Birch, Stewart, Kolasch & Birch, LLP
Driver circuit for controlling P-channel MOSFET, and control device comprising same
A driver circuit for controlling a P-channel MOSFET includes a first voltage divider connected to a source terminal of the P-channel MOSFET, a first sub-transistor including a first collector terminal, a first emitter terminal and a first base terminal, the first collector terminal is connected to the first voltage divider, a second sub-transistor including a second collector terminal, a second emitter terminal and a second base terminal, the second emitter terminal is connected to a gate terminal of the P-channel MOSFET, and the second base terminal is connected to a first connection node, a third sub-transistor including a third collector terminal, a third emitter terminal and a third base terminal, the third emitter terminal is connected to the second emitter terminal, and the third collector terminal is connected to a ground, and a first resistor connected between the second collector terminal and the second emitter terminal.
LG CHEM, LTD.
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Jun-Yeob
Kim