JPS60132144U - Power supply circuit for automotive electronic circuits - Google Patents
Power supply circuit for automotive electronic circuitsInfo
- Publication number
- JPS60132144U JPS60132144U JP2042584U JP2042584U JPS60132144U JP S60132144 U JPS60132144 U JP S60132144U JP 2042584 U JP2042584 U JP 2042584U JP 2042584 U JP2042584 U JP 2042584U JP S60132144 U JPS60132144 U JP S60132144U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- supply circuit
- electronic circuits
- automotive electronic
- electronic circuit
- 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
Landscapes
- Emergency Protection Circuit Devices (AREA)
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の実施例を示すもので、第１図は電源回路
の全体構成図、第２図ａは入力電圧Ｖｉの変化に対す出
力電圧ＶＯの変化を示す図、第２図ｂ〜ｄはトランジス
タＴｒ３〜Ｔｒ５の作動状態の変化を示す図である。
、１０・・・・・・入力端子、１２・・・・・・出力端
子、１４・・・ 。
・・・バッテリ、１５・・・・・・電子回路、１８・・
・・・・電圧低下検出回路、１９・・・・・・電圧上昇
検出回路、Ｔｒｌ・・・・・・パワートランジスタ、Ｔ
ｒ２〜Ｔｒ５・・・・・・トランジスタ、ｚＤ１〜ＺＤ
４・・・・・・ゼナーダイオード。The drawings show an embodiment of the present invention, and FIG. 1 is an overall configuration diagram of a power supply circuit, FIG. 2a is a diagram showing changes in output voltage VO with respect to changes in input voltage Vi, and FIGS. 2b to d 1 is a diagram showing changes in the operating states of transistors Tr3 to Tr5. , 10...input terminal, 12...output terminal, 14... ...Battery, 15...Electronic circuit, 18...
... Voltage drop detection circuit, 19... Voltage rise detection circuit, Trl... Power transistor, T
r2~Tr5...Transistor, zD1~ZD
4... Zener diode.
Claims (1)
せるようにしだ車載電子回路用電源回路において、前記
バッテリと電子回路との間に直列的に接続された制御素
子と、前記バッテリの出力電圧が設定値よりも高い場合
のみ前記制御素子を導通状態にする導通制御手段とを設
けたことを特徴とする車載電子回路用電源回路。In a power supply circuit for an in-vehicle electronic circuit in which an electronic circuit mounted on an automobile is operated by a battery, a control element connected in series between the battery and the electronic circuit, and an output voltage of the battery set to a set value. 1. A power supply circuit for an on-vehicle electronic circuit, comprising: a conduction control means that brings the control element into a conductive state only when the voltage is higher than .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2042584U JPS60132144U (en) | 1984-02-14 | 1984-02-14 | Power supply circuit for automotive electronic circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2042584U JPS60132144U (en) | 1984-02-14 | 1984-02-14 | Power supply circuit for automotive electronic circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60132144U true JPS60132144U (en) | 1985-09-04 |
Family
ID=30510898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2042584U Pending JPS60132144U (en) | 1984-02-14 | 1984-02-14 | Power supply circuit for automotive electronic circuits |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60132144U (en) |
-
1984
- 1984-02-14 JP JP2042584U patent/JPS60132144U/en active Pending
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