Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
12/2004
12/30/2004US20040264085 Energy storage system
12/30/2004US20040263239 Low power charge pump method and apparatus
12/30/2004US20040263238 Charge pump circuit incorporating corresponding parallel charge pump stages and method therefor
12/30/2004US20040263233 Low voltage circuit for interfacing with high voltage analog signals
12/30/2004US20040263231 Reconfigurable topology for switching and charge pump negative polarity regulators
12/30/2004US20040263139 Switching type dc-dc converter
12/30/2004US20040263136 Control circuit for DC/DC converter
12/30/2004US20040263135 Voltage converter
12/30/2004US20040263134 Current mode bang-bang controller in a switching voltage regulator
12/30/2004US20040262998 Dc voltage converting device
12/30/2004DE10038988B4 Spannungsumsetzer zum Erzeugen einer Ausgangsspannung aus einer Eingangsspannung Voltage converter for generating an output voltage from an input voltage
12/29/2004WO2004114511A2 Motor drive device, vehicle using the same, and computer-readable recording medium containing a program for causing a computer to execute control of voltage conversion
12/29/2004WO2004114509A1 Dead time control in a switching circuit
12/29/2004EP1492219A2 Power supply for plasma display panel
12/29/2004EP1492218A1 Low-consumption regulator for a charge pump voltage generator
12/29/2004EP1490958A2 Method and apparatus for controlling a synchronous rectifier
12/29/2004EP1490743A1 Multi-phase buck converter
12/29/2004EP1490742A1 Voltage regulator arrangement
12/29/2004CN1559103A Sputtering power-supply unit
12/29/2004CN1558539A Transformer clamping zero voltage switch three level full bridge converter and its expansion circuit
12/29/2004CN1182649C Self-driven synchronous rectification circuit for low output voltage DC-DC converters
12/29/2004CN1182648C Switching power supply unit
12/29/2004CN1182647C Soft switching full bridge circuit converter
12/29/2004CN1182646C Power supply unit
12/29/2004CN1182599C Piezoelectric transformer inverter
12/29/2004CN1181945C Power supply used in the welding, cutting and heating device
12/28/2004US6836417 Semiconductor integrated circuit with selectable power supply according to different operation modes
12/28/2004US6836416 Multi-output power conversion circuit
12/28/2004US6836415 Primary-side regulated pulse width modulation controller with improved load regulation
12/28/2004US6836414 PWM half-bridge converter with dual-equally adjustable control signal dead-time
12/28/2004US6836413 Current-powered converted with energy recovery clamping circuit
12/28/2004US6836393 Resonance type power supply unit
12/28/2004US6836178 Boosting circuit
12/28/2004US6836177 Step-up circuits
12/28/2004US6836176 Charge pump ripple reduction
12/28/2004US6836145 Programming circuit and method having extended duration programming capabilities
12/28/2004US6836103 Method and apparatus for dithering auto-synchronization of a multiphase switching power converter
12/28/2004US6836102 Booster type switching regulator
12/23/2004WO2004112230A1 Switch mode power circuit
12/23/2004WO2004112229A1 Determining reflected power
12/23/2004WO2004112228A1 Detecting magnetizing current
12/23/2004WO2004112227A1 Primary-side regulated pulse width modulation controller with improved load regulation
12/23/2004WO2004112226A1 Flyback power converter having a constant voltage and a constant current output under primary-side pwm control
12/23/2004WO2004112225A2 High efficiency off-line linear power supply
12/23/2004WO2004112170A2 Method and system for configuring power electronics in an electrochemical cell system
12/23/2004WO2004110207A1 Advanced handable skin care device and operating method thereof
12/23/2004WO2004045051A3 Controller for dc to dc converter
12/23/2004US20040257843 Energy converting device
12/23/2004US20040257842 Maximum power tracking technique for solar panels
12/23/2004US20040257839 Primary-side regulated pulse width modulation controller with improved load regulation
12/23/2004US20040257838 Multiple output converter with improved cross regulation
12/23/2004US20040257837 Self-driven circuit for synchronous rectifier DC/DC converter
12/23/2004US20040257836 Rapid current demand microprocessor supply circuit
12/23/2004US20040257835 Programmable AC/DC power supply
