POWER SUPPLY CIRCUIT

PROBLEM TO BE SOLVED: To allow a stable operation of a load circuit while charging a secondary battery.SOLUTION: A DC/DC converter (11) converts an input voltage (VIN) into a drive voltage (VDD). A charging control circuit (12) receives the drive voltage (VDD) to charge the secondary battery (20). A...

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Bibliographische Detailangaben
Hauptverfasser:	KONISHI SACHIYUKI, NAGATAKE YOHEI, TAKADA KAZUHISA
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To allow a stable operation of a load circuit while charging a secondary battery.SOLUTION: A DC/DC converter (11) converts an input voltage (VIN) into a drive voltage (VDD). A charging control circuit (12) receives the drive voltage (VDD) to charge the secondary battery (20). A switching circuit (13) selectively supplies the drive voltage (VDD) and the battery voltage (VBAT) of the secondary battery to a load circuit (30).