Integrated full bridge circuit with four transistors

Details Integrated full bridge circuit with four transistors Integrated full bridge circuit with four transistors

1999-12-20

2000-12-05

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Utilizing three or more electrode solid-state device

327110, 327588, H03K 1756

Patent

active

06157239&

ABSTRACT:
An integrated full bridge circuit includes four transistors divided into two series-connected pairs of transistors each forming a half bridge circuit. Resistor elements each connect a respective one of the pairs of transistors to a reference potential. Other resistor elements are each connected to a respective one of two separate supply terminals inside a housing. Each of the other resistor elements is connected to one of the transistors of a respective one of the pairs of transistors at a junction. Driver transistors each have a load path with two connections and a type complementary to the transistors connected to the other resistor elements. One of the connections is connected upstream of the control terminal of a respective one of the transistors connected to the other resistor elements. The other of the connections in each of the half bridge circuits is connected to the junction in the other of the half bridge circuits. The advantage is power loss reduction.

REFERENCES:
patent: 4639794 (1987-01-01), Ferrir
patent: 4651269 (1987-03-01), Matsumura
patent: 4989114 (1991-01-01), Storti et al.
patent: 5543747 (1996-08-01), Hayakawa et al.
patent: 5642247 (1997-06-01), Giordano
patent: 5757215 (1998-05-01), Schuelke et al.
patent: 5990710 (1999-11-01), Ngo et al.

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