Electricity: power supply or regulation systems inventions 08/08

20080203979 - Customer intelligent reactive power automatic compensation energy-saved device: The present invention relates to power supply compensation, particularly relates to a customer intelligent reactive power automatic compensation energy-saved device, which includes an intelligent reactive power compensation regulator, a plurality of branch capacitor control contactors, a plurality of capacitor banks and a current transformer. Said intelligent reactive power compensation regulator... Agent: Schmeiser, Olsen & Watts

20080203980 - Programmable voltage divider: A test circuit and programmable voltage divider that may be used in the test circuit. The programmable voltage divider develops a voltage difference signal that may be digitally selected. The test circuit may be used to test and characterize sense amplifiers. The programmable voltage divider develops a signal with a... Agent: Law Office Of Charles W. Peterson, Jr. Yorktown

20080203981 - Semiconductor device structure and semiconductor device incorporating same: A semiconductor device structure includes a semiconductor substrate, a resistor layer, and a capacitor layer. The resistor layer is configured to overlie the semiconductor substrate. The resistor layer has a resistor disposed therewithin. The capacitor layer is configured to overlie the resistor layer. The capacitor layer has a capacitor disposed... Agent: Dickstein Shapiro LLP

20080203982 - Power supply system for motherboard: A power supply system for a motherboard includes a voltage regulator circuit includes a system power source, and a voltage output terminal, a sampling circuit having an input, and an output receiving a high level sleep signal from a south bridge of the motherboard, a switching circuit having an input,... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20080203983 - Voltage regulator with leakage current compensation: A voltage regulator having an input terminal for receiving an input voltage and an output terminal for providing a regulated voltage, the voltage regulator including: a differential amplifier configured for receiving a reference voltage and a feedback signal being a function of the regulated voltage, and for providing a regulation... Agent: Stmicroelectronics Inc. C/o Wolf, Greenfield & Sacks, P.C.

20080203985 - Dc-dc voltage converter: A DC-DC voltage converter is provided that includes a plurality of power channels and a controller. Each power channel is configured to provide a voltage output to an output node of the converter. Each power channel also includes a first sensing circuit configured to provide a primary feedback signal indicative... Agent: Fogg & Powers LLC

20080203984 - Step-up switching power supply device, and electronic device provided therewith: A step-up switching power supply device with synchronous rectification includes a first switch that is turned on at startup of the device and a second switch that is turned on when an output voltage reaches an input voltage, the first and seconds switches being connected in parallel between the back... Agent: Fish & Richardson P.C.

20080203988 - Adder and current mode switching regulator: Provided is an adder in which all of circuits can be constituted by CMOS transistors, a process is simplified, and a chip size can be reduced as compared with a conventional art. The adder according to the present invention includes: a first VI converter and a second VI converter that... Agent: Bruce L. Adams, Esq Adams & Wilks

20080203986 - Boosting switching regulator: When a boosting operation stops, it is ensured that a boosting switching regulator does not output an output voltage. When a high signal is applied to the gate of a PMOS transistor Q1 to turn off the transistor Q1, a higher voltage of an input voltage VDD and an output... Agent: Bruce L. Adams, Esq Adams & Wilks

20080203987 - Reference voltage generator having improved setup voltage characteristics and method of controlling the same: A reference voltage generator for improving setup voltage characteristics without an increase in a standby current and a method of controlling the same, in which the reference voltage generator includes: a reference voltage generation unit including a resistor connected between a power supply voltage and an output node, for dividing... Agent: F. Chau & Associates, LLC

20080203990 - Switching regulator: A switching regulator that includes an inductor, a first step-down switch to store charge in the inductor, a second step-down switch to discharge the charge, a first step-up switch to store charge in the inductor, a second step-up switch to discharge the charge, a reverse current detector to detect a... Agent: Dickstein Shapiro LLP

20080203989 - Voltage converter apparatus and method therfor: In the field of step-down voltage conversion, it is known to regulate an output of a DC-DC converter circuit with both a Pulse Wave Modulation voltage signal or a Pulse Frequency Modulation voltage signal, depending upon a current demand made upon the DC-DC converter circuit. Typically, circuits to generate both... Agent: Freescale Semiconductor, Inc. Law Department

20080203991 - Dc-dc converter that includes a high frequency power mesfet gate drive circuit: A DC-DC converter that includes a high frequency power MESFET gate drive circuit is provided. The gate drive circuits are intended to be used in switching regulators where at least one switching device is an N-channel MESFET. For regulators of this type, the gate drive circuits provide gate drive at... Agent: Advanced Analogic Technologies

