Surge-resistant protection circuit for vehicle

Details Surge-resistant protection circuit for vehicle Surge-resistant protection circuit for vehicle

1993-09-08

1995-02-21

Sikes, William L.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

327545, 327564, 327565, H03L 500

Patent

active

053919483

ABSTRACT:
An integrated circuit chip has terminals comprising an input terminal, an output terminal to be connected to a load, a power supply terminal to be connected to the positive terminal of a power supply, and a ground terminal to be connected to ground potential (car body). A ground-side common line is associated with the internal circuitry of the integrated circuit chip, and a current-limiting resistor is connected between the ground-side common line and the ground terminal. A diode is connected in parallel with the resistor to limit a surge voltage. The diode is connected with its anode connected to the ground-side common line and its cathode connected to the ground terminal.

REFERENCES:
patent: 4161759 (1979-07-01), Stein
patent: 4855863 (1989-08-01), Yoshitake
Smart Powder Application Issues by Motorola Semiconductor Products, Inc. Tokyo, Japan (1988), p. 44.

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