Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
10/2005
10/27/2005US20050237770 Stabilized Power Supply
10/27/2005US20050237688 Current limit protection scheme for pwm buck converter with synchronous rectifier
10/27/2005US20050237143 Transformer for switching power supply
10/27/2005US20050237106 Constant-current generating circuit
10/27/2005US20050237103 Area efficient charge pump
10/27/2005US20050237102 Semiconductor integrated circuit device
10/27/2005US20050237091 Error-compensated charge pump circuit, and method for producing an error-compensated output current from a charge pump circuit
10/27/2005US20050237046 Low loss DC/DC converter
10/27/2005US20050237043 Power circuit
10/27/2005US20050237042 Switching power supply circuit and semiconductor device integrating the same
10/27/2005US20050237041 Quasi average current mode control scheme for switching power converter
10/27/2005US20050237040 Switch controller for a power control system and method therefor
10/27/2005US20050237039 Semiconductior device and memory card using same
10/27/2005US20050237038 Static electric power converter for modulating electric power exchanged between at least a voltage source and a current source
10/27/2005US20050237037 Switching power supply controller system and method
10/27/2005US20050237032 Circuitry and control method for charging capacitive loads
10/27/2005US20050237001 Light emitting display device and drive control method thereof
10/27/2005US20050236904 Switching power supply device
10/27/2005US20050236903 Pulse width modulation signal generator
10/27/2005DE202005013110U1 Voltage output circuit for a voltage supply has a high voltage and multiple low voltages based on a value of electricity and the operating status of a direct current voltage
10/27/2005DE10328623B4 Konverterschaltung und Brennkraftmaschine Converter circuit and internal combustion engine
10/27/2005DE102005016810A1 Electronic circuit coupled to inductive loads has a tuning function for precise current correction for component variations
10/27/2005DE102005006131A1 Load adjustment circuit for non-volatile memory array e.g. erasable programmable ROM, has control unit enabled to decrease power supplied to load if power supplied to load is greater than maximum threshold
10/27/2005DE102004017146A1 Schaltwandler mit wenigstens zwei Wandlerstufen Switching Converters with at least two converter stages
10/27/2005DE102004016944A1 Wandlerschaltung mit gekoppelten Induktivitäten Converter circuit with coupled inductors
10/27/2005DE102004016920A1 Verfahren zum Schalten einer Spannungsversorgung von Spannungsdomänen einer Halbleiterschaltung und entsprechende Halbleiterschaltung A method for switching a power supply voltage domains of a semiconductor circuit, and corresponding semiconductor circuit
10/27/2005DE102004015621A1 Schaltstromrichter Switching power converters
10/26/2005EP1589791A2 Bypass device for bypassing an electric load
10/26/2005EP1589649A2 Method and system for providing a temperature compensated feedback signal
10/26/2005EP1589648A2 A DC/DC three-phase converter
10/26/2005EP1589647A2 Current-voltage converter and relative control circuit
10/26/2005EP1589348A1 Technique for calibrating a current control circuit
10/26/2005EP1588477A1 Device and method for converting an ac voltage
10/26/2005EP1588476A1 Digital state controller for a high-voltage generator using the mixed-mode modulation method
10/26/2005EP1588475A1 A charge pump circuit
10/26/2005EP1588474A1 Cuk converter with inductors and capacitors on both power lines
10/26/2005CN2737059Y High-frequency switching power supply module device
10/26/2005CN2737058Y Loop control unit (LCU) for high-frequency switching power supply module
10/26/2005CN1689230A Voltage generating circuit, voltage generating device and semiconductor device using the same, and driving method thereof
10/26/2005CN1689217A Switching power supply
10/26/2005CN1689216A Variable charge pump circuit with dynamic load
10/26/2005CN1688951A Modular charge pump architecture
10/26/2005CN1688091A Small inductance boost type DC converter
10/26/2005CN1688090A Multipath CD signal switch circuit