20080203992 - Adaptive controller with mode tracking and parametric estimation for digital power converters: A controller for a power stage may adaptively control power switches to improve the efficiency of power consumption by the power stage and detect continuous conduction mode (“CCM”) and discontinuous conduction mode (“DCM”) operations of the power stage without instantaneous or cycle by cycle sensing and sampling of the output... Agent: Intel Corporation C/o Intellevate, LLC

20080203994 - Control apparatus and method of senseless mppt control for photovoltaic power generation system: The present invention relates to a senseless MPPT control apparatus of a photovoltaic power generation system and a method thereof. The control apparatus includes a current transformer, an A/D converter, a new and old current detector, a new duty ratio detector, an old duty ratio detector, a new and old... Agent: Park Law Firm

20080203993 - Dynamically scaling apparatus for a system on chip power voltage: A system for dynamically scaling a power voltage including a system on chip (SoC) and a power control circuit. The SoC includes a plurality of application circuits. The SoC is configured to generate internal clock signals in response to an externally supplied clock signal. The SoC also generates a target... Agent: Volentine & Whitt PLLC

20080203995 - Methods of discharge control for a battery pack of a cordless power tool system, a cordless power tool system and battery pack adapted to provide over-discharge protection and discharge control: In a cordless power tool system, a battery pack which may removably attachable to a cordless power tool and to a charger may include at least one battery cell and a power limiting device. The power limiting device may be arranged in series with the at least one battery cell... Agent: Harness Dickey & Pierce, P.L.C

20080197817 - Control arrangement for a pfc power converter: In a PFC (Power Factor Correction) converter control unit, a PWM (pulse width modulated) signal is produced by comparing a PFC converter output voltage error signal, produced by a transconductance amplifier, with a ramp signal, which may be from a control unit of a resonant mode converter in cascade with... Agent: Blakely Sokoloff Taylor & Zafman LLP

20080197818 - Switching converter having an activatable and deactivatable damping circuit: A switching converter for power factor correction which has-input terminals, an inductive storage element coupled to the input terminals, a rectifier arrangement, a control arrangement, and a damping circuit. The rectifier arrangement is connected to the inductive storage element and has output terminals for providing an output voltage. The control... Agent: Maginot, Moore & Beck Chase Tower

20080197819 - Method and apparatus for electronic power control: The method of the invention in one aspect involves electronic power control by varying the amplitude of an electrical power supply voltage, independent of frequency, whereby the output frequency will always be the same as the input frequency. An electrical circuit apparatus for accomplishing this function in a specific embodiment... Agent: Kirkpatrick & Lockhart Preston Gates Ellis LLP

20080197820 - Device for supplying an integrated circuit with power: The device (12) is used for supplying power to a rapid clocking and/or a rapidly clocked integrated circuit (13), which comprises a circuit load (17) to be supplied and an internal capacity (15) which is connected parallel to the circuit load (17). The integrated circuit (13) has a high clocking... Agent: Fasse Patent Attorneys, P.A.

20080197821 - Dc-dc conversion circuit, dc-dc conversion control circuit, and dc-dc conversion control method: A DC-DC conversion circuit is configured by including a plurality of control signal generation circuits, a plurality of soft-start control circuits, and a start control circuit. The plurality of control signal generation circuits correspond to the plurality of control signals, and generate a corresponding control signal of the plurality of... Agent: Arent Fox LLP

20080197822 - Variable gain amplifier and ac power supply device using the same: A variable gain amplifier includes first and second power supply terminals arranged to be connected to a power supply, a transconductance amplifier, first and second PN junction elements, a voltage drop element, first and second resistors, a current-generating transistor, and a current mirror. The transconductance amplifier outputs a current corresponding... Agent: Pearne & Gordon LLP

20080197823 - Converter circuit: A multiphase converter comprising a plurality of converter circuits, each converter circuit having series connected high and low side switches connected across a voltage bus with a common node provided therebetween, each of the common nodes connected through a respective inductor to an output node of the converter coupled to... Agent: Ostrolenk Faber Gerb & Soffen

20080197824 - Adaptive firing order control for dynamic current balance of multiphase voltage regulators: A pulse width modulation (PWM) modulator for a multiphase power converter and related adaptive firing order (AFO) method includes a multiphase leading edge generator having pulse generating circuitry associated with each of the regulator phases, wherein the pulse generating circuitry generates phase pulses associated with each of the phases. An... Agent: Law Offices Of Gary R. Stanford

