JPS6079835U - Electronic switch overcurrent detection circuit - Google Patents
Electronic switch overcurrent detection circuitInfo
- Publication number
- JPS6079835U JPS6079835U JP17191383U JP17191383U JPS6079835U JP S6079835 U JPS6079835 U JP S6079835U JP 17191383 U JP17191383 U JP 17191383U JP 17191383 U JP17191383 U JP 17191383U JP S6079835 U JPS6079835 U JP S6079835U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- overcurrent detection
- detection circuit
- electronic switch
- output
- 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.)
- Granted
Links
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
第１図は従来の過電流検出回路の回路図、第２図はこの
考案における過電流検出回路の一実施例を示す回路図、
第３図は要部の詳細を示す回路図である。
１・・・ＩＣ回路、２・・・比較器、３・・・出力しゃ
断回路、４・・・出力回路、５・・・出力トランジスタ
、Ｒｏ・・・抵抗、６・・・負荷、？、８．９・・・ト
ランジスタ、１０・・・電圧源。
第２図FIG. 1 is a circuit diagram of a conventional overcurrent detection circuit, and FIG. 2 is a circuit diagram showing an embodiment of the overcurrent detection circuit in this invention.
FIG. 3 is a circuit diagram showing details of main parts. 1... IC circuit, 2... Comparator, 3... Output cutoff circuit, 4... Output circuit, 5... Output transistor, Ro... Resistor, 6... Load, ? , 8.9...transistor, 10... voltage source. Figure 2
Claims (1)
トランジスタ５を外付けするものにおいて、この出力ト
ランジスタのエミッタを電源に対して抵抗Ｒ０を介して
接続するとともにそのコレクタを出力端子に引出し、か
つそのベースを上記ＩＣ回路１の比較器２の一芳の入力
端および出力しゃ断回路３にそれぞれ接続し、上記抵抗
Ｒ０による電圧降下を上記出力トランジスタ５のペニス
電位を検出することにより検出するようにした電子スイ
ッチの過電流検出回路。In the case where an output transistor 5 is externally attached to the output terminal of the IC circuit 1 of an IC-based electronic switch, the emitter of this output transistor is connected to the power supply via a resistor R0, and its collector is drawn out to the output terminal. and its base is connected to the Kazuyoshi input terminal of the comparator 2 of the IC circuit 1 and the output cutoff circuit 3, so that the voltage drop due to the resistor R0 is detected by detecting the penis potential of the output transistor 5. Overcurrent detection circuit for electronic switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17191383U JPS6079835U (en) | 1983-11-08 | 1983-11-08 | Electronic switch overcurrent detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17191383U JPS6079835U (en) | 1983-11-08 | 1983-11-08 | Electronic switch overcurrent detection circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6079835U true JPS6079835U (en) | 1985-06-03 |
| JPH0346594Y2 JPH0346594Y2 (en) | 1991-10-02 |
Family
ID=30374884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17191383U Granted JPS6079835U (en) | 1983-11-08 | 1983-11-08 | Electronic switch overcurrent detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6079835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6395720A (en) * | 1986-10-13 | 1988-04-26 | Mitsubishi Electric Corp | Protection circuit for load switching device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58205333A (en) * | 1982-05-05 | 1983-11-30 | シ−メンス・アクチエンゲゼルシヤフト | Protecting circuit for switching transistor |
-
1983
- 1983-11-08 JP JP17191383U patent/JPS6079835U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58205333A (en) * | 1982-05-05 | 1983-11-30 | シ−メンス・アクチエンゲゼルシヤフト | Protecting circuit for switching transistor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6395720A (en) * | 1986-10-13 | 1988-04-26 | Mitsubishi Electric Corp | Protection circuit for load switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0346594Y2 (en) | 1991-10-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6079835U (en) | Electronic switch overcurrent detection circuit | |
| JPS607156U (en) | mass marker circuit | |
| JPS60155213U (en) | Input stage transistor protection circuit for electronic circuits | |
| JPS5914426U (en) | input circuit | |
| JPS5978712U (en) | Muting circuit | |
| JPS60181927U (en) | Transistor switching circuit with protection function | |
| JPS60124231U (en) | short circuit protection circuit | |
| JPS5832540U (en) | Abnormal signal generation circuit | |
| JPS58138409U (en) | Muting circuit | |
| JPS58165677U (en) | window comparator | |
| JPS58130268U (en) | Current detection circuit with resistor switching circuit | |
| JPS5939527U (en) | Amplifier muting circuit | |
| JPS59195816U (en) | Muting circuit | |
| JPS5828533U (en) | Momentary power failure detection circuit | |
| JPS6020625U (en) | Stabilized power supply circuit | |
| JPS58189972U (en) | voltage detection circuit | |
| JPS5854713U (en) | Constant voltage power supply circuit | |
| JPS59187239U (en) | switch circuit | |
| JPS58144968U (en) | Video signal amplification circuit with mute function | |
| JPS60155212U (en) | Power supply muting circuit | |
| JPS5917862U (en) | Voltage drop detection circuit | |
| JPS5961454U (en) | timer control circuit | |
| JPS5933523U (en) | Stabilized power supply circuit | |
| JPS5830917U (en) | Tape recorder muting circuit | |
| JPS60160034U (en) | latch circuit |