Multi-input single-output power converter and method thereof

Details Multi-input single-output power converter and method thereof Multi-input single-output power converter and method thereof

2005-10-13

2008-11-04

Deberadinis, Robert L. (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Load current control

Reexamination Certificate

active

07446431

ABSTRACT:
A multi-input single-output power converter comprises several switching regulators coupled to a common output for converting separate supply voltages to an output voltage in compliance with respective modulation signals. The output voltage is compared with a first reference signal to generate an error signal, the currents of the switching regulators are sensed to generate respective sense signals, and the modulation signal of one switching regulator is determined based on the sense signal of the switching regulator, the average sense signal of all the switching regulators, a second reference signal and the error signal. Particularly, the difference between the sense signal and average sense signal is used to adjust the level of the second reference signal for the error signal to compare to determine the modulation signal.

REFERENCES:
patent: 4618779 (1986-10-01), Wiscombe
patent: 6433527 (2002-08-01), Izadinia et al.
patent: 7268527 (2007-09-01), Horner

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