JPS60181927U - Transistor switching circuit with protection function - Google Patents
Transistor switching circuit with protection functionInfo
- Publication number
- JPS60181927U JPS60181927U JP7092284U JP7092284U JPS60181927U JP S60181927 U JPS60181927 U JP S60181927U JP 7092284 U JP7092284 U JP 7092284U JP 7092284 U JP7092284 U JP 7092284U JP S60181927 U JPS60181927 U JP S60181927U
- Authority
- JP
- Japan
- Prior art keywords
- protection function
- transistor
- switching circuit
- transistor switching
- switching
- 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
- Protection Of Static Devices (AREA)
- Electronic Switches (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
第１図は従来の保護機能付トランジスタスイッチング回
路の一例を示す回路図、第２図は本考案に係る保護機能
付トランジスタスイッチング回路の一実施例を示す回路
図、第３図は本考案の他の実施例を示す回路図である。
１・・・・・・スイッチングトランジスタ、２・・・・
・・制御回路、３・・・・・・過電流検出用抵抗、４・
・・・・・過電流保護制御用トランジスタ、５，６．８
・・・・・・入力抵抗、７・・・・・・過電流検出保護
制御用トランジスタ、Ｔｉｎ・・・・・・入力端子、Ｔ
ｏｕｔ・・・・・・出力端子。Fig. 1 is a circuit diagram showing an example of a conventional transistor switching circuit with a protection function, Fig. 2 is a circuit diagram showing an example of a transistor switching circuit with a protection function according to the present invention, and Fig. 3 is a circuit diagram showing an example of a transistor switching circuit with a protection function according to the present invention. FIG. 2 is a circuit diagram showing an embodiment of the present invention. 1...Switching transistor, 2...
...Control circuit, 3...Resistance for overcurrent detection, 4.
...Overcurrent protection control transistor, 5, 6.8
...Input resistance, 7...Overcurrent detection protection control transistor, Tin...Input terminal, T
out...Output terminal.
Claims (1)
ングトランジスタを具えたトランジスタスイッチング回
路において、前記スイッチングトランジスタのコレクタ
、エミッタ間の電圧を監視することにより該スイッチン
グトランジスタの過電流を検出する過電流検出回路と、
該過電流検出回路の検出出力に応答して該スイッチング
トランジスタをオフにする制御回路とを備えたことを特
徴とする保護機能付トランジスタスイッチング回路。In a transistor switching circuit including a switching transistor connected in series between an input terminal and an output terminal, an overcurrent in the switching transistor is detected by monitoring a voltage between the collector and emitter of the switching transistor. a detection circuit;
A transistor switching circuit with a protection function, comprising: a control circuit that turns off the switching transistor in response to a detection output of the overcurrent detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7092284U JPS60181927U (en) | 1984-05-15 | 1984-05-15 | Transistor switching circuit with protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7092284U JPS60181927U (en) | 1984-05-15 | 1984-05-15 | Transistor switching circuit with protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60181927U true JPS60181927U (en) | 1985-12-03 |
Family
ID=30607947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7092284U Pending JPS60181927U (en) | 1984-05-15 | 1984-05-15 | Transistor switching circuit with protection function |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60181927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6356829U (en) * | 1986-09-30 | 1988-04-15 |
-
1984
- 1984-05-15 JP JP7092284U patent/JPS60181927U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6356829U (en) * | 1986-09-30 | 1988-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS60181927U (en) | Transistor switching circuit with protection function | |
| JPS6051737U (en) | power supply | |
| JPS5950115U (en) | Protection circuit for switching type amplifier | |
| JPS5877930U (en) | analog switch | |
| JPS5914426U (en) | input circuit | |
| JPS591239U (en) | solid state relay | |
| JPS5923290U (en) | Chopper control circuit with overcurrent protection circuit | |
| JPS5836413U (en) | short circuit protection circuit | |
| JPS5839617U (en) | Stabilized power supply circuit | |
| JPS58155012U (en) | Output circuit | |
| JPS582023U (en) | switching regulator | |
| JPS58103594U (en) | Inverter device | |
| JPS59149062U (en) | voltage detection circuit | |
| JPS60179881U (en) | sensor circuit | |
| JPS5862284U (en) | Noise detection circuit for wire-wound variable resistor | |
| JPS6079835U (en) | Electronic switch overcurrent detection circuit | |
| JPS60106136U (en) | temperature detection device | |
| JPS59119624U (en) | voltage limit circuit | |
| JPS58111525U (en) | Filter characteristic switching circuit | |
| JPS58191571U (en) | detector | |
| JPS5826236U (en) | timer circuit | |
| JPS601042U (en) | solid state relay | |
| JPS5854714U (en) | constant voltage circuit | |
| JPS60167415U (en) | feedback amplifier circuit | |
| JPS6122186U (en) | Switching regulator protection circuit |