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Inventor:
Balogh; Laszlo
Address:
Merrimack, NH
No. of patents:
8
Patents:












Patent Number Title Of Patent Date Issued
8279645 Synchronizing frequency and phase of multiple variable frequency power converters October 2, 2012
In an embodiment, a power converter system includes a plurality of variable frequency power converters and a plurality of synchronization circuits. Each variable frequency power converter has a switching frequency. Each synchronization circuit is associated with a respective one of t
8129959 Start-up circuitry and method for power converter March 6, 2012
In one embodiment, circuitry is provided for startup of a power converter. The circuitry includes a bias capacitor operable to be charged for providing energy to a controller of the power converter. A divider circuit is coupled to a voltage source. Current flows through the divider c
7933132 Synchronizing frequency and phase of multiple variable frequency power converters April 26, 2011
In an embodiment, a power converter system includes a plurality of variable frequency power converters and a plurality of synchronization circuits. Each variable frequency power converter has a switching frequency. Each synchronization circuit is associated with a respective one of t
7880454 Methods and systems for control of switches in power regulators/power amplifiers February 1, 2011
Systems and methods control timing of switches in power regulators and power amplifiers. The systems and methods monitor a switch node voltage and obtain rising and falling edges of signals obtained from the monitoring. The systems and methods utilize the rising and falling edges of
7723972 Reducing soft start delay and providing soft recovery in power system controllers May 25, 2010
In one embodiment, a method is provided for reducing soft-start delay and ensuring soft recovery from a short circuit or brown out condition in a power converter. The method includes: providing a feedback signal indicative of the output voltage of the power system at a first input te
7719243 Soft-start system and method for power converter May 18, 2010
In one embodiment, a method for soft-start in a power converter includes the following: providing a feedback signal indicative of the output voltage of the power system at a first input terminal of an error amplifier in a negative feedback loop of the power converter; providing a ref
6246592 Unique power supply architecture with cascaded converters for large input-to-output step-down ra June 12, 2001
A power supply having a transformer-coupled power converter cascaded with a buck power converter. The transformer-coupled power converter operates in a free-running mode at a nearly 100% maximum duty cycle to convert an input voltage to an intermediate voltage. The buck power converter
6144245 Adaptive leading edge blanking circuit to eliminate spike on power switching transistor current November 7, 2000
Leading-edge blanking circuits blank the leading edge of a current sense signal generated by sensing circuitry sensing the current through a switching field-effect transistor. A current sensor is employed to sense the magnitude of gate current being provided to the gate of the switching










 
 
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