Electricity: power supply or regulation systems patents - Monitor Patents
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Electricity: power supply or regulation systems

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
  
10/02/2014 > 17 patent applications in 10 patent subcategories.

20140292287 - Cascode semiconductor device: A semiconductor device, comprising first and second field effect transistors arranged in a cascode configuration: wherein the first field effect transistor is a depletion mode transistor; and wherein the second field effect transistor comprises a first source to gate capacitance and a second additional source to gate capacitance connected in... Agent: Nxp B.v.

20140292289 - Electrical device installation improvement: An energy saving device that is adapted to be connected to a power outlet and further connected to at least one electrical device, said electrical devices drawing power through the energy saving device, the energy saving device including testing means adapted to perform at least one installation verification test and... Agent: Embertec Pty Ltd

20140292288 - I+hu 2 +l average current mode (acm) control for switching power converters: Providing a fast current sensor direct feedback path to a modulator for controlling switching of a switched power converter in addition to an integrating feedback path which monitors average current for control of a modulator provides fast dynamic response consistent with system stability and average current mode control. Feedback of... Agent: Virginia Tech Intellectual Properties, Inc.

20140292290 - Source-electrode driving control circuit and control method thereof: Disclosed are driving control methods and circuits for quasi-resonant control of a main power switch of a switching power supply. In one embodiment, a driving control circuit can include: (i) a clamp circuit coupled to a gate of the main power switch, where the clamp circuit is configured to clamp... Agent:

20140292291 - Multiphase converting controller: A multiphase converting controller, adapted to control a plural converting circuits coupled to an input voltage to commonly supply an output voltage, is disclosed. The multiphase converting controller comprises a feedback control circuit, an on-time control circuit, and a multiphase logic control circuit. The feedback control circuit determines a conduction... Agent: Green Solution Technology Co., Ltd.

20140292292 - Voltage regulator over-current protection: Exemplary embodiments are related to a buck regulator. A buck regulator may include an inductor selectively coupled to an output and a power supply. The regulator may also include a controller configured to detect an over-current event if an amount of current flowing from the power supply to the inductor... Agent: Qualcomm Incorporated

20140292295 - Control circuit for dynamically adjusting off time of power switch in power converter: A control circuit of a power converter includes: a periodical signal generating circuit for generating a first filtered signal, a second filtered signal, and a periodical signal according to a second feedback signal corresponding to an inductor voltage of the power converter; a comparison circuit for comparing the error signal... Agent: Richtek Technology Corporation

20140292296 - Control circuit for switching regulator, integrated circuit device, switching regulator, and electronic device: Provided are a control circuit for a switching regulator that can switch off a transistor that drives an inductor at high speed, an integrated circuit device, the switching regulator, an electronic device, and the like. A control circuit (100) includes a signal generation circuit (10) and an output circuit (20).... Agent: Seiko Epson Corporation

20140292294 - Power supply device: The size of a reactor is reduced in a power supply device whose load circuit includes a second DC power supply. A power supply device comprises: a chopper circuit CH connected between a first DC power supply E1 and load circuit L; and a filter circuit FI that includes a... Agent: Mitsubishi Electric Corporation

20140292297 - Power supply having selectable operation based on communications with load: A power supply includes signaling circuitry coupled to output terminals for engaging in bidirectional communications with a load. A controller is capable of conducting the bidirectional communications and selecting among different operating modes for the power supply based on the communications. The modes may include a constant-current mode suitable for... Agent: Bel Fuse (macao Commercial Offshore) Limited

20140292293 - Voltage regulator: A voltage regulator for providing power to a system includes feedforward circuitry receiving a signal from the system indicating the current needed by the system, and the feedforward circuitry causes the voltage regulator to change the voltage regulator output current in response to the signal from the system.... Agent: Texas Instruments Deutschland Gmbh

20140292298 - Operational amplifier-based current-sensing circuit for dc-dc voltage converters and the like: In one embodiment, an integrated circuit comprising a current-sensing circuit having a power transistor and an amplifier. The current-sensing circuit is coupled to (i) sense a current supplied to a load by a voltage source through an inductor and (ii) generate an inductor-current signal based on the sensed current. The... Agent: Lsi Corporation

20140292300 - V+hu 2 +l power converter control with capacitor current ramp compensation: Operation of a switching power converter having an output capacitor having a small equivalent series resistance (ESR) is stabilized and jitter reduced by sensing capacitor current with gain and combining the resulting signal with the output voltage signal to provide a feedback signal to control switching of the power converter.... Agent: Virginia Tech Intellectual Properties, Inc.

20140292299 - Voltage converter circuit and associated control method: A converter circuit and associated control method are disclosed hereby. The converter circuit has an error amplifier to provide an error signal; a proportional amplifier to provide a gain signal according the error signal and an output voltage of the converter circuit; a first comparator, generating a pulse signal according... Agent: Chengdu Monolithic Power Systems Co., Ltd.

20140292301 - Low power bias compensation scheme utilizing a resistor bias: Compensation circuitry includes a resistor and transistor coupled in series with a reference current source to generate a variable reference voltage that is provided, via a voltage regulator, to bias elements of a core circuit in order to establish an operating current in the core circuit. In one embodiment, the... Agent: Broadcom Corporation

20140292302 - Semiconductor switch circuit: A semiconductor switch circuit includes a switch between an input node and an output node that connects nodes to each other according to a control signal and a level shifter outputting the control signal at a boosted level that is greater than a power supply voltage level. The semiconductor switch... Agent: Kabushiki Kaisha Toshiba

20140292303 - Dc/dc converters: A method for transferring power between two DC circuits, each circuit being bipolar or connected at the midpoint thereof, involves: coupling the high voltage bus across a pair of inductors, arranged in parallel; coupling the low voltage bus across the pair of inductors; coupling the high voltage bus, the low... Agent: Arda Power Inc.

