| Patent Number |
Title Of Patent |
Date Issued |
| D494538 |
Power supply housing |
August 17, 2004 |
|
| D324487 |
Power supply mounting insert |
March 10, 1992 |
|
| 7394445 |
Digital power manager for controlling and monitoring an array of point-of-load regulators |
July 1, 2008 |
| 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 digital power manager |
| 7394236 |
Digital double-loop output voltage regulation |
July 1, 2008 |
| 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 digital controller a |
| 7373527 |
System and method for interleaving point-of-load regulators |
May 13, 2008 |
| 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 reflected ripple and noise |
| 7372682 |
System and method for managing fault in a power system |
May 13, 2008 |
| 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 inclusion in a power control |
| 7333350 |
Self driven synchronous rectifier shutdown circuit and method |
February 19, 2008 |
| 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 detect a predetermin |
| 7327149 |
Bi-directional MOS current sense circuit |
February 5, 2008 |
| 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 to the first and s |
| 7315157 |
ADC transfer function providing improved dynamic regulation in a switched mode power supply |
January 1, 2008 |
| 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 supply. The digital |
| 7315156 |
System and method for controlling output-timing parameters of power converters |
January 1, 2008 |
| 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 least one POL regulator. In on |
| 7304462 |
Compensated droop method for paralleling of power supplies (C-droop method) |
December 4, 2007 |
| 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 current limit amplifier h |
| 7274575 |
AC coupled bias circuit for power converters |
September 25, 2007 |
| 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 primary winding of the t |
| 7266709 |
Method and system for controlling an array of point-of-load regulators and auxiliary devices |
September 4, 2007 |
| 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 auxiliary device via the |
| 7253506 |
Micro lead frame package |
August 7, 2007 |
| 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 within a lead frame p |
| 7249267 |
Method and system for communicating filter compensation coefficients for a digital power control |
July 24, 2007 |
| 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 each comprising at |
| 7239115 |
Digital pulse width modulation controller with preset filter coefficients |
July 3, 2007 |
| 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 comprises at least one |
| 7236368 |
Integral molded heat sinks on DC-DC converters and power supplies |
June 26, 2007 |
| 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. The heat sink is ma |
| 7235827 |
Vertical power JFET with low on-resistance for high voltage applications |
June 26, 2007 |
| 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 disposed within a trenc |
| 7230813 |
Electronic circuit breaker |
June 12, 2007 |
| 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 thereof in the ev |
| 7203041 |
Primary side turn-off of self-driven synchronous rectifiers |
April 10, 2007 |
| There is disclosed a power conversion circuit including self synchronous rectifiers and a rapid shutdown section. When power is removed from the power conversion circuit, the rapid shutdown section prevents self oscillation of the self synchronous rectifiers. As a result, power is not |
| 7202651 |
System and method for providing digital pulse width modulation |
April 10, 2007 |
| 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 width modulated si |
| 7154174 |
Power supply packaging system |
December 26, 2006 |
| A packaging system for a high current, low voltage power supply. The power supply uses bare die power FETs which are directly mounted to a thermally conductive substrate by a solder attachment made to the drain electrode metallization on the back side of the FETs. The source electrode an |
| 7145085 |
Enhanced connection arrangement for co-planar vertical surface mounting of subassemblies on a mo |
December 5, 2006 |
| The invention provides a subassembly to facilitate co-planar vertical surface mounting of subassembly boards. By "vertically mounting" is meant that a subassembly circuit board with a major surface is mounted perpendicular to the major surface of a circuit motherboard. In accordance |
| 7141956 |
Digital output voltage regulation circuit having first control loop for high speed and second co |
November 28, 2006 |
| 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 digital controller a |
| 7129577 |
Power supply packaging system |
October 31, 2006 |
| A packaging system for a high current, low voltage power supply. The power supply uses bare die power FETs which are directly mounted to a thermally conductive substrate by a solder attachment made to the drain electrode metallization on the back side of the FETs. The source electrode an |
| 7080265 |
Voltage set point control scheme |
July 18, 2006 |
| 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 adapted to monitor a d |
| 7075799 |
Self-driven synchronous rectifier circuit |
July 11, 2006 |
| A DC-DC power converter has a transformer with a primary side and secondary side. A first power transistor is coupled between a first end of a first winding of the secondary side and a ground terminal. A second power transistor is coupled between a second end of the first winding and |
| 7068021 |
System and method for controlling output-timing parameters of power converters |
June 27, 2006 |
| 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 least one POL regulator. In on |
| 7057379 |
System and method for providing digital pulse width modulation |
June 6, 2006 |
| 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 width modulated si |
| 7049798 |
System and method for communicating with a voltage regulator |
May 23, 2006 |
| A system and method is provided for using a point-on-load ("POL") control unit to program and/or monitor a POL regulator. Specifically, in one embodiment of the present invention, a power supply controller is adapted to provide initial-configuration data to at least one POL regulator. A |
| 7049677 |
Low cost dielectric isolation method for integration of vertical power MOSFET and lateral driver |
May 23, 2006 |
| A semiconductor device has a driver device (10) in proximity to a power device (12). In making the semiconductor device, an N+ layer (24) is formed on a substrate (22). A portion of the N+ layer is removed, substantially down to the substrate, to provide a layer offset (28) between t |
| 7027305 |