20080197825 - Uniform converter input voltage distribution power system: A uniform converter input voltage distribution power system evenly controls the individual input voltages of DC-to-DC series-input parallel-output connected converters using a uniform input voltage distribution controller including a generator for generating respective error signals from the converter input voltages using a common distribution reference signal for providing respective converter... Agent: Carole A. Mulchinski, The Aerospace Corporation

20080197827 - Reverse current comparator circuit and method for switching regulators: A reverse current comparator for use in switching regulators includes a differential stage configured to encode the difference in voltage between an N and a P input. The differential stage feeds one or more gain stages. At least one of the gain stages includes one or more hysteresis devices. When... Agent: Advanced Analogic Technologies

20080197826 - Switching power supply controller with transient gain change: A switching power supply controller has a nominal loop gain and transient loop gain that is only activated in response to an abrupt load change in one direction. The transient loop gain may be implemented with a series-connected diode and resistor combination arranged in a feedback configuration with an error... Agent: Semiconductor Components Industries, LLC Intellectual Property Dept. - A700

20080197828 - Switching regulator: A switching regulator includes a switching transistor to switch in accordance with an input control signal, an inductor charged with an input voltage in response to a switching operation by the switching transistor, a switch signal generator to detect an inductor current flowing through the inductor from a voltage at... Agent: Dickstein Shapiro LLP

20080197829 - Semiconductor device and voltage regulator using the semiconductor device: A semiconductor device provided with a monitor transistor for detecting electric current flowing in a driver transistor mounted on a semiconductor chip is disclosed. The semiconductor device includes plural transistors provided in the monitor transistor and connected in parallel. The plural transistors are disposed at a periphery of an area... Agent: Dickstein Shapiro LLP

20080197831 - Detection circuit: A detection circuit for generating a control signal for controlling output voltage of an AC adapter. The detection circuit for an electronic device receives power information from an external power supply via a cable to generate the control signal that controls DC input voltage output from the external power supply.... Agent: Arent Fox LLP

20080197830 - Method for using digital pll in a voltage regulator: A circuit comprises a digital phase locked loop for generating a synchronization signal and a voltage regulator for providing regulated output voltage responsive to the synchronization signal from the digital phase locked loop.... Agent: Howison & Arnott, L.l.p

20080191669 - Method and apparatus for regulating a power supply of an integrated circuit: Disclosed is a circuit for adjusting a voltage supplied to an IC by a power supply. The circuit includes a PVT detector configured to generate a control signal and an adjustable resistance device configured to adjust its resistance in response to the control signal.... Agent: Weinick & Associates, Llc

20080191671 - Regulator circuit: A regulator circuit for efficiently and accurately outputting a target voltage with a simple circuit configuration. The regulator circuit includes an output circuit, a comparator, a counter block, a latch block, and a decoder block. When the target voltage is applied to an output terminal of the output circuit, the... Agent: Freescale Semiconductor, Inc. Law Department

20080191670 - Voltage regulator with pass transistors carrying different ratios of the total load current and method of operation therefor: r

20080191672 - Voltage-stabilizing circuit in power supply apparatus of automobiles: The present invention related to a voltage-stabilizing circuit in the power supply apparatus of automobiles, and comprising a battery, a voltage-stabilizing capacitor, and a switching circuit. The battery provides a voltage; the voltage-stabilizing capacitor couples to the battery, and stabilizes the output voltage of the power supply apparatus of the... Agent: Rosenberg, Klein & Lee

20080191673 - Series regulator circuit: A series regulator circuit that enables accurate detection of the rising of an output voltage even when the output voltage fluctuates. The series regulator circuit uses an operational amplifier including a first constant current source, first and second transistors for distributing the current of the first constant current source, and... Agent: Freescale Semiconductor, Inc. Law Department

20080191676 - Arrangement for smoothing the load current supplied to a load: The invention relates to smoothing a consumer electrical circuit supplied by a controllable current sink connected in parallel to the consumer. For this purpose, measuring voltage proportional to a load current supplied to the consumer is derived therefrom. A pick value measuring device makes it possible to determine a maximum... Agent: Marshall, Gerstein & Borun LLP

20080191677 - Electronic switch circuit, converter and method of operation: e

20080191679 - High-frequency buck converter that includes a cascode mesfet-mosfet power switch: A Buck converter that includes a cascode switch comprising a series connected MESFET and MOSFET power switch. The cascode power switch is typically connected in between a power source and a node Vx. The node Vx is connected to an output node via an inductor and to ground via a... Agent: Advanced Analogic Technologies