  
09/25/2014 > 15 patent applications in 13 patent subcategories.

20140285162 - Power supply device for an injection moulding machine: wherein the energy storage device can be closed loop controlled by means of the closed loop control device so that the energy content of the energy storage device does not go outside a range, in which a power input and/or a power output of the energy storage device is essentially... Agent: Engel Austria Gmbh

20140285163 - Highly efficient pfc circuit and control method thereof: A PFC circuit includes: a switching circuit having a power switch; an on time control circuit for controlling an on time period of the power switch; a first off time control circuit; a second off time control circuit; and a logic circuit selectively controls the power switch working under CCM... Agent: Chengdu Monolithic Power Systems Co., Ltd.

20140285164 - Power supply device and semiconductor integrated circuit device: A power supply device includes a linear regulator including an output stage amplifier, a current sensing circuit, and a switching regulator. The current sensing circuit detects an output current of the linear regulator, and is disposed in parallel with the output stage amplifier, in a configuration corresponding to the output... Agent: Fujitsu Limited

20140285165 - Low-dropout voltage regulator apparatus capable of adaptively adjusting current passing through output transistor to reduce transient response time and related method thereof: A low-dropout voltage regulator apparatus includes a voltage source circuit, an error amplifier, an output transistor, a resistor-capacitor circuit, a detection circuit, and a current adjusting circuit. The voltage source circuit generates a reference voltage signal and at least one threshold voltage signal. The error amplifier receives the reference voltage... Agent: Silicon Motion Inc.

20140285166 - Low-dropout regulator and method for regulating voltage: In one embodiment a low-dropout regulator comprises a first differential amplifier (Nmos1) to receive an input voltage (Vin), a power transistor (T1) coupled to the first differential input pair (Nmos1), the power transistor having an output (OUT) forming an output terminal of the low-dropout regulator to provide an output voltage... Agent: Ams Ag

20140285168 - Adjustable voltage output device and adjustment method of operating voltage: This disclosure relates to an adjustable voltage output device and an adjustment method of an operating voltage, in which the adjustable voltage output device utilizes a basic input/output system for adjusting the duty cycle of the pulse width modulation (PWM) signal outputted by the PWM signal generation unit, so as... Agent: Inventec (pudong) Technology Corporation

20140285167 - Auto-tuning switching regulator: In an example, a system and method are disclosed for providing a single control law that is operable to regulate both small-signal, steady-state operation, and large-signal transients of a switching regulator. The control law is based on detecting a zero-crossing of capacitor current, and projecting in advance a turning point... Agent: Analog Devices, Inc.

20140285169 - Systems and methods for estimating an output current of a power conversion circuit: A controller for a power conversion circuit that includes an inductor, a diode, and a switch. The controller includes a counter configured to determine, based on a first voltage input to the inductor, an on-time of the diode. The on-time of the diode corresponds to an amount of time that... Agent:

20140285170 - Efficient control circuit for buck-boost converters and control method thereof: A controller used in a buck-boost converter includes a logic control circuit, a pulse width increasing circuit, a pulse width decreasing circuit, a first driving circuit and a second driving circuit. The pulse width increasing circuit generates a sum control signal based on a logic control signal generated by the... Agent: Chengdu Monolithic Power Systems Co., Ltd.

20140285171 - Voltage conversion circuit and switching control circuit: In an embodiment, a voltage conversion circuit includes a first voltage conversion unit stepping up or stepping down an input DC voltage and a second voltage conversion unit stepping up or stepping down an input DC voltage. A switcher is configured to switch between using both the first and second... Agent: Kabushiki Kaisha Toshiba

20140285172 - Power circuit: According to one embodiment, the power circuit includes a first feedback loop which feedbacks information on an output voltage and a second feedback loop which feedbacks information on a load current. When the load current is smaller than a predetermined threshold value, the second feedback loop is blocked and a... Agent: Kabushiki Kaisha Toshiba

20140285173 - System and method for providing adaptive dead times: System and method for adaptively altering a power supply's dead time. A method comprises detecting a start of a dead time, detecting an ending condition of the dead time, and ending the dead time. The detecting of the ending condition is based on a first current flowing through a lower... Agent:

20140285174 - Circuit for dc-dc conversion with current limitation: A circuit for DC-DC conversion with current limitation comprises a DC-DC converter (100) with a coil (110) and a controllable switch (120) that can be switched into a low-impedance and a high-impedance state, and a current limiter (300a, 300b) for generating a control signal (IOC) for controlling the state of... Agent: Ams Ag

20140285175 - Reference voltage generating circuit, integrated circuit and voltage or current sensing device: A reference voltage generating circuit comprising a first bandgap voltage source arranged to output a first bandgap voltage exhibiting a first type deviation in response to a strain applied at die level in a given direction; a second bandgap voltage source arranged to output a second bandgap voltage exhibiting a... Agent: Freescale Semiconductor, Inc.

20140285176 - Power-supply circuit and luminaire: According to one embodiment, there is provided a power-supply circuit including a substrate, a chopper circuit, a conductive member, first capacitative elements, and second capacitative elements. The substrate includes a mounting surface. The chopper circuit is provided on the mounting surface, includes input ends, output ends, and a switching element,... Agent: Toshiba Lighting & Technology Corporation

  
09/18/2014 > 66 patent applications in 27 patent subcategories.

