Method and system for battery protection

A battery pack 50 has battery cells 80, a switch 180, which may be a FET, for interrupting the discharge current from the battery cells, and a control circuit 140. The switch may be used to interrupt discharge of the battery cells when the battery is in an abnormal operating state based on an indica...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MARK ALAN KUBALE, TODD W JOHNSON, JAY J ROSENBECKER, DAVID A HEMPE, DENNIS J GRZYBOWSKI, JEFFREY M ZEILER, KARL F SCHEUCHER, KEVIN L. GLASGOW, GARY D MEYER
Format:	Patent
Sprache:	eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	A battery pack 50 has battery cells 80, a switch 180, which may be a FET, for interrupting the discharge current from the battery cells, and a control circuit 140. The switch may be used to interrupt discharge of the battery cells when the battery is in an abnormal operating state based on an indicated temperature condition of a thermistor or a charge state of a fuel gauge.