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US20140097815 Powering Down Switching Regulator using a Ramped Reference Voltage  
Circuits and related methods for energy efficient battery supplied switching DC-to-DC regulators are disclosed. When entering a power-down state the energy in an output capacitor is harvested and...
US20140097816 CALIBRATION CIRCUIT FOR VOLTAGE REGULATOR  
A voltage regulator calibration circuit including a voltage regulator and a calibration unit is provided. The voltage regulator regulates an output voltage according to a reference voltage and a...
US20140176101 INTERNAL VOLTAGE GENERATION CIRCUITS  
An internal voltage generation circuit utilizing dual comparison signal generators and dual drivers to drive the internal voltage to a selected level. The second driver is responsive to a control...
US20110291630 MICROPROCESSOR PERFORMANCE AND POWER OPTIMIZATION THROUGH SELF CALIBRATED INDUCTIVE VOLTAGE DROOP MONITORING AND CORRECTION  
Disclosed is a digital voltage regulator system and method for mitigating voltage droop in an integrated circuit. If an unacceptable voltage droop is detected, the digital voltage regulator may...
US20130278190 Method for Adjusting a DC Voltage Intermediate-Circuit Voltage  
A method is disclosed for adjusting a voltage of a DC-voltage intermediate circuit in a battery system having a battery and a drive system. The battery is configured to output one selectable...
US20130027013 ERROR VOLTAGE GENERATION CIRCUIT, SWITCH CONTROL CIRCUIT COMPRISING THE SAME, AND POWER FACTOR CORRECTOR COMPRISING THE SWITCH CONTROL CIRCUIT  
The present invention relates to an error voltage generation circuit, a switch control circuit, and a power factor corrector. The error voltage generation circuit generates an error voltage using...
US20120126767 BUCK CONVERTER  
A buck converter includes a first electrical switch and a second electrical switch connected in series, a PWM module coupled to the gate of the first electrical switch through a first adjustable...
US20070114985 NON-LINEAR PWM CONTROLLER FOR DC-TO-DC CONVERTERS  
A nonlinear PWM controller for switching power supplies
US20140266118 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...
US20120319668 POWER SUPPLY CIRCUIT WITH PROTECTION CIRCUIT  
A power supply circuit includes a pulse width modulation (PWM) controller, a plurality of phase circuits connected to the PWM controller, and a protection circuit connected to the PWM controller...
US20120319669 HIGH EFFICIENCY BUCK-BOOST POWER CONVERTER  
A buck-boost power converter switches the switches thereof with a novel sequence and extends the switching periods of the switches to reduce the switching loss and conduction loss when the input...
US20120313608 HIGH EFFICIENCY BUCK-BOOST POWER CONVERTER  
A buck-boost power converter switches the switches thereof with a novel sequence and extends the switching periods of the switches to reduce the switching loss and conduction loss when the input...
US20120313607 HIGH EFFICIENCY BUCK-BOOST POWER CONVERTER  
A buck-boost power converter switches the switches thereof with a novel sequence and extends the switching periods of the switches to reduce the switching loss and conduction loss when the input...
US20140084888 POWER SUPPLY CIRCUIT AND HYSTERESIS BUCK CONVERTER  
A power supply unit converting a DC power supply using an inductor includes a feedback circuit dividing an output voltage being output from a first end of the inductor to convert the output...
US20110006606 VOLTAGE REGULATOR CIRCUIT  
A voltage regulator circuit includes: a first pulse generator configured to output a pulse whose level remains unchanged when an input signal of a first circuit is in a first period, and whose...
US20110291631 POWER SUPPLY CIRCUIT  
This invention offers a power supply circuit that is capable of improving a power factor as well as reducing a ripple current of an input/output of the power supply circuit due to switching of a...
US20120182001 LOW INPUT VOLTAGE BOOST CONVERTER OPERABLE AT LOW TEMPERATURES AND BOOST CONTROLLER THEREOF  
A low input voltage boost converter operable at low temperatures, comprising a boost controller and an NMOS transistor. The boost controller has a driver unit, a first inverter circuit, a second...
