| 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 |
