Power-mode control circuitry for power converters

Details Power-mode control circuitry for power converters Power-mode control circuitry for power converters

2006-08-08

2006-08-08

Easthom, Karl (Department: 2838)

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

C363S097000

Reexamination Certificate

active

07088598

ABSTRACT:
A power-mode control circuitry is presented for power converters to precisely control a maximum of the output power. The power-mode control circuitry includes a filter to convert a switching current into an average-current signal. A voltage divider attenuates an input voltage of the power converter to an average-voltage signal. A multiplier produces a power signal by multiplying the average-current signal with the average-voltage signal. An error amplifier generates a programming signal by comparing the power signal with a power-level threshold. The programming signal further controls the switching signal for achieving power-mode control.

REFERENCES:
patent: 5691889 (1997-11-01), Bazinet et al.

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