20140266081 - Adaptive adjustment to output ripple in a dead zone: An embodiment relates to a method for adjusting a dead zone, wherein an amplitude of an oscillating signal is determined, and wherein the dead zone is adjusted based on the amplitude of the oscillating signal.... Agent: Infineon Technologies Austria Ag

20140266082 - Method and implementation for eliminating random pulse during power up of digital signal controller: A switching mode power converter includes a DSC with a digital PWM module configured for complementary operation mode during normal operation. The control algorithm of the DSC is configured such that during an initialization stage immediately following power up of the device relevant digital PWM modules used for interleaving operation... Agent: Flextronics Ap, LLC

20140266083 - Energy-saving device with a voltage-regulating function: An energy-saving device is electrically connected between an output terminal of an electric power and an input terminal of a load and includes a current dividing unit connected with the load in parallel, and a voltage dividing unit connected with the load serially. The current dividing unit has an input... Agent:

20140266084 - Dc-dc converter: A DC-DC converter, having an output voltage and including at least one electronic switch: first circuitry controlling the output voltage by adjusting a switching frequency of the electronic switch, and second circuitry adjusting the switching frequency toward a target switching frequency when the switching frequency significantly deviates from the target... Agent: Texas Instruments Incorporated

20140266085 - Control method of high efficient buck-boost switching regulator: The present disclosure relates to methods and circuits to achieve a buck-boost switching regulator that allows changing operation modes without causing large output ripples during transition of operation modes Increased error amplifier output voltage range over which the converter stays in its present operating mode (buck or boost or buck-boost),... Agent: Dialog Semiconductor Gmbh

20140266086 - Coupled inductors with non-uniform winding terminal distributions: A coupled inductor includes a ladder magnetic core including two opposing rails extending in a lengthwise direction and joined by a plurality of rungs. The coupled inductor further includes a respective winding wound around each of the plurality of rungs. The plurality of rungs are divided into at least two... Agent: Volterra Semiconductor Corporation

20140266087 - Start-up circuit for voltage regulation circuit: Among other things, techniques and systems are provided to pre-charge a node of a primary circuit, such as a voltage regulator or bandgap voltage reference, via a start-up circuit. The node is charged to a specified voltage during a pre-charge operation that occurs while the primary-circuit is powered-off. The pre-charge... Agent: Taiwan Semiconductor Manufacturing Company Limited

20140266088 - Voltage regulator circuit with controlled voltage variation: According to one embodiment, a voltage regulator circuit includes a first regulator, and a second regulator. The first regulator includes a first transistor of a first conductive type, which outputs a second voltage that is generated from a first voltage and lower than the first voltage to an output node.... Agent:

20140266089 - Controlled start-up of a linear voltage regulator where input supply voltage is higher than device operational voltage: A controlled start-up circuit mechanism in a linear voltage regulator can handle a higher supply voltage at start-up and limits the voltage seen at the devices to be lower than the maximum allowed operation voltage. The circuit may regulate voltage for operating a device coupled to a host when the... Agent:

20140266096 - Buck-boost circuit: In accordance with some embodiments, a buck-boost circuit is contemplated which is bi-directional. That is, the buck-boost circuit be configured to produce a load voltage for a load responsive to a source voltage from a voltage source, and the buck-boost circuit may also be configured to produce a charging voltage... Agent: Deeya Energy, Inc.

20140266093 - Internal compensation for power management integrated circuits: A voltage regulator integrated circuit comprises a control circuit driving at least one power switch to provide a regulated voltage at an output of an inductor/capacitor (LC) circuit coupled to the at least one power switch; an error amplifier having a first input coupled to a feedback signal representative of... Agent: Intersil Americas LLC

20140266097 - Method for converting a high voltage level to a low voltage level: An integrated circuit for converting a high voltage level to a low voltage level comprises a high side driver, a low side driver electrically coupled with the high side driver, a circuit electrically coupled with the high side driver and a first node between the high side driver and the... Agent: Taiwan Semiconductor Manufacturing Company, Ltd.

20140266092 - Reference compensation module and switching regulator circuit comprising the same: A switching regulator circuit and a reference compensation module employed for compensating a reference signal in the switching regulator circuit. The switching regulator circuit with a reference ground having an average offset voltage referenced to a package ground pin, wherein the average offset voltage is proportional to an output current... Agent: Monolithic Power Systems, Inc.

20140266094 - Split-switcher voltage regulator architecture: A power management system that can include an application processor and a power management unit (PMU). The PMU can generate a regulated output voltage based on control signals generated by a switch control module of the application processor. The control signals can be determined based on a comparison of monitored... Agent:

20140266095 - Step-down switching circuit: The step-down switching circuit includes an amplifier capacitor having a first end connected to the feedback terminal and a second end connected to a second input of the amplifier. The step-down switching circuit includes a first resistor having a first end connected to the first end of the amplifier capacitor.... Agent: Kabushiki Kaisha Toshiba

20140266090 - Switching regulator with adaptive pwm/pfm modulator: A switching regulator controller for a buck switching regulator incorporates a multi-mode adaptive modulator configured to automatically select between a first operation mode and a second operation mode as a function of the output voltage being generated. In one embodiment, the switching regulator controller compares the output voltage to a... Agent: Alpha And Omega Semiconductor Incorporated

20140266091 - Voltage regulators with load-dependent bias: This document describes systems and techniques related to voltage regulators. The subject matter of this document can be embodied in a method that includes measuring an output current of a switching regulator. The switching regulator includes a high-side transistor and a low side-transistor wherein the high-side transistor and the low-side... Agent: Volterra Semiconductor Corporation