10/26/2005CN1688089A Ultra-small DC-DC module power and making method thereof
10/26/2005CN1687857A Low harmonic current power regulating method and apparatus
10/25/2005USRE38846 Multi-phase converter with balanced currents
10/25/2005US6958922 High output power quasi-square wave inverter circuit
10/25/2005US6958921 Push/pull-type control signal generating circuit and method thereof
10/25/2005US6958920 Switching power converter and method of controlling output voltage thereof using predictive sensing of magnetic flux
10/25/2005US6958919 Zero voltage switching power conversion circuit for a cold cathode fluorescent lamp
10/25/2005US6958595 Step-up/step-down DC-DC converter and portable device employing it
10/25/2005US6958594 Switched noise filter circuit for a DC-DC converter
10/25/2005US6958593 Power supply apparatus
10/25/2005US6958592 Adaptive delay control circuit for switched mode power supply
10/20/2005WO2005099075A1 Control method and controller of pwm cyclo-converter
10/20/2005WO2005099074A1 Inductive load current control circuit and power supply
10/20/2005WO2005099073A1 Power supply
10/20/2005WO2005099062A1 Capacitor control system
10/20/2005US20050232651 Power source control apparatus, and power source control method
10/20/2005US20050232013 Nonvolatile semiconductor memory device
10/20/2005US20050231990 Semiconductor device
10/20/2005US20050231989 Drive circuit and power supply apparatus
10/20/2005US20050231988 Digital power control system
10/20/2005US20050231987 Method and system for providing a temperature compensated feedback signal
10/20/2005US20050231985 Voltage up converter
10/20/2005US20050231984 Switching power converter
10/20/2005US20050231263 Driver circuit
10/20/2005US20050231253 Current driver employing pulse-width modulation
10/20/2005US20050231183 Driver with control interface facilitating use of the driver with varied DC-to-DC converter circuits
10/20/2005US20050231181 Buck converter with low loss current measurement
10/20/2005US20050231177 Power supply device and switching power supply device
10/20/2005US20050231176 Conversion circuit for discriminating sourcing current and sinking current
10/20/2005US20050231171 Discharging system for smoothing capacitor
10/20/2005US20050231133 LED power control methods and apparatus
10/20/2005US20050231127 Boost controller capable of step-up ratio control
10/20/2005US20050230746 Power semiconductor switching devices and power semiconductor devices
10/19/2005EP1587208A1 Buck converter with low loss current measurement
10/19/2005EP1587066A2 Write driver with improved boosting circuit and interconnect impedance matching
10/19/2005EP1586156A2 Pulse-width modular circuit and method for controlling a pulse-width modular circuit
10/19/2005EP1586153A2 Device and method for transmitting and proving the energy of capacitive actuators
10/19/2005EP1479156B1 Noise reduction in a power converter
10/19/2005EP1366560B1 Power efficient integrated charge pumps using clock gating
10/19/2005EP1097506B1 Switching power supply circuit
10/19/2005CN2735647Y Full-digitized electric servo control system power amplifier
10/19/2005CN2735646Y Computer PWM fan relay interface circuit
10/19/2005CN1685596A Regulation of bi-directional flyback converter
10/19/2005CN1685594A Power supply having two switch-mode power supply units
10/19/2005CN1685593A Switching power supply circuit
10/19/2005CN1685592A System and method for providing digital pulse width modulation
10/19/2005CN1685459A System and method for interleaving point-of-load regulators
10/19/2005CN1684352A Controller for power converter and its control method
10/19/2005CN1684351A Voltage detection circuit, power supply unit and semiconductor device
10/19/2005CN1684350A Time delay control scheme for a power supply with multiple outputs
10/19/2005CN1684349A DC converter
10/19/2005CN1684348A Driver for control interface convenient for driver and convertor circuit matching use
10/19/2005CN1684195A High voltage generating circuit preserving charge pumping efficiency
10/19/2005CN1224161C Switching power supply device
10/19/2005CN1224160C Three-level soft switching device
10/19/2005CN1223921C Control circuit for power sequence generator