JPS6482503A - Inductive load driving device - Google Patents
Inductive load driving deviceInfo
- Publication number
- JPS6482503A JPS6482503A JP23895287A JP23895287A JPS6482503A JP S6482503 A JPS6482503 A JP S6482503A JP 23895287 A JP23895287 A JP 23895287A JP 23895287 A JP23895287 A JP 23895287A JP S6482503 A JPS6482503 A JP S6482503A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- inductive load
- solenoid
- transistor
- time
- 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
- Electronic Switches (AREA)
Abstract
PURPOSE:To prevent the temperature rise of inductive load, and to reduce power consumption by applying first voltage when the inductive load is driven and second voltage lower than first voltage to the inductive load after a fixed time passes after drive. CONSTITUTION:When a power switch 2 is turned ON, the base currents of a transistor 7 fluctuate as shown in the graph, and the transistor 7 is brought to a conductive state. Voltage (first voltage) of VCC-VCE is applied to a solenoid 1 at that time, and the solenoid 1 conducts attraction operation. When both-end voltage of a resistor 6 drops with the rise of capacitor voltage and the time t1-t0 determined by a capacitor 5, resistors 6, 7 and a transistor hPE passes, the transistor 7 is turned OFF, and voltage (second voltage) decided by RL and R3 is applied to the solenoid 1 at that time. The second voltage is lower than an initial value VCC-VCE, and the solenoid 1 is left as it is attracted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23895287A JPS6482503A (en) | 1987-09-25 | 1987-09-25 | Inductive load driving device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23895287A JPS6482503A (en) | 1987-09-25 | 1987-09-25 | Inductive load driving device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6482503A true JPS6482503A (en) | 1989-03-28 |
Family
ID=17037730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23895287A Pending JPS6482503A (en) | 1987-09-25 | 1987-09-25 | Inductive load driving device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6482503A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002299930A (en) * | 2001-03-29 | 2002-10-11 | Maspro Denkoh Corp | Unit for mounting antenna |
DE102020117349A1 (en) | 2020-07-01 | 2022-01-05 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Control for an electromagnetic holding brake |
-
1987
- 1987-09-25 JP JP23895287A patent/JPS6482503A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002299930A (en) * | 2001-03-29 | 2002-10-11 | Maspro Denkoh Corp | Unit for mounting antenna |
DE102020117349A1 (en) | 2020-07-01 | 2022-01-05 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Control for an electromagnetic holding brake |
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