20140266099 - In-rush current control for charge-pump ldo: A circuit for a charge-pump low-dropout (LDO) regulator may include a comparator circuit configured to control a pass transistor based on an error signal. A pre-charge path may be provided between a supply voltage and an output node of the regulator. The pre-charge path may be configured to allow charging... Agent: Broadcom Corporation

20140266100 - Method to limit the inrush current in large output capacitance ldo's: The present document relates to a pre-charge circuit of electronic circuits having Miller compensation and significant output capacitance such as LDOs or multistage amplifiers. The pre-charge circuit limits an inrush current right after enabling of the electronic circuit. The pre-charge circuit limits and clamps the fast charging of the Miller... Agent: Dialog Semiconductor Gmbh

20140266102 - Methods and apparatus including a current limiter: In one general aspect, an apparatus can include a load terminal, and a power source terminal. The apparatus can include a current limiter coupled to the load terminal and coupled to the power terminal. The current limiter can be configured to limit a current from the power source terminal to... Agent: Fairchild Semiconductor Corporation

20140266101 - Programmable voltage regulator: A programmable linear voltage regulator and system for programming the regulator that improves the speed, power usage, and stability over conventional linear voltage regulators is disclosed. A controller that has knowledge of the current or expected activation of various loads sends bias control signals to a programmable biasing circuit of... Agent: Boston Scientific Neuromodulation Corporation

20140266098 - Voltage regulator with current limiter: A voltage regulator includes an amplifier having a first input coupled to a first reference voltage and a second input coupled to a voltage feedback signal; a multiplexer having a first input coupled to an output of the amplifier, a second input coupled to a voltage clamp signal, and a... Agent:

20140266103 - Digitally assisted regulation for an integrated capless low-dropout (ldo) voltage regulator: Techniques are described that embed a digital assisted regulator with an LDO regulator on a chip without requiring a capacitor external to the chip and to regulate a voltage without undershoot. The digital assisted regulator responds to information regarding operation of the LDO regulator and to a signal that provides... Agent: Qualcomm Incorporated

20140266104 - An ldo and load switch supporting a wide range of load capacitance: A method to maintain stability of a low drop-out (LDO)/load switch linear voltage regulator (LVR). The method includes determining, during a power-up phase and by a capacitance sensing circuit, an estimated output capacitance value at an output node of the LDO/load switch LVR, and adjusting, based on the estimated output... Agent: Vidatronic, Inc.

20140266106 - Ldo and load switch supporting a wide range of load capacitance: A novel architecture and method to maintain stability of a low drop-out (LDO)/load switch linear voltage regulator (LVR). The architecture and method also support optionally determining, during a power-up phase and by a capacitance sensing circuit, an estimated output capacitance value at an output node of the LDO/load switch LVR,... Agent:

20140266105 - Low drop out regulator and current trimming device: A regulator comprises an amplifier, a bias circuit, and a current trimming circuit. The bias circuit is coupled to the amplifier and supplies a first bias current to the amplifier in a first mode of a system including the regulator. The current trimming circuit is coupled to the bias circuit... Agent: Macronix International Co., Ltd.

20140266107 - Usb regulator with current buffer to reduce compensation capacitor size and provide for wide range of esr values of external capacitor: A voltage regulator comprises a large gm current buffer driver added between a first stage of an operation amplifier and a last stage power transistor. This current buffer allows a significant reduction in the maximum internal and external compensation capacitances needed for regulator stability. The current buffer compensation circuit allows... Agent:

20140266110 - Duty-cycle dependent slope compensation for a current mode switching regulator: An electronic circuit may output a slope compensation signal for performance of slope compensation of a current mode switching regulator. The circuit may generate a voltage across a storage device that is supplied to a voltage-to-current converter, which may generate a first current in response to the supplied voltage. Current... Agent:

20140266114 - Method of operating voltage regulator: A voltage regulator circuit comprises an amplifier having an inverting input and a non-inverting input. The amplifier is configured to generate a control signal based on a reference signal at the inverting input of the amplifier and a feedback signal at the non-inverting input of the amplifier. The voltage regulator... Agent: Taiwan Semiconductor Manufacturing Company, Ltd.

20140266111 - Multiphase converter controller with current balance: A multiphase converter controller with current balance, configured to control a plural converting circuit to commonly supply an output voltage, is disclosed. The multiphase converter controller comprises a feedback circuit, a fixed on-time circuit, and a multiphase logical circuit. The feedback circuit detects the output voltage to generate a feedback... Agent: Green Solution Technology Co., Ltd.

20140266112 - Power regulator system with adaptive ramp signal generator: One embodiment includes a power regulator system. The system includes a switch control stage configured to generate at least one activation signal based on a pulse-width modulation (PWM) signal and to control a respective at least one switch to generate an output voltage. The system also includes a feedback stage... Agent:

20140266108 - Single supply amplifier with swing to ground: An amplifier circuit has a voltage input terminal, for receiving Vin, and a voltage output terminal, for outputting Vout. A feedback circuit controls Vout to match Vin. A differential input stage receives Vin and Vout and generates a first output signal. An output stage comprises a pull down circuit for... Agent: Linear Technology Corporation

20140266109 - Systems and methods for reducing voltage ringing in a power converter: In accordance with embodiments of the present disclosure, systems and methods may include an input configured to indicate a switching node voltage of a switching node of a power converter comprising a first switch device coupled at its non-gate terminals between a ground voltage and the switching node and a... Agent: Cirrus Logic, Inc.

