Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
06/2014
06/04/2014EP2737604A1 Non-isolated ac-dc converter having a positive output buck-boost converter and pfc at input supply
06/04/2014CN203632570U 三电平逆变器静态直流输出驱动装置 Three-level inverter output static DC drives
06/04/2014CN203632568U 一种基于二十脉波整流与多管错相斩波的开关电源电路 Based on twenty-pulse rectifier tube-phase and multi-chopper switching power supply circuit
06/04/2014CN203632566U 一种用于led驱动的次级反馈高效集成多重保护恒压控制电路 Secondary feedback led drive for efficient integration of multiple protection voltage control circuit
06/04/2014CN203632563U 用于采集生理信号的医用电子仪器的电源装置 Power supply unit for acquiring physiological signals of medical equipment
06/04/2014CN203632561U Led电源电路及设备 Led power supply circuits and equipment
06/04/2014CN203632559U 一种功率单元的电源电路 The power supply circuit of a power unit
06/04/2014CN203632552U 便携式智能监测电源 Portable Power Intelligent Monitoring
06/04/2014CN203632551U 一种超强共模emi抑制性能的反激式开关电源 Emi an ultra strong common-mode rejection performance of flyback switching power supply
06/04/2014CN203632550U 一种开关模式电源及其控制电路 A switch-mode power supply and control circuit
06/04/2014CN203632549U 能馈式的led阵列接口电路 Energy feed-in led array interface circuit
06/04/2014CN203632548U 一种剩余电流断路器的电源电路 A residual-current circuit breaker of the power supply circuit
06/04/2014CN203632547U 一种提供大电流的双路+5v电源电路 A method of providing high current dual + 5v power supply circuit
06/04/2014CN203632546U 功率输出装置和计算机 Power output apparatus and computer
06/04/2014CN203632545U 一种移动电源升压电路 A mobile power boost circuit
06/04/2014CN103843240A Switching power supply circuit with protective function
06/04/2014CN103843239A Voltage conversion device control device and method
06/04/2014CN103843223A Charging device
06/04/2014CN103843215A Automatic power converter bypass
06/04/2014CN103841730A Line voltage compensation circuit used for LED drive
06/04/2014CN103841707A Load driving device related to light-emitting diodes
06/04/2014CN103840697A Active clamping high-gain single-stage inverter with pressure capable of being boosted
06/04/2014CN103840691A High-frequency link inverter of single-stage bidirectional buck DC converter type
06/04/2014CN103840689A High-voltage switch power source
06/04/2014CN103840686A High-efficiency power supply converter with integrated functions of PFC and DC conversion
06/04/2014CN103840681A Single-phase rectification circuit capable of controlling conduction angle
06/04/2014CN103840674A Self-adaptive current generating system and method of calibration direct-current mutual inductor
06/04/2014CN103840673A Flyback power supply regulation apparatus and methods
06/04/2014CN103840672A Switch converter using bipolar Darlington device as power switch device
06/04/2014CN103840671A Multi-output power supply
06/04/2014CN103840670A Energy-saving type high-frequency switching power source
06/04/2014CN103840669A Auxiliary power supply circuit adopting main power circuit
06/04/2014CN103840668A Design method for multiplexed output flyback converter based on power distribution control
06/04/2014CN103840667A Method and apparatus for on/off control of a power converter
06/04/2014CN103840666A Fixed on-time controller for switch power supply and with inductance and current slope compensation function
06/04/2014CN103840665A Circuit structure for achieving underclocking in speed-regulating switch
06/04/2014CN103840664A Constant-current control circuit, switching regulator, integrated circuit and constant-current control method
06/04/2014CN103840663A Pulse width modulation dc-dc converter
06/04/2014CN103840662A DC voltage-boosting chopper circuit
06/04/2014CN103840661A Buck power converter
06/04/2014CN103840660A Three-pipe voltage boost and buck device in wide voltage input range for grid-connection power supply
06/04/2014CN103840659A Schmidt micro-power consumption power supply
06/04/2014CN103840658A Power switch circuit of time calibration instrument
06/04/2014CN103840657A Power converter, and voltage balancing method of input capacitor
06/04/2014CN103840656A Charge pumping module and voltage generation method thereof
06/04/2014CN103840655A Charge pump
06/04/2014CN103840653A Circuit and method for generating reference voltage for power converter
06/04/2014CN103840651A Startup circuit, switching power source IC, and switching power source apparatus
06/04/2014CN103840646A Resonant converting device
06/04/2014CN102710028B Cable theft-proof monitoring system based on passive carrier communication
