ES346283A1 - Improvements in or relating to electronic overload protection circuits - Google Patents

Improvements in or relating to electronic overload protection circuits

Info

Publication number
ES346283A1
ES346283A1 ES346283A ES346283A ES346283A1 ES 346283 A1 ES346283 A1 ES 346283A1 ES 346283 A ES346283 A ES 346283A ES 346283 A ES346283 A ES 346283A ES 346283 A1 ES346283 A1 ES 346283A1
Authority
ES
Spain
Prior art keywords
transistor
relating
overload protection
protection circuits
base
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.)
Expired
Application number
ES346283A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of ES346283A1 publication Critical patent/ES346283A1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
    • H03K17/0826—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in bipolar transistor switches

Landscapes

  • Electronic Switches (AREA)
  • Dc-Dc Converters (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Fuses (AREA)

Abstract

Excessive current through a transistor T is prevented by a Darlington pair transistor switch connected in shunt with the input from 1 and provided with collector-to -base feedback, the base electrode being connected to a tap on a potentiometer R1, R2 connected across the protected transistor so that the drive to the protected transistor is removed when the output is excessive. The feedback provides automatic resetting. In a known circuit also described a pulse at the base of an input shunting transistor effects resetting (Fig. 1, not shown).
ES346283A 1966-10-20 1967-10-20 Improvements in or relating to electronic overload protection circuits Expired ES346283A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0106597 1966-10-20

Publications (1)

Publication Number Publication Date
ES346283A1 true ES346283A1 (en) 1969-05-16

Family

ID=7527540

Family Applications (1)

Application Number Title Priority Date Filing Date
ES346283A Expired ES346283A1 (en) 1966-10-20 1967-10-20 Improvements in or relating to electronic overload protection circuits

Country Status (10)

Country Link
JP (1) JPS4715500B1 (en)
AT (1) AT301670B (en)
BE (1) BE705435A (en)
CH (1) CH471505A (en)
DE (1) DE1564745A1 (en)
ES (1) ES346283A1 (en)
FR (1) FR1551994A (en)
GB (1) GB1205575A (en)
NL (1) NL6714106A (en)
SE (1) SE348330B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3599618A (en) * 1970-05-28 1971-08-17 Motorola Inc Transistor ignition system with ballast compensation
JPS5012596U (en) * 1973-06-04 1975-02-08
JPS5432098U (en) * 1977-08-06 1979-03-02
JPS622722U (en) * 1985-06-24 1987-01-09
GB2182812B (en) * 1985-10-15 1989-09-27 Mk Electric Ltd Current supply apparatus
DE3627006A1 (en) * 1986-08-09 1988-02-18 Bosch Gmbh Robert CIRCUIT ARRANGEMENT FOR CONTROLLING AN ELECTRICAL CONSUMER
DE102011119065A1 (en) * 2011-11-22 2013-05-23 Minebea Co., Ltd. Electrical circuit, particularly output driver for microcontroller, has switching element, and emitter resistor arranged on emitter of output transistor, such that signal input is connected with base of output transistor by series resistor
GB2602132B (en) * 2020-12-18 2024-10-09 Murata Manufacturing Co Three output DC voltage supply with short circuit protection

Also Published As

Publication number Publication date
DE1564745A1 (en) 1969-12-11
BE705435A (en) 1968-04-22
NL6714106A (en) 1968-04-22
SE348330B (en) 1972-08-28
FR1551994A (en) 1969-01-03
CH471505A (en) 1969-04-15
JPS4715500B1 (en) 1972-05-09
AT301670B (en) 1972-09-11
GB1205575A (en) 1970-09-16

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