US20130027014 POWER SUPPLY CONTROLLER WITH AN INPUT VOLTAGE COMPENSATION CIRCUIT  
An example controller for a power supply includes a drive signal generator and a compensation circuit. The drive signal generator is to be coupled to control switching of a switch included in the...
US20140167723 Switching Regulator  
A switching regulator includes a lower gate switch and a transient help module. The lower gate switch is utilized for turning on and turning off according to a lower gate control signal. The...
US20120153900 TWO-WAY SWITCHING REGULATOR  
Two-way voltage switching may be performed using a single switch mode regulator circuit such that only control signals and feedback signals are used to select the direction of the power path. Such...
US20120200276 POWER SUPPLY CIRCUIT WITH SCALABLE PERFORMANCE AND METHOD FOR OPERATING THE POWER SUPPLY CIRCUIT  
A power supply circuit and a method for operating the power supply circuit are described. In one embodiment, a power supply circuit includes multiple power elements configured to convert an input...
US20120161735 PEAK CURRENT CONTROLLED SWITCHING VOLTAGE REGULATOR SYSTEM AND METHOD FOR PROVIDING A SELF POWER DOWN MODE  
A peak current controlled switching voltage regulator system and method for providing a self-power down mode. An on-chip voltage regulator integrated into an on-chip digital logic circuit provides...
US20140132235 CIRCUIT BOARD AND POWER SOURCE MANAGEMENT SYSTEM OF CIRCUIT BOARD  
A power source management system of a circuit board that comprises: a processor, comprising a core voltage input terminal; and a core voltage feedback terminal; and a voltage regulating member,...
US20080238390 Dynamically adjusted multi-phase regulator  
In some embodiments, a multi-phase converter with dynamic phase adjustment is provided.
US20120223692 SENSORLESS SELF-TUNING DIGITAL CURRENT PROGRAMMED MODE (CPM) CONTROLLER WITH MULTIPLE PARAMETER ESTIMATION AND THERMAL STRESS EQUALIZATION  
A multiphase controller for a DC-to-DC power supply includes logic to estimate parameters for multiple phases that provide a combined output at a load. The estimated parameters include a current...
US20130320946 MINIMUM ENERGY POINT TRACKING BUCK CONVERTER  
This invention involves with a low power IC (Integrated Circuit) with high energy efficiency. This invention describes a Buck converter that can track the minimum energy point of the load. It...
US20120153918 Protection Circuit for Protecting a Half-Bridge Circuit  
The present invention relates to a protection circuit for protecting a half-bridge circuit. The protection circuit detects an incorrect response of the half-bridge by monitoring the current of a...
US20120293254 VARIABLE SWITCHED DC-TO-DC VOLTAGE CONVERTER  
A voltage converter can be switched among two or more modes to produce an output voltage tracking a reference voltage that can be of an intermediate level between discrete levels corresponding to...
US20130162235 Power Supply Circuit  
A power supply circuit that includes a voltage conversion circuit (CONY) for outputting an output voltage to an output voltage terminal, the output voltage being stepped up or stepped down from an...
US20120098511 SYSTEMS AND METHODS FOR INTELLIGENTLY OPTIMIZING OPERATING EFFICIENCY USING VARIABLE GATE DRIVE VOLTAGE  
Systems and methods for intelligently optimizing voltage regulation efficiency for information handling systems by varying gate drive voltage value based on measured operating efficiency and/or...
US20130241512 STEP-UP SWITCHING POWER SUPPLY  
A hysteresis control step-up switching power supply includes a switching element. Current flowing through the switching element does not continue to increase indefinitely. The switching element is...
US20140361758 POWER SUPPLY CIRCUIT  
A power supply circuit has: an input terminal; an output terminal; and a digital power supply circuit and an analog power supply circuit connected in parallel between the input terminal and the...
US20140084887 DC-DC SWITCHING REGULATOR WITH TRANSCONDUCTANCE BOOSTING  
A switching regulator comprising a droop amplifier responsive to a reference voltage and a feedback voltage to generate a droop voltage. The droop amplifier includes a boost circuit configurable...