06/04/2014CN102655378B Isolated voltage converter circuit and control method thereof
06/04/2014CN102612209B Recoverable protective circuit of boosting LED (light emitting diode) driving power supply and design method of recoverable protective circuit
06/04/2014CN102594153B Vehicular direct-current converter
06/04/2014CN102594146B Buck circuit having fast transient response mechanism and operating method thereof
06/04/2014CN102570796B Multi-path output boosting converter
06/04/2014CN102570524B Controllable mirror current source charging circuit
06/04/2014CN102487199B Soft switching grid-connected inverter
06/04/2014CN102458912B Circuit arrangement for power distribution in a motor vehicle
06/04/2014CN102437847B Power converter and differential circuit
06/04/2014CN102340251B Alternating-current to direct-current converter and control circuit thereof
06/04/2014CN102318174B Output current sensing method in discontinuous DC-to-DC voltage converter
06/04/2014CN102308464B Method of improving efficiency of DC-DC switching circuit and DC-DC switching circuit control device
06/04/2014CN102227864B Multi-state dc-dc converters
06/04/2014CN102195483B Dead zone adjusting circuit with coarse adjustment function and fine adjustment function and method
06/03/2014US8743575 Switch mode pulse width modulated DC-DC converter with multiple power transformers
06/03/2014US8743574 Efficient power conversion for ultra low voltage micro scale energy transducers
06/03/2014US8743567 Multi-output voltage converter with switching arrangement and method for voltage conversion
06/03/2014US8743566 System and method for increasing DC power system efficiency without requiring a large battery reserve
06/03/2014US8743565 High power converter architecture
06/03/2014US8742838 Stacked structure with a voltage boosting supply circuit
06/03/2014US8742833 Charge pump circuit and method thereof
06/03/2014US8742832 Multi-step charge pump and method for producing multi-step charge pumping
06/03/2014US8742744 Sensor-less operation and detection of CCM and DCM operation modes in synchronous switching power converters
06/03/2014US8742743 Switching control circuit
06/03/2014US8742740 Digital peak input voltage detector for a power converter controller
06/03/2014US8742737 Switched-mode power supply controlling circuit and switched-mode power supply using the same
06/03/2014US8742678 Discharge lamp system for constant power control and controlling method of the same
06/03/2014US8742295 Inverter output rectifier circuit
06/03/2014US8742293 Inverter output rectifier circuit
05/2014
05/30/2014WO2014080757A1 Power source for resistance welding machine and resistance welding machine using power source
05/30/2014WO2014080671A1 Contactless power transmission system and power reception device
05/30/2014WO2014079129A1 Fast transient response dc-dc switching converter with high load regulation rate
05/30/2014WO2014079071A1 Contact-type electrically-conductive power supply board structure
05/30/2014WO2014055333A3 Medium voltage dc collection system with power electronics
05/30/2014WO2014026840A3 Electrical power distribution system for data centers
05/30/2014WO2014023446A4 Method for controlling a power stage
05/30/2014WO2013138220A3 Power supply that maintains auxiliary bias within target range
05/30/2014WO2013124296A3 Multi-phase converter
05/30/2014WO2013098814A3 A system, a method and a computer program product for controlling electric power supply
05/30/2014WO2013063387A3 Inductance based parallel amplifier phase compensation
05/29/2014US20140149764 Standby current reduction through a switching arrangement with multiple regulators
05/29/2014US20140146580 Cable compensation circuit and power supply including the same
05/29/2014US20140146579 Transistor gate driver with charge pump circuit for offline power converters
05/29/2014US20140146578 Systems and methods for constant voltage control and constant current control
05/29/2014US20140146577 Switching power supply apparatus
05/29/2014US20140146576 Dual gate drive circuit for reducing emi of power converters and control method thereof
05/29/2014US20140146575 Switching Converters Using Bipolar Darlington as Power Switching Device
05/29/2014US20140146574 Method for controlling a resonant-mode power supply and a resonant-mode power supply with a controller
05/29/2014US20140146573 Dc-dc converter and method for controlling the same
05/29/2014US20140146572 Power converter and method for balancing voltages across input capacitors
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