Solenoid drive apparatus and drive method

A solenoid ( 30 ) has one end connected to the ground G and the other end connected to an N-MOS transistor ( 33 ) which applies current from a battery ( 31 ) to the solenoid ( 30 ). On the other hand, regenerative current generated when the N-MOS transistor turns off flows from a diode ( 34 ) whose...

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Bibliographische Detailangaben
1. Verfasser:	SATOH KIYOKATSU
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS BASIC ELECTRIC ELEMENTS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES GENERATION INDUCTANCES MAGNETS RELAYS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SELECTORS TRANSFORMERS
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Beschreibung
Zusammenfassung:	A solenoid ( 30 ) has one end connected to the ground G and the other end connected to an N-MOS transistor ( 33 ) which applies current from a battery ( 31 ) to the solenoid ( 30 ). On the other hand, regenerative current generated when the N-MOS transistor turns off flows from a diode ( 34 ) whose anode is connected to the ground, via a resistor ( 32 ) to the solenoid ( 30 ). Accordingly, without connecting the anode of the diode ( 34 ) to the solenoid ( 30 ) using a lead line, the solenoid ( 30 ) can be driven by current. Moreover, since the current flowing from the battery ( 31 ) to the solenoid ( 30 ) does not flow to the resistor ( 32 ), heating is reduced and a solenoid drive apparatus can be made in an IC.