Interleaved-PWM power module system and method with...

Details Interleaved-PWM power module system and method with... Interleaved-PWM power module system and method with...

2009-11-06

2011-12-20

Laxton, Gary L (Department: 2838)

Electricity: power supply or regulation systems

In shunt with source or load

Using a three or more terminal semiconductive device

C363S065000, C323S272000, C323S283000

Reexamination Certificate

active

08080981

ABSTRACT:
An interleaved-PWM power module system and method for operating the same are disclosed. The power system includes at least two power modules, each of which has a specific ID number. The power module with an extreme value of the specific ID number is set as a master power module and the remaining power modules are set as slave power modules. The master power module sends the sync signal to all of the slave power modules. Each of the slave power modules performs a phase-locking operation with reference to a specific phase offset to generate a frequency switching signal, where the frequency switching signal is synchronized with the sum of the sync signal and the phase offset for each slave power module. The power module outputs the frequency switching signal for PWM signal generation.

REFERENCES:
patent: 7653757 (2010-01-01), Fernald et al.
patent: 2004/0123167 (2004-06-01), Chapuis
patent: 2007/0075691 (2007-04-01), Burstein et al.
patent: 2007/0124612 (2007-05-01), Chapuis et al.
patent: 2009/0257257 (2009-10-01), Adragna et al.

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