Drive circuit of switching circuit

Provided is a switch drive circuit that drives a plurality of switches mutually connected in parallel including a charge unit allowing charge current to flow to the gate of the switch; an off switch connecting between the gate of the switch and the ground; a detection unit detecting whether charge s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Araragi, Akifumi
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 ELECTRONIC CIRCUITRY CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROL OR REGULATION THEREOF CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PULSE TECHNIQUE
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Beschreibung
Zusammenfassung:	Provided is a switch drive circuit that drives a plurality of switches mutually connected in parallel including a charge unit allowing charge current to flow to the gate of the switch; an off switch connecting between the gate of the switch and the ground; a detection unit detecting whether charge state of the gate of the switch is in a predetermined state; and a changeover unit that changes a state of off switches when the charge units allow the charge current to flow to the gate. The changeover unit changes the state of the off switches to be ON when detection units do not detect the charge state of the gate being in the predetermined state, and to change the state of the off switches to be OFF when detection units detect the charge state of the gate being in the predetermined state.