Power circuit

Details Power circuit Power circuit

2011-01-18

2011-01-18

Vu, Bao Q (Department: 2838)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Load current control

C307S060000

Reexamination Certificate

active

07872372

ABSTRACT:
A device for delivering a desired power to a load comprises a voltage detection module, a comparator module, a power regulation module, and a current source. The voltage detection module generates a voltage signal based on a voltage across the load. The comparator module compares a first value based on the voltage signal to a power reference signal. The power reference signal is based on the desired power. The power regulation module generates a digital code based on the comparison. The current source provides a current to the load. The current is based on a predetermined constant current and a second value. The second value is based on the digital code.

REFERENCES:
patent: 3704381 (1972-11-01), Nercessian
patent: 5055767 (1991-10-01), Nelson
patent: 7446683 (2008-11-01), Perner

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