Three leaded protected power device having voltage input

Details Three leaded protected power device having voltage input Three leaded protected power device having voltage input

1993-04-05

1995-06-13

Hoff, Marc S.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

361 93, 361103, 361115, H03K 1756

Patent

active

054248973

ABSTRACT:
A voltage driven control die (20) for use with a power device (22) has been provided. The voltage driven control die includes an under voltage lock-out circuit (46) which inhibits drive to the power device until the input voltage exceeds a predetermined threshold voltage. Moreover, the control die includes a noise immunity enhancement circuit (56) for providing an excess reverse bias across an output SCR (58) for preventing false triggering of the output SCR. The control die also includes circuitry (40, 44) for detecting an over temperature or an over current condition within the power device.

REFERENCES:
patent: 5091664 (1992-02-01), Furuhata
patent: 5200879 (1993-04-01), Sasagawa

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