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| Number | Title | Issue Date |
| 8179705 | Apparatus and method of optimizing power system efficiency using a power loss model A power subsystem is actively optimized to improve total subsystem efficiency in a way that is responsive to changes in load requirements, power supply variations, and subsystem temperature variations. Detailed, multidimensional power loss models are developed for c... | 05/15/2012 |
| 8086874 | Method and system for controlling an array of point-of-load regulators and auxiliary devices A power control system comprises at least one POL regulator, at least one auxiliary device, a serial data bus operatively connecting the POL regulator and the auxiliary device, and a system controller adapted to exchange digital data with the POL regulator and auxil... | 12/27/2011 |
| 8031494 | Method and apparatus for providing an initial bias and enable signal for a power converter The invention relates to a switch-mode power converter including a bias circuit. A power converter power transformer includes a magnetic core. The switch-mode power converter power transformer also includes an initial bias primary winding and an initial bias seconda... | 10/04/2011 |
| 8029288 | Computer implemented systems and methods for enhancing renewable energy educational activities Systems and methods are provided for collecting, aggregating, and analyzing data associated with the performance of systems. Energy systems, specifically renewable energy generation systems, are used as examples. The aggregated data serve as the basis for a variety ... | 10/04/2011 |
| 7882372 | Method and system for controlling and monitoring an array of point-of-load regulators A power control system comprises a plurality of POL regulators, at least one serial data bus operatively connecting the plurality of POL regulators, and a system controller connected to the serial data bus and adapted to send and receive digital data to and from the... | 02/01/2011 |
| 7836322 | System for controlling an array of point-of-load regulators and auxiliary devices A power control system comprises at least one programmable voltage regulator, at least one non-programmable auxiliary voltage regulator, and a system controller operatively connected to the at least one programmable voltage regulator and to said at least one auxilia... | 11/16/2010 |
| 7834613 | Isolated current to voltage, voltage to voltage converter A current sensor is provided that employs a primary winding that carries the current to be measured, and a secondary winding that controls the flux inside the magnetic core, provides a sample of the primary current, and also helps to control the flux at small primar... | 11/16/2010 |
| 7782029 | Method and system for controlling and monitoring an array of point-of-load regulators A power control system comprises a plurality of POL regulators, at least one serial data bus operatively connecting the plurality of POL regulators, and a system controller connected to the serial data bus and adapted to send and receive digital data to and from the... | 08/24/2010 |
| 7743266 | Method and system for optimizing filter compensation coefficients for a digital power control system A method and system is provided for optimizing the digital filter compensation coefficients of a digitally controlled switched mode power supply within a distributed power system. A power control system comprises at least one point-of-load (POL) regulator having a p... | 06/22/2010 |
| 7737961 | Method and system for controlling and monitoring an array of point-of-load regulators A power control system comprises a plurality of POL regulators, at least one serial data bus operatively connecting the plurality of POL regulators, and a system controller connected to the serial data bus and adapted to send and receive digital data to and from the... | 06/15/2010 |
| 7710092 | Self tracking ADC for digital power supply control systems A self-tracking analog-to-digital converter includes a digital-to-analog converter (DAC) adapted to provide a variable reference voltage, a windowed flash analog-to-digital converter (ADC) adapted to provide an error signal ek corresponding to a differenc... | 05/04/2010 |
| 7673157 | Method and system for controlling a mixed array of point-of-load regulators through a bus translator A power control system comprises at least one point-of-load (POL) regulator adapted to provide an output voltage to a corresponding load and a system controller operatively connected to the at least one POL regulator via a data bus and adapted to send a first data m... | 03/02/2010 |
| 7646382 | Digital power manager for controlling and monitoring an array of point-of-load regulators A power control system comprises a plurality of point-of-load (POL) regulators each adapted to convey regulated power to a load, a serial data bus operatively connecting the plurality of POL regulators, and a digital power manager connected to the data bus. The digi... | 01/12/2010 |
| 7630185 | Electronic circuit breaker An electronic circuit breaker includes an input for connection to a power-supply and an output for connection to a load. Connected in circuit between the input and the output are a switch, a relay, and a limitation block, which controls the switch to cause at least ... | 12/08/2009 |
| 7583487 | System and method for managing fault in a power system A power control system comprises a plurality of power control groups, with each group comprising a plurality of individual point-of-load regulators each adapted to provide respective regulated voltage outputs. The point-of-load regulators may be selected for inclusi... | 09/01/2009 |
| 7565559 | Method and system for communicating filter compensation coefficients for a digital power control system A method and system is provided for programming the digital filter compensation coefficients of a digitally controlled switched mode power supply within a distributed power system. The distributed power system comprises a plurality of point-of-load (POL) regulators ... | 07/21/2009 |
| 7554778 | System and method for managing fault in a power system A power control system comprises a plurality of power control groups, with each group comprising a plurality of individual point-of-load regulators each adapted to provide respective regulated voltage outputs. The point-of-load regulators may be selected for inclusi... | 06/30/2009 |
| 7554310 | Digital double-loop output voltage regulation A switched mode voltage regulator has a digital control system that includes dual digital control loops. The voltage regulator comprises at least one power switch adapted to convey power between respective input and output terminals of the voltage regulator and a di... | 06/30/2009 |
| 7526660 | Voltage set point control scheme A system and method is provided for determining a voltage output of a programmable power converter based on programming voltage data received from one of a variety of alternate sources. Specifically, in one embodiment of the present invention, a control unit is adap... | 04/28/2009 |
| 7493504 | System and method for interleaving point-of-load regulators A system and method for providing interleaving point-of-load (POL) regulators such that each regulator's switching cycle is phase displaced with respect to those of other POL regulators in the array is disclosed. As a result, the aggregate input and/or output reflec... | 02/17/2009 |
