Electricity: electrical systems and devices – Control circuits for electromagnetic devices – Systems for magnetizing – demagnetizing – or controlling the...
Patent
1995-07-31
1997-06-24
Gaffin, Jeffrey A.
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
Systems for magnetizing, demagnetizing, or controlling the...
361249, 361263, H01H 4728
Patent
active
056422539
ABSTRACT:
The multi-channel ignition coil driver module of the present invention includes a control integrated circuit and multiple high current load driver integrated circuits housed within a common package. The control integrated circuit is formed of a semiconductor material manufactured in accordance with a standard low-voltage integrated circuit processing technology and is responsive to multiple control signal inputs to provide a corresponding multiple number of low voltage drive signals. Each of the high current load driver integrated circuits are formed of a semiconductor material manufactured in accordance with a high-voltage integrated circuit processing technology and are each responsive to a different one of the low voltage drive signals to energize a different one of a multiple number of high current loads. A current limit function is further provided in each of the multiple channels for limiting the corresponding load current to a predetermined level.
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Delco Electronics Corporation
Funke Jimmy L.
Gaffin Jeffrey A.
Sherry Michael
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