BATTERY SWITCH DRIVING CIRCUIT

A battery switch driving circuit according to an embodiment of the present invention comprises: a first battery input terminal and a second battery input terminal; a converter positioned between the first battery input terminal and the second battery input terminal; a first switch positioned between...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KIM, Ui Jong, CHAE, Hyung Jun
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A battery switch driving circuit according to an embodiment of the present invention comprises: a first battery input terminal and a second battery input terminal; a converter positioned between the first battery input terminal and the second battery input terminal; a first switch positioned between the second battery input terminal and the converter, so as to cut off a power input of the second battery input terminal when turned off; and a switch driving unit for turning on the first switch, wherein the switch driving unit comprises: a first capacitor which is charged or discharged according to on/off of a second switch operated by a PWM signal; and a second capacitor which is charged according to on/off of the second switch by a voltage charged in the first capacitor, so as to turn on the first switch.