Drive circuit

Details Drive circuit Drive circuit

2006-05-01

2010-12-28

DeBeradinis, Robert L. (Department: 2836)

Electrical transmission or interconnection systems

Nonlinear reactor systems

Driver circuits

Reexamination Certificate

active

07859138

ABSTRACT:
A drive circuit for a switching circuit has a high-side drive circuit to turn on/off, according to a control signal, a switching element QH arranged on a high side of a DC power source Vin and a low-side drive circuit to turn on/off alternately with the switching element QH according to the control signal a switching element QL arranged on a low side of the DC power source and connected in series with the switching element QH. Ends of an auxiliary power source Vcc1are connected in series with a switch element Qn1, a capacitor C1, and a switch element Qn2. Both ends of the capacitor C1are connected in series with a switch element Qp1, a capacitor C2, and a switch element Qp2. A control circuit alternately turns on/off the switch elements Qn1and Qn2and the switch elements Qp1and Qp2. The capacitor C2provides the high-side drive circuit with source power.

REFERENCES:
patent: 4316243 (1982-02-01), Archer
patent: 61 161967 (1986-07-01), None
patent: 2 49388 (1990-04-01), None
patent: 5 41397 (1993-06-01), None
patent: 10 285949 (1998-10-01), None

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