ELECTRONIC CIRCUIT AND SENSOR SYSTEM

To provide an electronic circuit capable of recognizing a disconnection state from the outside when a power supply line is disconnected.SOLUTION: The electronic circuit includes: a load provided between a power line and an output terminal in the electronic circuit; a transistor provided between the...

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Bibliographic Details
Main Authors NAKAGAWA SHIGEO, SATO TAKAO, KOTABE AKIRA
Format Patent
LanguageEnglish
Japanese
Published 10.12.2020
Subjects
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
PULSE TECHNIQUE
TESTING
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Summary:To provide an electronic circuit capable of recognizing a disconnection state from the outside when a power supply line is disconnected.SOLUTION: The electronic circuit includes: a load provided between a power line and an output terminal in the electronic circuit; a transistor provided between the load and the output terminal; a current generation circuit for generating an electric current using a power supply voltage of the power line in the electronic circuit; and a control circuit for controlling the transistor using a control voltage changing depending on an electric current generated in the current generation circuit.SELECTED DRAWING: Figure 4 【課題】電源供給線が断線した際に、外部から断線した状態を認識可能な電子回路を提供する。【解決手段】電子回路であって、電子回路内の電源線と出力端子との間に設けられた負荷と、負荷と出力端子との間に設けられたトランジスタと、電子回路内の電源線の電源電圧を用いて電流を生成する電流生成回路と、電流生成回路で生成した電流に応じて変化する制御電圧を用いてトランジスタを制御する制御回路を有する。【選択図】図４
Bibliography:Application Number: JP20190102665