12/23/2004US20040257834 High output power quasi-square wave inverter circuit
12/23/2004US20040257833 Flyback power converter having a constant voltage and a constant current output under primary-side PWM control
12/23/2004US20040257166 Oscillating circuit and manufacturing method thereof
12/23/2004US20040257148 Voltage detection circuit and internal voltage generating circuit comprising it
12/23/2004US20040257057 DC/DC converter
12/23/2004US20040257056 Switching regulator with improved load transient efficiency and method thereof
12/23/2004US20040257055 No load to high load recovery time in ultraportable DC-DC converters
12/23/2004US20040257054 Method and apparatus for reducing audio noise in a switching regulator
12/23/2004US20040257052 Method for reducing the cost of voltage regulation circuitry in switch mode power supplies
12/23/2004US20040257051 DC-DC converter
12/23/2004US20040257048 Smart vrm to extend the battery life
12/23/2004US20040257004 Electronic ballast with ignition and operation control
12/23/2004US20040256998 High-efficiency power supply apparatus used with a display panel driving system and method thereof
12/23/2004US20040256917 System to vary capacitance based on a control signal
12/23/2004DE10322870A1 Operating process for a converter circuit for computers and televisions has inductive energy store and clock controlled switch in free and fixed conditions according to magnetization
12/23/2004DE10297493T5 Programmierbare Stromgeber-Schaltung zum Vorsehen einer kontinuierlichen Temperaturkompensation für Gleichstromumrichter Programmable current sensor circuit for providing a continuous temperature compensation for DC-DC converter
12/23/2004DE102004024612A1 Spannungserzeugungsschaltung Voltage generating circuit
12/23/2004DE10112537B4 Verfahren zur Ansteuerung eines Schalters in einem Schaltnetzteil und Schaltnetzteil Method for actuating a switch in a switching power supply and switch mode power supply
12/22/2004EP1489732A2 Self-excited switching power supply circuit
12/22/2004EP1489731A1 A circuit for controlling inductive loads, in particular of electro actuators, at high efficiency
12/22/2004EP1489730A2 Power distribution with digital current control
12/22/2004EP1489729A2 Method for reducing the cost of voltage regulation circuitry in switch mode power supplies
12/22/2004EP1488499A1 Power supply device comprising several switched-mode power supply units that are connected in parallel
12/22/2004CN2666030Y Storage device for regenerated energy
12/22/2004CN1556581A Power transducer common mode interference inhibiting method
12/22/2004CN1556580A DC/DC switch transducer using non DC bias magnetic integrated magnetic unit
12/22/2004CN1556579A Power factor correction transducer capable of parallel working
12/22/2004CN1181353C Predictive method for surplus life, temperature testing structure and electronic device
12/21/2004US6834001 Multi-stage switched capacitor DC-DC converter
12/21/2004US6834000 Double resonance high voltage converter with start-up
12/21/2004US6833753 Method and system for signal dependent boosting in sampling circuits
12/21/2004US6833752 High output high efficiency low voltage charge pump
12/21/2004US6833693 EMI reduction of power converters by way of controlled randomized modulation of oscillating signals
12/21/2004US6833692 Method and apparatus for maintaining an approximate constant current output characteristic in a switched mode power supply
12/21/2004US6833691 System and method for providing digital pulse width modulation
12/21/2004US6833690 Thermally compensated current sensing of intrinsic power converter elements
12/21/2004US6833689 Method for reducing the cost of voltage regulation circuitry in switch mode power supplies
12/21/2004US6833645 Micro-electromechanical voltage converter
12/20/2004CA2471685A1 Programmable ac/dc power supply
12/16/2004WO2004109900A1 A power device
12/16/2004WO2004109899A1 Voltage conversion device and electric car
12/16/2004WO2004109898A1 A dc/dc-rectifier with reduced losses
12/16/2004WO2004109897A1 Control system for a voltage converter.
12/16/2004WO2004066481A8 Device and method for transmitting and proving the energy of capacitive actuators
12/16/2004US20040252990 Capacitor strobe charging device utilizing current detection to determine malfunction, and strobe and camera using same
12/16/2004US20040252532 Power supply apparatus