Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Patent
1997-06-18
1999-07-27
Paladini, Albert W.
Electrical transmission or interconnection systems
Vehicle mounted systems
Automobile
307 101, 701 45, 180268, 180271, B60R 1602
Patent
active
059295350
ABSTRACT:
An ignition circuit output stage which is driven by one or several microprocessors. Up to now different modes of operation each required their own different ignition circuit output stage. The ignition circuit output stage according to the invention is programmable - that is, using one and the same output stage, different modes of operation can be selected such as, for example, the unregulated or output stage mode as well as the regulated and limited output current mode. The circuit essentially consists of a down converter which, when activated, will regulate and limit the discharge current. The down converter can be activated and deactivated by means of an appropriate signal. When the down converter is in its deactivated state, an unregulated discharge takes place; this is the output stage mode. With the programmable output stage it is possible to select the best mode of operation for the relevant application case--such as, for example, operation without inductance as well as energy supplied directly from the onboard battery--without different output stage ICs being required.
REFERENCES:
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Fendt Gunter
Hora Peter
Muller Norbert
Kunitz Norman N.
Paladini Albert W.
Spencer George H.
TEMIC Telefunken microelectronic GmbH
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