Current control interface arrangement

Details Current control interface arrangement Current control interface arrangement

1997-12-10

1999-09-14

Sheikh, Ayaz R.

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus access regulation

361 58, 361 9, G06F 1300

Patent

active

059516607

ABSTRACT:
A current control interface arrangement includes a card circuit and a connector means. The connector means is adapted to generate, from the supply voltage terminals, an enable signal which is directly correlated to the moment of insertion or extraction of the load from the power supply. The card circuit includes an active device to be coupled between a power supply terminal and a load, an enable controlled switch for delivering the correct voltage to the control terminal of the active device for turning on, respectively turning off this device and a time constant means for controlling the rate at which the active device is further rendered conductive. A very simple power supply sequencing apparatus including the current control interface arrangement allows for coupling a plurality of supply voltages to a card in descending order starting from the highest supply voltage to the lowest supply voltage.

REFERENCES:
patent: 4245270 (1981-01-01), Busby
patent: 5077675 (1991-12-01), Tam
patent: 5283707 (1994-02-01), Conners et al.

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