20140266115 - Voltage regulator circuit: A voltage regulator circuit includes a transistor and a capacitor. The transistor includes a gate, a source, and a drain, a first signal is inputted to one of the source and the drain, a second signal which is a clock signal is inputted to the gate, an oxide semiconductor layer... Agent: Semiconductor Energy Laboratory Co., Ltd.

20140266113 - Voltage regulators with multiple transistors: A voltage regulator has an input terminal and a ground terminal. The voltage regulator includes a high-side device, a low side device, and a controller. The high-side device is coupled between the input terminal and an intermediate terminal. The high-side device includes first and second transistors each coupled between the... Agent: Volterra Semiconductor Corporation

20140266121 - Device for controlling a switching mode power supply: An apparatus for controlling an output voltage of a switching mode power supply (SMPS) by adjusting a switching duty ratio is provided. A comparator outputs a state signal varying depending on a comparison result between an output voltage of the SMPS and a reference voltage. A clock generator generates an... Agent: Foundation Of Soongsil University-industry Cooperation

20140266116 - Digitally controlled current mode power converter: A current mode converter includes a converter stage comprising a first switch, a second switch, an inductor, and a capacitor, and a digital-to-analog converter configured to convert a digital target current signal to an analog current signal. The current mode converter further includes a slope compensation circuit coupled to the... Agent:

20140266120 - Internal compensation for power management integrated circuits: A voltage regulator integrated circuit comprises a control circuit driving at least one power switch to provide a regulated voltage at an output of an inductor/capacitor (LC) circuit coupled to the at least one power switch; an error amplifier having a first input coupled to a feedback signal representative of... Agent: Intersil Americas LLC

20140266119 - Non-linear control for voltage regulator: Described is an apparatus having a non-linear control to manage power supply droop at an output of a voltage regulator. The apparatus comprises: a first inductor for coupling to a load; a capacitor, coupled to the first inductor, and for coupling to the load; a first high-side switch couple to... Agent:

20140266117 - Systems and methods for 100 percent duty cycle in switching regulators: The present disclosure includes systems and methods for 100% duty cycle in switching regulators. A switching regulator circuit includes a ramp generator to produce a ramp signal having a period and a comparator to receive the ramp signal and an error signal, and in accordance therewith, produce a modulation signal.... Agent: Qualcomm Incorporated

20140266118 - Voltage regulator: A voltage regulator includes a driving circuit, a feedback circuit, first and second control circuits and a resistor. The driving circuit is coupled to an input node and an output node and generates an output voltage at the output node from an input voltage at the input node. The feedback... Agent: Taiwan Semiconductor Manufacturing Company , Ltd.

20140266122 - Apparatus and methods for transient compensation of switching power regulators: Apparatus and methods for generating a drive signal of a switching signal are disclosed. A first circuit receives an oscillating reference signal, a first compensation signal, a second compensation signal, and a third compensation signal. The first compensation signal is indicative of an error between an output voltage of a... Agent: Analog Devices Technology

20140266124 - Switching-capacitor regulator with charge injection mode for high loading current: A switching-capacitor regulator with a charge injection mode for a high loading current is provided, where the switching-capacitor regulator is used to generate an output voltage at an output node, and the switching-capacitor regulator includes a storage capacitor, a switch module, a current source and a control unit. The switch... Agent: Silicon Motion Inc.

20140266123 - Truncated ramp waveforms in switching regulators: The present disclosure includes systems and methods using truncated ramp signal in switching regulators. In one embodiment, a switching regulator includes a truncated ramp generator to produce a truncated ramp signal comprising a ramp component and a constant component. A comparator receives the truncated ramp signal and a first signal,... Agent: Qualcomm Incorporated

20140266125 - Buck-boost voltage converter circuits for solid state lighting apparatus: A voltage converter includes a converter circuit and a control circuit coupled to the converter circuit and configured to selectively operate the converter circuit in a boost mode or a floating buck mode in response to a level of an input voltage supplied to the voltage converter circuit. The converter... Agent: Cree, Inc.

20140266126 - Systems and methods for edge control in a switched output stage: In accordance with embodiments of the present disclosure, systems and methods may include a switch coupled at its gate terminal to an input signal voltage, the input signal voltage for controlling a gate voltage of a gate terminal of a driver device coupled at its non-gate terminals between a rail... Agent: Cirrus Logic, Inc.

20140266127 - Low power and dynamic voltage divider and monitoring circuit: A voltage divider circuit is provided that automatically and dynamically adjusts its voltage divider chains as a supply voltage changes. The voltage divider circuit includes a plurality of voltage divider branches having different divider factors to divide the supply voltage and obtain a divided supply voltage. Additionally, a control circuit... Agent: Qualcomm Incorporated

20140266129 - Method and system for regulating battery voltages in handheld/portable electronic systems: A power supply circuit (1) for powering a load device (10) with the requirements of a high power burst at a low duty cycle. The power circuitry includes; a power source (2), a voltage comparator (3) which makes sure that the power source has enough power for the system, a... Agent: Delorme Publishing Co

20140266128 - Transient suppression with lossless steady state operation: A power supply efficiently suppresses transient voltages by storing the maximum charge expected in the transient and releasing it during the transient event at a rate in an equal but opposite amount to the transient, preventing the battery voltage from collapsing. The described power supply provides improved efficiency compared to... Agent:

20140266136 - Hybrid digital pulse width modulation (pwm) based on phases of a system clock: Pulse width modulation (PWM) based on selectable phases of a system clock may be implemented with respect to leading-edge-modulation (LEM), trailing-edge-modulation (TEM), and/or dual-edge-modulation. An initial pulse may be generated based on a duty command, synchronous with the system clock, and may be registered with a D flip-flop under control... Agent:

20140266135 - Multi-level step-up converter topologies, control and soft start systems and methods: A multi-level, step-up converter circuit includes an inductor including one terminal in communication with an input voltage supply. N transistor pairs are connected in series, where N is an integer greater than one. First and second transistors of a first pair of the N transistor pairs are connected together at... Agent: Maxim Integrated Products, Inc.

