JPS59131071U

JPS59131071U - voltage monitoring device

Info

Publication number: JPS59131071U
Application number: JP2365183U
Authority: JP
Inventors: 操古谷
Original assignee: 株式会社日本テクナ−ト; 日本テクナ−ト株式会社; サンシン電気株式会社
Priority date: 1983-02-19
Filing date: 1983-02-19
Publication date: 1984-09-03

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のリセット回路を示す図、第２図は本実施
例電圧監視装置の構成図、第３図は電圧監視装置の動作
タイミングチャート、第４図は電圧監視装置の他の実施
例の構成図である。図において、Ｒ１−Ｒ８・・・・・・抵抗、ＴＲ１〜Ｔ
Ｒ，７・・・・・・トランジスタ、ｚｏ□・・・・・・
ツェナーダイオード、Ｃ１・・・・・・コンデンサ、１
・・・・・・インバータ、２・・・・・・電圧監視装置
、１１・・・・・・比較器である。Fig. 1 is a diagram showing a conventional reset circuit, Fig. 2 is a configuration diagram of the voltage monitoring device of this embodiment, Fig. 3 is an operation timing chart of the voltage monitoring device, and Fig. 4 is another embodiment of the voltage monitoring device. FIG. In the figure, R1-R8...Resistance, TR1-T
R, 7...Transistor, zo□...
Zener diode, C1...Capacitor, 1
. . . Inverter, 2 . . . Voltage monitoring device, 11 . . . Comparator.

Claims

[Scope of claim for utility model registration] 1. A power input end that serves as both a driving power source and a power source to be measured;
A device for measuring the potential of a ground terminal and the power input terminal and outputting the measurement result (at least one output terminal, and a resistor and a constant voltage source between the power input terminal and the ground terminal). a first part that is provided in series with a second part that divides the potential between the power supply input terminal and the ground, and a connection point between the constant voltage source and the resistor of the first part and the second part. A voltage monitoring device characterized by integrally forming a comparison section that compares a divided voltage value and at least one output section that outputs a comparison result of the comparison section. 2. Opening of a transistor with the output section. The voltage monitoring device according to claim 1 of the utility model registration claim, characterized in that the voltage monitoring device has a collector output. 3. A stable operating range is achieved by directly driving the base current of the output transistor from the power input end via a resistor. A voltage monitoring device according to claim 1, characterized in that the voltage monitoring device is set at a junction voltage or higher and a breakdown voltage or lower of a constituent semiconductor element. 4. A utility model registration claim characterized in that a Zener diode is used as a constant voltage source. 5. The voltage monitoring device according to claim 1. 5. Claim 1 of the utility model registration, characterized in that the constant voltage source is a bandgap Zener diode.
Voltage monitoring device as described in section.