Interface circuit for boosting control signals

Details Interface circuit for boosting control signals Interface circuit for boosting control signals

1996-10-29

1999-09-21

Santamauro, Jon

Electronic digital logic circuitry

Interface

Current driving

326 96, 327536, H03K 190185

Patent

active

059558954

ABSTRACT:
An interface circuit is disposed between a generator of control signals and a plurality of electronic switches in order to produce boosted voltage signals corresponding to the control signals for activating the electronic switches. To avoid the use of a capacitor with a high capacitance and thus to reduce an area of the integrated circuit, the interface circuit includes a generator of activation signals and a plurality of voltage multipliers each having an input connected to an output of the control signal generator, an output connected to at least one terminal for activating an electronic switch and two control terminals connected to an activation signal generator. Each voltage multiplier includes MOS transistors operatively coupled in series between the input and the output. The MOS transistors operate in response to the activation signals to produce a boosted voltage on the capacitor.

REFERENCES:
patent: 3824447 (1974-07-01), Kuwabara
patent: 3925686 (1975-12-01), Nomiya
patent: 4035662 (1977-07-01), Kuo
patent: 5066870 (1991-11-01), Kobatake
patent: 5291446 (1994-03-01), Van Buskirk et al.
patent: 5394365 (1995-02-01), Tsukikawa
Electronic Engineering, vol. 61, No. 745, Jan. 1989 London GB, Taylor, et al. "The IR8200 Monolithic DMOS H-Bridge Power Control IC".

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