Sequencing power supplies on daughter boards

Details Sequencing power supplies on daughter boards Sequencing power supplies on daughter boards

2006-07-18

2006-07-18

Sircus, Brian (Department: 2836)

Electrical computers and digital processing systems: support

Computer power control

Power sequencing

C307S031000

Reexamination Certificate

active

07080273

ABSTRACT:
Power supplies are enabled and disabled in sequence by a controller in dependence upon output voltages of the power supplies monitored by the controller. The controller allows proper sequencing of the power supplies when one or more of them is provided on a daughter board, when this is not connected to a mother board on which the controller is provided, by storing information as to any power supply provided on the daughter board, detecting when the daughter board is not connected to the mother board, and in that case enabling the power supplies in sequence independently of any monitored output voltage of such a power supply on the daughter board.

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“Modular Solid-State Power Sequencing”; IBM Technical Disclosure Bulletin; XP-002292120; vol. 15; No. 12; May 1973; pp. 3697-3699.

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