| 7459892 | System and method for controlling a point-of-load regulator A system and method is provided for using a serial bus to communicate (either passively or actively) with a point-of-load (“POL”) regulator. Specifically, a power supply controller (“controller”) communicates with at least one POL regulators by writing and/o... | 12/02/2008 |
| 7456617 | System for controlling and monitoring an array of point-of-load regulators by a host A power control system comprises a plurality of POL regulators, at least one serial data bus operatively connecting the plurality of POL regulators, and a system controller connected to the serial data bus and adapted to send and receive digital data to and from the... | 11/25/2008 |
| 7394445 | Digital power manager for controlling and monitoring an array of point-of-load regulators A power control system comprises a plurality of point-of-load (POL) regulators each adapted to convey regulated power to a load, a serial data bus operatively connecting the plurality of POL regulators, and a digital power manager connected to the data bus. The digi... | 07/01/2008 |
| 7394236 | Digital double-loop output voltage regulation A switched mode voltage regulator has a digital control system that includes dual digital control loops. The voltage regulator comprises at least one power switch adapted to convey power between respective input and output terminals of the voltage regulator and a di... | 07/01/2008 |
| 7373527 | System and method for interleaving point-of-load regulators A system and method for providing interleaving point-of-load (POL) regulators such that each regulator's switching cycle is phase displaced with respect to those of other POL regulators in the array is disclosed. As a result, the aggregate input and/or output reflec... | 05/13/2008 |
| 7372682 | System and method for managing fault in a power system A power control system comprises a plurality of power control groups, with each group comprising a plurality of individual point-of-load regulators each adapted to provide respective regulated voltage outputs. The point-of-load regulators may be selected for inclusi... | 05/13/2008 |
| 7333350 | Self driven synchronous rectifier shutdown circuit and method There is disclosed a power conversion circuit comprising a transformer having a primary side driven by an input section and a secondary side connected to first and second self-driven synchronous rectifiers. A shutdown section includes a control section adapted to de... | 02/19/2008 |
| 7327149 | Bi-directional MOS current sense circuit A current sensing circuit comprises a power device adapted to conduct a bidirectional current between first and second terminals thereof, first and second sensing devices operatively coupled to the power device, a sense amplifier providing first and second voltages ... | 02/05/2008 |
| 7315157 | ADC transfer function providing improved dynamic regulation in a switched mode power supply A power supply comprises at least one power switch adapted to convey power between input and output terminals of the power supply, and a digital controller adapted to control operation of the at least one power switch responsive to an output measurement of the power... | 01/01/2008 |
| 7315156 | System and method for controlling output-timing parameters of power converters A system and method is provided for utilizing output-timing data to control at least one output timing parameter of a point-of-load (“POL”) regulator. Specifically, a power supply controller (“controller”) is adapted to transmit output-timing data to at leas... | 01/01/2008 |
| 7304462 | Compensated droop method for paralleling of power supplies (C-droop method) A power supply has multiple power supply modules connected in parallel. Each power supply module has a power conversion circuit having an input coupled for receiving an input voltage. A resistor is serially coupled in an output of the power conversion circuit. A cur... | 12/04/2007 |
| 7274575 | AC coupled bias circuit for power converters A switching power system for converting an input voltage to an output voltage across a transformer is disclosed. The system includes a control circuit. The control circuit has a control input coupled for receiving the output voltage and an output coupled to a primar... | 09/25/2007 |
| 7266709 | Method and system for controlling an array of point-of-load regulators and auxiliary devices A power control system comprises at least one POL regulator, at least one auxiliary device, a serial data bus operatively connecting the POL regulator and the auxiliary device, and a system controller adapted to exchange digital data with the POL regulator and auxil... | 09/04/2007 |
| 7253506 | Micro lead frame package The present invention comprises a lead frame substrate adapted to receive semiconductor die and multiple passive components. The lead frame substrate is preferably formed from a single piece of electrically conductive material, such as copper, and may be mounted wit... | 08/07/2007 |
| 7249267 | Method and system for communicating filter compensation coefficients for a digital power control system A method and system is provided for programming the digital filter compensation coefficients of a digitally controlled switched mode power supply within a distributed power system. The distributed power system comprises a plurality of point-of-load (POL) regulators ... | 07/24/2007 |
| 7239115 | Digital pulse width modulation controller with preset filter coefficients A switched mode voltage regulator includes a digital control system having a digital filter with a plurality of preset filter coefficients that can be selectively loaded into the digital filter to achieve different operating characteristics. The voltage regulator co... | 07/03/2007 |
| 7235827 | Vertical power JFET with low on-resistance for high voltage applications A junction field effect transistor (JFET) has a gate region, drain region, and a source region. An epitaxial region having a first conductivity type is disposed over the drain region. The first conductivity type is N-type semiconductor material. The gate region is d... | 06/26/2007 |
| 7236368 | Integral molded heat sinks on DC-DC converters and power supplies A power supply module has a printed circuit board (PCB) containing a plurality of electrical components for converting an input voltage to an output voltage. A heat sink is formed over substantially an entire surface area of the PCB for providing heat dissipation. T... | 06/26/2007 |
| 7230813 | Electronic circuit breaker The electronic circuit breaker comprises an input for connection to a power-supply network and an output for connection to a load. Set between the input and the output are a switch and a limitation block which controls the switch to cause at least partial inhibition... | 06/12/2007 |
| 7202651 | System and method for providing digital pulse width modulation A pulse width modulation system for use in a switching power supply circuit provides high-resolution pulse width modulated signals. The pulse width modulation system is configured to receive a control signal comprising a (m+n)-bit binary word and to provide a pulse ... | 04/10/2007 |