Switching logic driver with overcurrent protection

Details Switching logic driver with overcurrent protection Switching logic driver with overcurrent protection

1987-03-23

1988-11-08

Tolin, G. P.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

361 93, 363 56, H02H 3093

Patent

active

047837144

ABSTRACT:
A logic driver having control circuitry for receiving an input bistate data bit and providing power at an output at first and second predetermined voltage levels when an input bistate data bit is respectively of first and second states. Sensing circuitry is coupled to the control circuitry for detecting the level of current at the output and providing a corresponding current level indication. The driver further includes overcurrent circuitry, responsive to the current level indication, for generating an overcurrent command when the output current exceeds a predetermined level. The control circuitry is responsive to the overcurrent command for disabling the output of power at the corresponding predetermined voltage level at the output.

REFERENCES:
patent: 4453193 (1984-06-01), Huang et al.
patent: 4595966 (1986-06-01), Huber et al.
patent: 4628393 (1986-12-01), Gareis et al.
patent: 4651252 (1987-03-01), Babinski

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