for car audio | |
KR910003887A (en) | Overvoltage Detection and Protection Circuit |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20020723 Year of fee payment: 5 |
|
LAPS | Lapse due to unpaid annual fee |