JPS5866373U - load drive circuit - Google Patents

load drive circuit

Info

Publication number
JPS5866373U
JPS5866373U JP16229281U JP16229281U JPS5866373U JP S5866373 U JPS5866373 U JP S5866373U JP 16229281 U JP16229281 U JP 16229281U JP 16229281 U JP16229281 U JP 16229281U JP S5866373 U JPS5866373 U JP S5866373U
Authority
JP
Japan
Prior art keywords
load
drive circuit
load drive
power transistors
power
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
Application number
JP16229281U
Other languages
Japanese (ja)
Other versions
JPH0210468Y2 (en
Inventor
大江　秀美
Original Assignee
日本電気ホームエレクトロニクス株式会社
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 日本電気ホームエレクトロニクス株式会社 filed Critical 日本電気ホームエレクトロニクス株式会社
Priority to JP16229281U priority Critical patent/JPS5866373U/en
Publication of JPS5866373U publication Critical patent/JPS5866373U/en
Application granted granted Critical
Publication of JPH0210468Y2 publication Critical patent/JPH0210468Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Amplifiers (AREA)
  • Tests Of Electronic Circuits (AREA)
  • Feedback Control In General (AREA)
  • Control Of Velocity Or Acceleration (AREA)
  • Continuous-Control Power Sources That Use Transistors (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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案による負荷駆動回路の一実施例を示す回
路図、第２図ａ　−ｆは第１図に示す回路の各部動作波
形図である。 Ｑ□〜Ｑ、・・・トランジスタ、Ｍ・・・マイクロコン
ピュータ、ＩＮ、〜■Ｎ３・・・インバータ、ＺＬ川負
負荷ＺＤ・・・ツェナーダイオード、Ｄ□、Ｄ２・・・
ダイオード、Ｒ１−Ｒ９・・・抵抗。FIG. 1 is a circuit diagram showing an embodiment of a load driving circuit according to the present invention, and FIGS. 2a to 2f are operational waveform diagrams of each part of the circuit shown in FIG. 1. Q□～Q,...transistor, M...microcomputer, IN, ~■N3...inverter, ZL river negative load ZD...zener diode, D□, D2...
Diode, R1-R9...Resistance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 負荷駆動用の電流通路に直列接続された２個のパワート
ランジスタと、前記２個のパワートランジスタの直列体
に対して並列接続された高抵抗直のプルアップ抵抗と、
前記各パワートランジスタをその組合せ条件を変えなが
ら駆動するとともに前記パワートランジスタと負荷の接
続点電位の変化を取り込むことにより、前記パワートラ
ンジスタに対する駆動信号との関係に於いて診断するマ
イクロコンピュータとを備えた負荷駆動回路。two power transistors connected in series to a current path for driving a load; a high resistance direct pull-up resistor connected in parallel to the series body of the two power transistors;
a microcomputer that drives each of the power transistors while changing their combination conditions and diagnoses the relationship with the drive signal for the power transistor by capturing changes in the potential at the connection point between the power transistor and the load. Load drive circuit.
JP16229281U 1981-10-30 1981-10-30 load drive circuit Granted JPS5866373U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16229281U JPS5866373U (en) 1981-10-30 1981-10-30 load drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16229281U JPS5866373U (en) 1981-10-30 1981-10-30 load drive circuit

Publications (2)

Publication Number Publication Date
JPS5866373U true JPS5866373U (en) 1983-05-06
JPH0210468Y2 JPH0210468Y2 (en) 1990-03-15

Family

ID=29954612

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16229281U Granted JPS5866373U (en) 1981-10-30 1981-10-30 load drive circuit

Country Status (1)

Country Link
JP (1) JPS5866373U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5286742A (en) * 1975-11-11 1977-07-19 Pitney Bowes Inc Error detecting circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5286742A (en) * 1975-11-11 1977-07-19 Pitney Bowes Inc Error detecting circuit

Also Published As

Publication number Publication date
JPH0210468Y2 (en) 1990-03-15

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