Multiple output level power supply with overpower detection circ

Details Multiple output level power supply with overpower detection circ Multiple output level power supply with overpower detection circ

1996-04-24

1998-03-03

Mullen, Thomas

Communications: electrical

Condition responsive indicating system

Specific condition

340636, 307 32, 364483, G08B 2100

Patent

active

057240264

ABSTRACT:
A multiple output level power supply is provided having an overpower detection circuit. The power supply provides multiple DC voltage output levels. A differential amplifier coupled to each DC voltage output level of the power supply is then utilized to generate a signal which is representative of the power output at each of the multiple voltage levels. The output of each differential amplifier is then coupled to a summer which generates a signal representative of the total power output from the multiple outputs of the power supply. A comparison of the total power output signal and a reference signal selected to be representative of the maximum desired power output may then be utilized to efficiently provide an indication of an overpower condition within the power supply.

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patent: 5181153 (1993-01-01), Nishimura
patent: 5332993 (1994-07-01), Ninomiya
patent: 5437040 (1995-07-01), Campbell et al.

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