JPH02101282U - - Google Patents
Info
- Publication number
- JPH02101282U JPH02101282U JP949089U JP949089U JPH02101282U JP H02101282 U JPH02101282 U JP H02101282U JP 949089 U JP949089 U JP 949089U JP 949089 U JP949089 U JP 949089U JP H02101282 U JPH02101282 U JP H02101282U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- circuit
- control signal
- power
- line
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
第１図は本考案に係る電源制御回路の一実施例
を示す回路図、第２図は本考案の参考となる電源
制御回路を示す回路図である。
１，５……ＣＭＯＳ回路、３……電源ライン、
７……電源ライン（第１の電源ライン）、９……
第２の電源ライン、１１……制御回路（モノマル
チ回路）、１３……制御回路（時定数回路）、１
５……センサー回路、Ｂ１，Ｂ２……第１、第２
の電源、Ｃ１，Ｃ２……コンデンサ、Ｄ１〜Ｄ３
……定電圧ダイオード、Ｒ１〜Ｒ８……抵抗、Ｔ
ｒ１，Ｔｒ２……トランジスタ。
FIG. 1 is a circuit diagram showing an embodiment of a power supply control circuit according to the present invention, and FIG. 2 is a circuit diagram showing a power supply control circuit serving as a reference for the present invention. 1, 5...CMOS circuit, 3...Power line,
7...Power line (first power line), 9...
2nd power supply line, 11... Control circuit (mono multi circuit), 13... Control circuit (time constant circuit), 1
5...Sensor circuit, B1, B2...1st, 2nd
Power supply, C1, C2...Capacitor, D1 to D3
... Constant voltage diode, R1 to R8 ... Resistor, T
r1, Tr2...transistor.
Claims (1)
したことを検出するセンサー回路と、 このセンサー回路の検出に基づいて制御信号を
所定期間出力する制御回路と、 前記制御信号によつて前記電源ラインへの電源
供給を遮断するスイツチ回路と、 を具備してなることを特徴とする電源制御回路。[Claim for Utility Model Registration] A power supply line that supplies power to a CMOS circuit, a sensor circuit that detects that the power supply voltage of this power supply line has fallen below a reference voltage, and a control signal that generates a control signal based on the detection of this sensor circuit. A power supply control circuit comprising: a control circuit that outputs an output for a predetermined period; and a switch circuit that cuts off power supply to the power line in response to the control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP949089U JPH02101282U (en) | 1989-01-30 | 1989-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP949089U JPH02101282U (en) | 1989-01-30 | 1989-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02101282U true JPH02101282U (en) | 1990-08-13 |
Family
ID=31216275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP949089U Pending JPH02101282U (en) | 1989-01-30 | 1989-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02101282U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0523150U (en) * | 1991-08-30 | 1993-03-26 | ミツミ電機株式会社 | Voltage detection circuit |
-
1989
- 1989-01-30 JP JP949089U patent/JPH02101282U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0523150U (en) * | 1991-08-30 | 1993-03-26 | ミツミ電機株式会社 | Voltage detection circuit |