Arrangement for surface mounting of subassemblies on a mother board |
April 11, 2006 |
| The invention provides arrangements to facilitate surface mounting of subassembly boards on a motherboard with reliable, high conductivity interconnection. In accordance with the invention, the subassembly interconnection arrangement is composed of separate power and sense connector |
| 7026664 |
DC-DC converter implemented in a land grid array package |
April 11, 2006 |
| A semiconductor chip package that includes a DC--DC converter implemented with a land grid array for interconnection and surface mounting to a printed circuit board. The package includes a two layer substrate comprising a top surface and a bottom surface. At least one via array exten |
| 7023190 |
ADC transfer function providing improved dynamic regulation in a switched mode power supply |
April 4, 2006 |
| 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 supply. The digital |
| 7000125 |
Method and system for controlling and monitoring an array of point-of-load regulators |
February 14, 2006 |
| 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 plurality of POL |
| 6989661 |
System and method for providing digital pulse width modulation |
January 24, 2006 |
| 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 width modulated si |
| 6989612 |
Dynamic control of power converter output voltage slew rate |
January 24, 2006 |
| A system and method is provided for dynamically controlling output voltage slew rate in a power converter. Preferred embodiments of the present invention operate in accordance with a power converter including at least a slew-rate control lead (a trim lead, a control lead, etc.), an e |
| 6972961 |
Systems and methods for a tongue and groove arrangement for an electronic module and equipment r |
December 6, 2005 |
| The invention is related to methods and apparatus for inserting and/or holding electronic modules into equipment racks. For example, the electronic module can correspond to a power supply, and the equipment rack can correspond to a shelf for a standardized equipment rack. One embodim |
| 6958592 |
Adaptive delay control circuit for switched mode power supply |
October 25, 2005 |
| A switched mode power supply comprises a first switch coupled to an input power source, a second switch coupled to ground, and an output filter coupled to a phase node defined between the first and second switches. The first and second switches are responsive to a pulse width modulated s |
| 6661209 |
Leading edge modulator for post regulation of multiple output voltage power supplies |
December 9, 2003 |
| A multiple output voltage power supply includes a transformer having a primary winding and a plurality of secondary windings. The primary winding is adapted to have an input voltage coupled thereto. A primary side switch is coupled to the primary winding and is adapted to control power a |
| 6587344 |
Mounting system for high-voltage semiconductor device |
July 1, 2003 |
| A mounting system for mounting a semiconductor device to a heat sink is disclosed. The mounting system is for mounting a semiconductor package having a semiconductor die, a heat spreader, a body of non-conductive material around the semiconductor die, and a plurality of leads to a heat |
| 6577220 |
Continuous multi-turn coils |
June 10, 2003 |
| A coil element with no solder joints is made of a continuous conductive strip includes a first terminal, a second terminal, a conductive path between the first terminal and the second terminal. The conductive path has curved regions and foldable hinge regions shaped such that the coil |
| 6570770 |
Handle integrating mechanical functions with electronic status indicators and adjustment feature |
May 27, 2003 |
| A handle for electronic components is provided that retains the mechanical function of prior art handles and provides for integration of electronic features, such as indicator lights and associated labels, on a portion of the handle. The present handle is mechanically attached to its ass |
| 6501193 |
Power converter having regulated dual outputs |
December 31, 2002 |
| A power converter provides regulated dual outputs. The power converter includes a transformer having a primary winding, and first and second secondary windings. On a primary side of the converter, there is provided the primary winding of the transformer, and a first switch having an |
| 6461172 |
Multiple function high current interconnect with integrated bus bar |
October 8, 2002 |
| A bus bar with integrated quick-disconnect terminals for distributing electrical current from a power supply or other electronic component is disclosed. The bus bar and terminals are comprised of a single piece of copper alloy or other suitable bus bar material. The quick-disconnect |
| 6392901 |
Methods and systems for a power supply rack |
May 21, 2002 |
| The present invention is directed to methods and systems for a power supply rack. In one embodiment, the power supply rack has a slot configured to slidably receive a power supply. The rack also has a first connector configured to mate with a first power supply connector. The rack is |
| 6370051 |
Forward converter circuit having reduced switching losses |
April 9, 2002 |
| A forward converter circuit has substantially reduced switching losses to provide greater efficiency than the aforementioned conventional circuit. A first switch is coupled to a primary winding of a transformer and adapted to selectively couple a bus voltage terminal to a first terminal |
| 6370047 |
Dual input range power supply using two series or parallel connected converter sections with aut |
April 9, 2002 |
| A power supply comprises a first power converter having respective input and output terminals, and a second power converter having respective input and output terminals. The output terminals of the first and second power converters are connected in series to provide a combined output vol |
| 6304463 |
Single-ended forward converter circuit with quasi-optimal resetting for synchronous rectificatio |
October 16, 2001 |
| A single-ended DC-to-DC converter includes a power transformer having a primary winding and a secondary winding, with a primary switch and an input voltage source coupled in series with the primary winding of the transformer. The primary switch is periodically made active upon applic |
| 6302709 |
Multiple function high current interconnect with integrated bus bar |
October 16, 2001 |
| A bus bar with integrated quick-disconnect terminals for distributing electrical current from a power supply or other electronic component is disclosed. The bus bar and terminals are comprised of a single piece of copper alloy or other suitable bus bar material. The quick-disconnect |
