Integrated overload protective device

Details Integrated overload protective device Integrated overload protective device

1997-10-23

1999-10-19

Leja, Ronald W.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Circuit interruption by thermal sensing

H02H 504

Patent

active

059699272

ABSTRACT:
An overload protective device for integrated components that responds rapidly to transient local temperature increases to protect the respective component from overload or overheating. The protective device includes an ohmic measuring resistor made of metal, aluminum in particular, that is integrated into the component. Temperature increases and power loss in individual transistor cells can thus be detected reliably.

REFERENCES:
patent: 5039878 (1991-08-01), Armstrong et al.
patent: 5208611 (1993-05-01), Kappel et al.
patent: 5726481 (1998-03-01), Moody
patent: 5737170 (1998-04-01), Moyer
F. Zantis, "Schutz von Leistungshalbleitern bei der Ansteuerung externer Lasten", Elektor, Apr. 1993, pp. 41-48.

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