20140266131 - Power converter circuit: A power converter circuit includes an input and an output. A supply circuit is configured to receive an input signal from the input and to generate a number of supply signals from the input signal. A number of converter units are provided. Each of the plurality of converter units is... Agent: Infineon Technologies Austria Ag

20140266133 - Power converting circuit and control circuit thereof: A power converting circuit includes an upper gate switch, a transistor, a current source circuit, a comparator circuit, a delay circuit, and a pulse width modulation signal generating circuit. The transistor and the current source circuit provide a reference signal. The comparator circuit generates a comparing signal according to the... Agent: Richtek Technology Corporation

20140266132 - Reconfigurable switched capacitor power converter techniques: An apparatus for converting a first voltage into a second voltage includes a reconfigurable switched capacitor power converter having a selectable conversion gain. converter includes a cascade multiplier switched capacitor network having capacitors, each of which electrically connects to a stack node and to a phase node. A controller causes... Agent: Arctic Sand Technologies, Inc.

20140266134 - Soft start systems and methods for multi-stage step-up converters: A control circuit for a step-up converter includes a soft start module configured to control states of N transistor pairs of the step-up converter, where N is an integer greater than two. A driver module is in communication with the soft start module and configured to generate a first signal... Agent: Maxim Integrated Products, Inc.

20140266130 - Voltage regulators with kickback protection: The subject matter of this document can be embodied in a method that includes a voltage regulator having an input terminal and an output terminal. The voltage regulator includes a high-side transistor between the input terminal and an intermediate terminal, and a low-side transistor between the intermediate terminal and ground.... Agent: Volterra Semiconductor Corporation

20140266137 - Current generator, method of operating the same, and electronic system including the same: A current generator includes a first current generation circuit configured to generate a first current having a first current noise which depends on a change in a supply voltage, a second current generation circuit configured to generate a second current having a second current noise which depends on the change... Agent: Samsung Electronics Co., Ltd.

20140266138 - Band gap reference circuit: A band gap reference circuit is provided that includes a first resistor (R1), a second resistor (R2), a third resistor (R3), a fourth resistor (Ra), a fifth resistor (Rb), a capacitor (Ca), an operational amplifier A, a first field effect transistor (FET) (P1), a second FET (P2), a third FET... Agent: Taiwan Semiconductor Manufacturing Company Limited

20140266139 - Bandgap reference circuit: A circuit for generating a temperature-stabilized reference voltage on a semiconductor chip includes a differential amplifier having a first input, a second input and an output. The circuit further includes a CTAT circuit configured to generate a CTAT voltage at an output thereof. A first resistor is coupled between the... Agent:

20140266140 - Voltage generator, a method of generating a voltage and a power-up reset circuit: A voltage generator is provided which is reliable, self starting and only requires a few components. The voltage generator comprises a first stage that provides a current to a second stage. The first stage has a temperature coefficient of one sign, such as positive, and the second stage has an... Agent: Analog Devices Technology

20140266141 - Digital voltage compensation for power supply integrated circuits: Systems and methods for digital voltage compensation in a power supply integrated circuit are provided. In at least one embodiment, a method comprises receiving a digital voltage code, the digital voltage code corresponding to an output voltage value; setting an output count on a first counter to change from a... Agent: Intersil Americas LLC

20140266142 - Switching module for voltage regulator: The present disclosure provides techniques for an improved switching module for voltage regulators or transformers with voltage regulating taps. The switching module disclosed herein includes a first bypass switch and a second bypass switch coupled to the first bypass switch, at least one prime mover coupled to and configured to... Agent: Cooper Technologies Company

20140266143 - Voltage regulator: A method includes receiving, at a voltage regulator, an activity adjustment signal from a digital circuit. The method also includes controlling one or more variable impedance elements of the voltage regulator to modify an output voltage provided to the digital circuit. The output voltage is based at least in part... Agent: Qualcomm Incorporated

20140266144 - On-chip power converter circuit and on-chip power supply using the power converter circuit: An on-chip power converter and an on-chip switching power supply implemented using a film bulk acoustic resonator (FBAR) in place of an inductor. This MEMS device offers high inductance density and high Q factor. FBARs can be conveniently fabricated in a CMOS compatible process. FBARs also shows better EMI results... Agent: Univeristy Of Utah Research Foundation

20140266145 - Power flow control apparatus: A power flow control apparatus comprising a current distribution circuit arranged to distribute an input current into a plurality of branches such that the input current is distributed into a plurality of individual branch currents; wherein each of the plurality of branches includes an inductive arrangement arranged to form an... Agent: City University Of Hong Kong

20140266146 - Current distribution apparatus: A current distribution apparatus comprising a common current source arranged to deliver an input current into a plurality of branches such that the input current is distributed into a plurality of individual branch currents, wherein each of the plurality of branches includes an inductive arrangement arranged to form an inductive... Agent: City University Of Hong Kong

  
09/11/2014 > 70 patent applications in 18 patent subcategories.

