Circuit configuration for current limiting in a protection syste

Details Circuit configuration for current limiting in a protection syste Circuit configuration for current limiting in a protection syste

1999-03-19

2000-09-05

Paladini, Albert W.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

307 91, 180271, 2807281, 323284, 701 45, B60L 100

Patent

active

06114777&

ABSTRACT:
A circuit for current limiting in a protection system, in particular for the firing of the firing pellet of an airbag system. The circuit has a switched-mode regulator connected to a low-pass filter that cooperate to limit the average and the peak value of the current flowing through the firing pellet. The switched mode regulator has switches that are switched on when the current flowing through the firing pellet falls below a reference value.

REFERENCES:
patent: 4253055 (1981-02-01), Gatten
patent: 5155376 (1992-10-01), Okano
patent: 5666065 (1997-09-01), Ravas et al.
patent: 5670829 (1997-09-01), Sussak
patent: 5701038 (1997-12-01), Kincaid
patent: 5734317 (1998-03-01), Bennett et al.
International Publication No. WO 90/02674 (Schumacher et al.), dated Mar. 22, 1990.

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