Integrated half-bridge timing control circuit

Details Integrated half-bridge timing control circuit Integrated half-bridge timing control circuit

1996-10-29

1998-02-17

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Utilizing three or more electrode solid-state device

327108, 327382, 327387, H03K 300

Patent

active

057195218

ABSTRACT:
An integrated half-bridge timing control circuit for driving a half-bridge output stage has high-side and low-side power transistors coupled together at a high-voltage output terminal, and a bistable circuit for generating a high-side timing control waveform. The bistable circuit is driven by two delay circuits, each of which is decoupled from the high-side voltage by an associated interface circuit. The interface circuits are driven by input voltages which are delayed with respect to each other and which are referenced to the low side (ground). In this manner, an integrated half-bridge timing control circuit is obtained which is capable of operating at high frequencies with little power loss, which can be easily integrated, and which is both accurate and easily adjustable in operation.

REFERENCES:
patent: 4942309 (1990-07-01), Chieli
patent: 5134322 (1992-07-01), Bourgeois et al.
patent: 5502412 (1996-03-01), Choi et al.
patent: 5543740 (1996-08-01), Wong
patent: 5552731 (1996-09-01), Diazzi et al.
patent: 5572156 (1996-11-01), Diazzi et al.
patent: 5594379 (1997-01-01), Kiraly

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