20080191675 - Power extractor detecting power and voltage changes: In some embodiments, a power extractor utilizes power transfer circuitry with analysis circuitry to detect a power slope and to control the magnitude of the current in response to the detected power slope. The power analysis circuitry may increase the current as long as the power slope shows an increase... Agent: Blakely Sokoloff Taylor & Zafman LLP

20080191674 - Regulator with automatic power output device detection: A switching regulator (20) including an on-chip power output function (24) and also an interface (26) to which off-chip power output devices (42PU, 42PD) may be connected is disclosed. The switching regulator (20) includes an output enable circuit (25, 125) that senses the presence of external components at one of... Agent: Texas Instruments Incorporated

20080191678 - Switch-mode converter: A switch-mode converter. One embodiment provides an inductive energy storage element. A rectifier arrangement is coupled to the inductive energy storage element for providing an output voltage. A switching arrangement regulates the inductive energy storage element on the basis of a control signal. A controller arrangement is configured to generate... Agent: Dicke, Billig & Czaja

20080191680 - Bias circuit: A control circuit U1 comprises four PMOS transistors MP1-MP4 and receives a voltage Vn and a voltage Vss. MP1 and MP3, and, MP2 and MP4 are respectively connected in series between power supply Vdd and a fixed voltage Vss. Gate terminal of MP2 is connected to Vss. Reference current and... Agent: Arent Fox LLP

20080191681 - Power supply voltage adjusting device: In a semiconductor integrated circuit including plural types of transistors having different threshold voltages, a plurality of oscillators including respective types of transistors are provided. The respective oscillation frequencies of these oscillators are counted, and based on the count values, a voltage to be set on a power supply voltage... Agent: Arent Fox LLP

20080186001 - On-chip adaptive voltage compensation: Measurement circuit components are included in an integrated circuit fabricated on a semiconductor substrate. These measurement circuits are connected to a voltage regulation circuit that provides the integrated circuit voltage source. These measurement circuits provide signals to control the voltage regulation circuit to adjust the voltage output to the integrated... Agent: Ibm Corporation

20080186002 - Temperature dependent voltage source compensation: A circuit and a method for regulating a voltage supply where the method includes the steps of concurrently measuring temperature, IR drop and frequency response within the circuit, adjusting voltage supplied to the circuit in response to the measured temperature, IR drop and frequency response, and determining a correction value... Agent: Ibm Corporation

20080186003 - Device for generating internal power supply voltage and method thereof: Example embodiments relate to an internal power supply voltage generating device. The internal power supply voltage generating device may include a start-up voltage generating part, a reference voltage generating part, and/or an internal power supply voltage generating part. The start-up voltage generating part may be configured to generate a start-up... Agent: Harness, Dickey & Pierce, P.L.C

20080186005 - Dynamic voltage generation device and the usage method thereof: The present invention provides a dynamic voltage generation device and the usage method thereof, which is used to output the dynamic voltage and adjust the sampling resistance of the sampling switch. The device comprises a reference switch, ensuring that if the reference switch is matched with the sampling switch, the... Agent: Apex Juris, PLLC

20080186004 - High-frequency power mesfet boost switching power supply: A MESFET based boost converter includes an N-channel MESFET connected to a node Vx. An inductor connects the node Vx to a battery or other power source. The node Vx is also connected to an output node via a Schottky diode or a second MESFET or both. A control circuit... Agent: Advanced Analogic Technologies

20080186006 - 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 each comprising at least one power switch adapted to convey power to a... Agent: O'melveny & Myers LLP Ip&t Calendar Department La-1118

20080186007 - Power supply switch circuit with current leakage protection: A power supply switch circuit with current leakage protection is used in an electronic device, and is able to prevent the erroneous actions caused by a leakage current in high-temperature environments. The power supply switch circuit comprises a transistor having an emitter, a base and a collector, a field effect... Agent: Rosenberg, Klein & Lee

20080186008 - Semiconductor device with inductor: A semiconductor device with an inductor device is small, thin, and low-cost. A laminated inductor is adhered fixedly onto a supporting conductive plate by Ag paste, and a semiconductor chip is adhered fixedly onto the laminated inductor via an insulating DAF tape. One end of the supporting conductive plate and... Agent: Kanesaka Berner And Partners LLP

20080186009 - Voltage dip and undervoltage compensator: The present invention relates a system for compensating for a voltage dip and undervoltage containing a primary side and secondary side transformer, a voltage dip/swell detector, and a level detector/switch selector device, wherein the secondary side of the transformer possesses a minimally sufficient number of taps to allow the system... Agent: Attn: Maquita Wong The Hong Kong Polytechnic University