JPS6241343U - - Google Patents
Info
- Publication number
- JPS6241343U JPS6241343U JP13079285U JP13079285U JPS6241343U JP S6241343 U JPS6241343 U JP S6241343U JP 13079285 U JP13079285 U JP 13079285U JP 13079285 U JP13079285 U JP 13079285U JP S6241343 U JPS6241343 U JP S6241343U
- Authority
- JP
- Japan
- Prior art keywords
- battery
- zener diode
- circuit
- unit
- interposed
- 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
- 238000010586 diagram Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 1
Landscapes
- Protection Of Static Devices (AREA)
Description
第１図は本考案の一実施例の回路構成図、第２
図は同上実施例に使用する正特性サーミスタの温
度―抵抗特性図、第３図は同上実施例のバツテリ
逆接続時の通電電流特性図、第４図は従来の回路
構成図を示す。
１……コントロールユニツト、３……バツテリ
、４……電源回路、５……バツテリダンプサージ
吸収用ツエナダイオード、９……陽極端子、１１
……正特性サーミスタ、Ｎ……陰極端子。
Figure 1 is a circuit configuration diagram of an embodiment of the present invention;
The figure shows a temperature-resistance characteristic diagram of a positive temperature coefficient thermistor used in the above embodiment, FIG. 3 shows a conduction current characteristic diagram when the battery is reversely connected in the same embodiment, and FIG. 4 shows a conventional circuit configuration diagram. 1... Control unit, 3... Battery, 4... Power supply circuit, 5... Zener diode for battery dump surge absorption, 9... Anode terminal, 11
...Positive characteristic thermistor, N...Cathode terminal.
Claims (1)
極端子と陰極端子との間に接続されるユニツト内
回路に対して並列にバツテリダンプサージ吸収用
ツエナダイオードを接続してなる車両用電子制御
装置において、前記陽極端子と前記ユニツト内回
路及びツエナダイオードとの間に正特性サーミス
タを介装したことを特徴とするバツテリ逆接続保
護回路。 In a vehicle electronic control device, a battery dump surge absorbing Zener diode is connected in parallel to an internal circuit connected between an anode terminal and a cathode terminal of a control unit to which a battery is connected. A battery reverse connection protection circuit characterized in that a positive characteristic thermistor is interposed between the circuit in the unit and the Zener diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13079285U JPS6241343U (en) | 1985-08-29 | 1985-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13079285U JPS6241343U (en) | 1985-08-29 | 1985-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6241343U true JPS6241343U (en) | 1987-03-12 |
Family
ID=31028633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13079285U Pending JPS6241343U (en) | 1985-08-29 | 1985-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6241343U (en) |
-
1985
- 1985-08-29 JP JP13079285U patent/JPS6241343U/ja active Pending
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