Multi-phase driving circuit with phase adjusting function

Details Multi-phase driving circuit with phase adjusting function Multi-phase driving circuit with phase adjusting function

2009-04-02

2011-12-13

Vu, Bao Q (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S284000, C323S285000, C323S286000

Reexamination Certificate

active

08076918

ABSTRACT:
A multi-phase driving circuit includes a single-phase pulse-width modulation (PWM) controller, a number of drivers, and a number of switch circuits connected to the number of drivers correspondingly. The single-phase PWM controller is configured for providing a single-phase PWM signal. Each of the number of drivers receives the single-phase PWM signal and adjusts a phase of the single-phase PWM signal to output an adjusted PWM signal. Each of the number of drivers also outputs a driving signal. Each of the number of switch circuits receives the adjusted PWM signal and the driving signal from a driver. Each of the number of switch circuits generates a driving voltage controlled by the driving signal and adjusts a phase of the driving voltage controlled by the adjusted PWM signal and then outputs the adjusted driving voltage, so as to make the number of switch circuits output a multi-phase driving voltage to a load.

REFERENCES:
patent: 7215102 (2007-05-01), Harris et al.
patent: 2005/0073288 (2005-04-01), Harris
patent: 2006/0122953 (2006-06-01), Huang et al.
patent: 2009/0015305 (2009-01-01), Hwang et al.
patent: 2009/0153114 (2009-06-01), Huang

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