Semiconductor device, battery monitoring device, and voltage detection method of battery cell

A semiconductor device including plural first switches, each provided so as to correspond to one of plural battery cells connected in series, each first switch including one end connected to a corresponding battery cell and another end connected to one electrode of a corresponding charge storage sec...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Ohtake, Hisao, Sugimura, Naoaki
Format:	Patent
Sprache:	eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS SYSTEMS FOR STORING ELECTRIC ENERGY TESTING
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Beschreibung
Zusammenfassung:	A semiconductor device including plural first switches, each provided so as to correspond to one of plural battery cells connected in series, each first switch including one end connected to a corresponding battery cell and another end connected to one electrode of a corresponding charge storage section of plural charge storage sections, each of the charge storage sections being provided so as to correspond to one of the plural battery cells, and another electrode of each charge storage section being connected to a fixed potential; plural second switches, each provided so as to correspond to one of the plural first switches, each second switch including one end connected to the other end of the corresponding first switch; and processing section connected to each other end of the plural second switches, that processes voltages supplied via the second switches.