Digital PWM controller

Details Digital PWM controller Digital PWM controller

2007-07-10

2011-11-29

Berhane, Adolf (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S284000, C341S142000, C341S152000

Reexamination Certificate

active

08067927

ABSTRACT:
A control circuit for a multi-phase converter including an analog front-end circuit for receiving and processing an output voltage and current of the converter circuits and an average output current; a digital circuit for producing an output voltage reference for setting a desired output voltage of the converter; and an error circuit for comparing the output voltage reference and a parameter related to said output voltage and current for generating control signals for controlling the converter circuits, said error circuit including an Analog to Digital Converter circuit, further comprising a digital PWM generation circuit controlled by said Analog to Digital converter circuit for generating digital control signals for controlling the converter circuits.

REFERENCES:
patent: 6670794 (2003-12-01), Wang et al.
patent: 6850046 (2005-02-01), Chapuis
patent: 7479772 (2009-01-01), Zane et al.
patent: 2003/0006650 (2003-01-01), Tang et al.
patent: 2004/0046535 (2004-03-01), Duffy et al.
patent: 2007/0013350 (2007-01-01), Tang et al.
patent: 2007/0085720 (2007-04-01), Fosler
patent: 2007/0200538 (2007-08-01), Tang et al.

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