20140253056 - Power supply with adaptive-controlled output voltage: A power supply circuit includes a pre-regulator configured to receive an input voltage and to generate an output voltage, and a switching current regulator coupled to an output of the pre-regulator and configured to regulate a level of current supplied to an output load. The switching current regulator is controlled... Agent: Cree, Inc.

20140253057 - Compensation scheme to improve the stability of the operational amplifiers: A right-half plane (RHP) zero (RHZ) compensation scheme to improve the stability of the operational amplifier. A resistance RZ is implemented by a transistor. This transistor tracks process variations of the transistor drive by the op-amp to achieve better stability without requiring a bandwidth reduction. As a current source is... Agent: Sandisk Technologies Inc.

20140253058 - Controller for a power converter and method of operating the same: A controller for use with a power converter including a switch configured to conduct to provide a regulated output characteristic at an output of the power converter, and method of operating the same. In one embodiment, the controller includes a linear control circuit, coupled to the output, configured to provide... Agent: Enpirion, Inc.

20140253059 - Adaptive switching voltage regulator: Exemplary embodiments are related to a switching voltage regulator. A device may include a first transistor having a gate configured to receive a first signal and a second transistor having a gate configured to receive a second signal. The device may also include a controller configured to measure at least... Agent: Qualcomm Incorporated

20140253062 - Apparatus and methods for bidirectional current sensing in a switching regulator: Apparatus and methods for current sensing in switching regulators are provided. In certain implementations, a switching regulator includes a switch transistor, a replica transistor, a current source, a sense resistor, and a current sensing circuit. The drain and gate of the switch transistor can be electrically connected to the drain... Agent: Analog Devices Technology

20140253063 - Current balancing in a multi-phase power supply: According to example configurations herein, a controller is operated in a control mode (such as a high-speed control mode) in which the controller controls multiple phases in the power supply to produce an output voltage. The output voltage produced by the controller supplies current to power a dynamic load. While... Agent:

20140253061 - Skip mode method and system for a current mode switching converter: A method and system to inhibit the switching of a current mode switching converter having high and low side switching elements coupled to an output inductor, the other end of which is coupled to an output node, and operated with respective modulated switching signals to regulate an output voltage Vout... Agent: Analog Devices Technology

20140253060 - Voltage converter: A voltage converter includes a constant on time signal generator, a first transistor, a second transistor, an inductor, and a ripple injection circuit. The constant on time signal generator generates a first driving signal and a second driving signal. The ripple injection circuit receives an output signal and generates a... Agent: Excelliance Mos Corporation

20140253064 - Buck dc-dc converter with improved accuracy and stability: A buck switching regulator includes a feedback control circuit including a balanced feedback network including first and second gain circuits configured to generate first and second feedback signals, respectively, indicative of the regulated output voltage; a ripple generation circuit configured to inject a first ripple signal to the first gain... Agent:

20140253066 - Power circuit: According to one embodiment, a power circuit includes an input terminal 1 to which a DC input voltage is applied, an output terminal 2, a first DCDC converter which receives the DC input voltage and supplies a first phase output current to the output terminal 2, a second DCDC converter... Agent: Kabushiki Kaisha Toshiba

20140253065 - Reducing high-frequency noise in pulse-skipping mode of a voltage regulator: Embodiments of systems, methods and apparatuses of a voltage regulator are disclosed. One apparatus of the voltage regulator includes a series switch element, wherein the series switch element comprises a plurality of partitioned series switch elements, a shunt switch element, and a switching controller. The switching controller is operative to... Agent: R2 Semiconductor, Inc.

20140253070 - Constant voltage circuit: The constant voltage includes a sense transistor through which a sense current flows based on an output current flowing through an output transistor; a current division circuit for dividing the sense current and outputting divided currents; a first current to voltage conversion circuit for converting a first division current output... Agent: Seiko Instruments Inc.

20140253067 - Low drop out voltage regulator: A low drop out voltage regulator comprising: a transistor having an input node, an output node, and a control node; a differential amplifier having an output connected to the control node of the transistor and having a first input node; and a feedback capacitor connected between the output node of... Agent: Analog Devices Technology

20140253068 - Voltage regulator: Provided is a voltage regulator capable of controlling an output voltage to a predetermined voltage quickly after an overshoot occurs in the output voltage. The voltage regulator includes: an overshoot detection circuit configured to detect a voltage that is based on an output voltage of the voltage regulator, and output... Agent: Seiko Instruments Inc.

20140253069 - Voltage regulator: Provided is a voltage regulator capable of controlling an output voltage to a predetermined voltage quickly after an undershoot occurs in the output voltage. The voltage regulator includes: an undershoot detection circuit configured to detect a voltage that is based on an output voltage of the voltage regulator, and output... Agent: Seiko Instruments Inc.

20140253071 - System and method for a power supply: In accordance with an embodiment, a method of controlling a power supply node includes measuring a voltage of the power supply node, determining a first current based on the measuring, determining a first current and a second current based on the measuring, and summing the first current and the second... Agent:

20140253073 - Bi-directional voltage positioning circuit, voltage converter and power supply device including the same: A bi-directional voltage positioning circuit includes a voltage to current converter, a current mirror circuit and a switch. The voltage to current converter converts a sensing voltage to a first current, and the sensing voltage is sensed based on a current flowing through an output coil connected between a switching... Agent:

20140253072 - Voltage regulators with improved startup, shutdown, and transient behavior: A soft-start/soft-stop (SS) controller for a voltage regulator. The SS controller includes a power up/down detector configured to perform at least one selected from a group consisting of detecting a power on condition of the voltage regulator to determine a start-up time period and detecting a power off condition of... Agent: Vidatronic, Inc.