US20110273155 Hybrid Rectifier  
A hybrid voltage rectifier enables a switch mode DC-DC power converter to safely power an external dynamic load by way of a substantially lossless conductive coupling between an output filter of...
US20140191744 SWITCHING REGULATOR AND COMPARATOR-BASED ZERO CURRENT DETECTION METHOD USED BY THE SWITCHING REGULATOR  
Provided are a switching regulator and a comparator-based zero current detection method. The switching regulator comprises: a switch configured to connect to a switching node and control an...
US20130234691 DYNAMIC CONTROL PARAMETER ADJUSTMENT IN A POWER SUPPLY  
A power supply controller produces a compensation value based at least in part on: an estimated or known output capacitance of the power supply, a specified rate of changing a magnitude of the...
US20150115923 LOAD CURRENT READBACK AND AVERAGE ESTIMATION  
A switching regulator or other apparatus or techniques can include load current monitoring to provide a digital representation of an estimated load current. Load current monitoring can be...
US20120249105 POWER CONVERTER USING ORTHOGONAL SECONDARY WINDINGS  
A power conversion device includes a magnetic core; and a plurality of windings surrounding portions of the magnetic core, including a first set of windings defining a first magnetic flux path, a...
US20140292220 DRIVER CIRCUIT AND METHOD FOR DRIVING AN ELECTRICAL LOAD  
A driver circuit (11) for a current regulator (13), which can be coupled in series to an electrical load (14), comprises a control circuit (12) for controlling the current regulator (13). The...
US20110001461 Buck-boost switching regulator and control circuit and method therefor  
The present invention discloses a buck-boost switching regulator, and a control circuit and a method therefor, to convert an input voltage to an output voltage. The control method comprises:...
US20130038306 METHOD OF DETERMINING DC-DC CONVERTER LOSSES AND A DC-DC CONVERTER EMPLOYING SAME  
The present application provides a method of calculating DC-DC converter power losses without the requirement for a measurement of input current. The application also describes the use of such a...
US20140002047 FAST DYNAMIC VOLTAGE RESPONSE FOR VOLTAGE REGULATORS WITH DROOP CONTROL  
A dynamic voltage response network for a switching regulator with droop control providing a droop control signal includes a voltage identification setting network, a pass and hold system, and a...
US20080007236 Power converter with segmented power module  
According to an embodiment, a power converter system includes an output node at which an output voltage is provided. A segmented power module, coupled to the output node, has a plurality of...
US20120326686 POWER SUPPLY GENERATOR WITH NOISE CANCELLATION  
Techniques for performing noise cancellation/attenuation are disclosed. In one design, an apparatus includes a power supply generator having a switcher, a coupling circuit, an envelope amplifier,...
US20110221412 VOLTAGE CONVERTER AND LED DRIVER CIRCUITS  
A voltage converter circuit can include a boost converter having a switching transistor and configured to receive an input voltage, produce an output voltage and selectively operate in one of a...
US20140252965 Methods of Operating Switched Mode Power Supply Circuits Using Adaptive Filtering and Related Controller Circuits  
A method of operating a switched mode power supply circuit can be provided by determining an error in a control signal for the switched mode power supply circuit. The error can be compared to an...
US20120169126 BIDIRECTIONAL BUCK-BOOST CONVERTER  
A bidirectional buck-boost DC-DC converter is particularly well suited for applications where multiple bidirectional buck-boost DC-DC converters are connected in parallel to a common battery....
US20120139423 CONVERTER DEVICE  
A converter for feeding a load via an inductor with a current having a controlled intensity between a maximum level and a minimum level may include: a switch switchable on and off to permit or...
US20140132236 Slope Compensation Module  
A slope compensation module provides slope compensation of a switched-mode power supply using current mode control. The slope control unit comprises a capacitor coupled between an input and an...
US20130241514 FULL-BRIDGE CONVERTER WITH DIGITAL PULSE MODULATION (DPWM) FOR DRIVING A LOAD  
A method is described for driving a full-bridge circuit (34,64) comprising a circuit (31) generating a first output modulation signal (m1) and a second output modulation signal (m2) for...

Matches 1 - 50 out of 439 1 2 3 4 5 6 7 8 9 >