Integrated circuit for driving inductive loads

Details Integrated circuit for driving inductive loads Integrated circuit for driving inductive loads

1988-03-25

1990-02-27

LaRoche, Eugene R.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3072962, 3073031, H01L 2704, H03K 301, H03K 326, H03K 3335

Patent

active

049050672

ABSTRACT:
An integrated circuit for driving inductive loads comprises at least one substrate and a plurality of separate epitaxial wells, and has at least one output terminal for connection to an inductive load and a reference terminal for connection to a reference voltage. To reliably isolate the different epitaxial wells in each operating state, the circuit comprises diodes interposed between the substrate on one side and the output and reference terminals on the other to set the substrate to the reference potential when the potential on the output terminal is greater than the reference potential and to set the substrate to the output potential when the latter becomes smaller than the reference potential.

REFERENCES:
patent: 3649887 (1972-03-01), Keller et al.
patent: 3940785 (1976-02-01), Genesi

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