Electricity: electrical systems and devices – Safety and protection of systems and devices – Transient responsive
Patent
1999-03-08
2000-12-12
Leja, Ronald W.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Transient responsive
361 18, H02H 322
Patent
active
061606944
ABSTRACT:
An electronic circuit with suppression of high-voltage transients on the power supply line includes first and second power transistors series-connected between first and second power supplies, and first and second driving circuits for respective first and second power transistors. The first driving circuit includes a first diode and a first Zener diode, and the second driving circuit includes a second diode and a second Zener diode. Anodes of the first diode and the first Zener diode are connected to the cathode of the second Zener diode. A cathode of the first Zener diode is connected to the first power supply. A cathode of the first diode is connected to a gate of the first power transistor. Anodes of the second diode and the second Zener diode are connected together. A cathode of the second diode is connected to a gate of the second power transistor.
REFERENCES:
patent: 5764088 (1998-06-01), Lavieville et al.
patent: 5786685 (1998-07-01), Lange et al.
Crespi Angelo
Poletto Vanni
Galanthay Theodore E.
Leja Ronald W.
STMicroelectronics S.r.l.
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