20140253077 - Drive enhancement in switch driver circuitry: A driver circuitry includes a capacitor, a first switch, and a second switch. The capacitor includes a first node and a second node. The first switch is electrically coupled to the first node of the capacitor. The second switch is electrically coupled to the second node of the capacitor. Additionally,... Agent:

20140253078 - Load drive circuit: An open load and a supply fault are differentiated between and detected with a simple configuration. A switching element (Q1) connected between the positive electrode of a direct current power supply and an output terminal (9) is caused to carry out a switching operation, thereby driving a load (7) connected... Agent: Fuji Electric Co., Ltd.

20140253075 - Switching power converter: Exemplary embodiments are related to a switching power converter. A device may include a switching unit configured to receive an input voltage and convey an output voltage. The device may further include a feedback path including a pulse-width modulator having an input directly coupled to the output voltage and configured... Agent: Qualcomm Incorporated

20140253074 - Transfer function generation based on pulse-width modulation information: Exemplary embodiments are related to generating an error correction voltage and/or a compensation voltage based upon pulse-width modulation information. A device may include a pulse-width modulator configured to receive a first input voltage and convey a modulated output voltage. The device may also include a filtering unit including at least... Agent: Qualcomm Incorporated

20140253076 - Voltage regulator: Provided is a voltage regulator capable of, when an overshoot or undershoot occurs in an output voltage, improving the overshoot or undershoot in a wide temperature range and reducing a delay in detection of the overshoot or undershoot. The voltage regulator includes: an error amplifier; an output transistor; and a... Agent: Seiko Instruments Inc.

20140253079 - Switching converter with adaptive off time control and the method thereof: A switching converter having a power stage with a main switch to convert an input voltage to an output voltage; a current sense circuit generating a current sense signal indicative of a current flowing through the main switch; a PWM generator generating a PWM signal; an OFF time controller generating... Agent: Chengdu Monolithic Power Systems Co., Ltd.

20140253082 - Buck dc-dc converter with improved accuracy: A buck switching regulator includes a feedback control circuit including a feedback network including first and second gain circuits configured to generate first and second feedback signals, respectively, indicative of the regulated output voltage; a ripple generation circuit configured to inject a ripple signal to the first gain circuit; an... Agent:

20140253080 - Method and apparatus for advanced pulse skipping control in buck regulators: A method and apparatus for determining the entry and exit from a pulse skipping mode in a power supply is provided. The power supply may incorporate a buck regulator. The method begins when current is sensed at an inductor of a power supply. This sensed current is then compared with... Agent: Qualcomm Incorporated

20140253081 - Switching voltage regulator: Exemplary embodiments are related to a switching voltage regulator. A switching voltage regulator may include a current limit detector configured to detect an over-current condition. The switching voltage regulator may further include a pulse-width modulation (PWM) module coupled to the current limit detector and configured to convey a PWM signal... Agent: Qualcomm Incorporated

20140253083 - Controlling current in a switching regulator: In one aspect, this disclosure relates to a method of controlling current output from a switching regulator to a load via an inductor. Inductor current information can be sampled at a peak level, such as just before a transistor configured to cause current to flow through the inductor is turned... Agent: Analog Devices Technology

20140253084 - Power converter control circuit: A power converter control circuit includes a feedback circuit and a pulse width modulation signal generating circuit for configuring a power stage circuit to provide power to a load. The feedback circuit generates a first gain signal and a second gain signal according to an output voltage sensing signal coupled... Agent: Richtek Technology Corporation

20140253085 - Digital programmable control systems: A digital programmable control system, which is composed of a micro control module receives a detection result by using a detection module to detect a voltage and a current on a battery module and a bus module, and a judgment program in the micro control module determines whether the detection... Agent: Chung Shan Institute Of Science And Technology, Armaments Bureau, M.n.d

20140253086 - Using synchronous converter in asynchronous mode to prevent current reversal during battery charging: Efficiency of a switch mode power supply (SMPS) is optimized by operating the SMPS in an asynchronous mode when current being supplied therefrom is less than a certain current value and operating the SMPS in a synchronous mode when the current being supplied therefrom is equal to or greater than... Agent: Microchip Technology Incorporated

20140253087 - Fixed voltage generating circuit: A fixed voltage generating circuit includes a current mirror, a differential pair, and a resistor coupled to the current mirror. A node of the resistor is coupled to a voltage source. The differential pair includes two resistors coupled to the voltage source for enabling the differential pair to output a... Agent: Richwave Technology Corp.

20140253088 - Fixed voltage generating circuit: A fixed voltage generating circuit includes a current mirror, a differential pair, and a resistor coupled to the current mirror. A node of the resistor is coupled to a voltage source. The differential pair includes two resistors coupled to the voltage source to enable the differential pair outputting a stable... Agent: Richwave Technology Corp.

20140253089 - Apparatus and methods for switching regulator current sensing: Apparatus and methods for current sensing in switching regulators are provided. In certain implementations, a switching regulator includes a switch transistor, a replica transistor, a sense resistor, and a current sensing circuit. The drain and gate of the switch transistor can be electrically connected to the drain and gate of... Agent: Analog Devices Technology

20140253090 - Configurable integrated circuit enabling multiple switched mode or linear mode power control topologies: An integrated circuit is operable for implementing any of multiple switched mode or linear power control topologies. The integrated circuit includes a control unit, and functional blocks each of which includes circuitry. The control unit is operable selectively to enable particular ones of the functional blocks in response to an... Agent: Atmel Corporation

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