Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
04/2012
04/24/2012US8164926 Control circuit for a switched-mode power supply with regulation based on the secondary-side current flow time period
04/24/2012US8164925 Non-contact power feeder
04/24/2012US8164391 Synchronization of multiple high frequency switching power converters in an integrated circuit
04/24/2012US8164217 System and method for management of a DC and AC bus microgrid
04/19/2012WO2012049818A1 Ac/dc converter
04/19/2012WO2012049669A1 A method and circuit for increasing pwm resolution in digital controlled dc to dc converters
04/19/2012WO2012027681A3 Open loop dc to dc converters with enable/disable circuits
04/19/2012WO2011140218A3 Multiple output power supply
04/19/2012WO2011119355A3 Voltage regulator bypass resistance control
04/19/2012WO2011061688A3 Power supplying system
04/19/2012US20120092909 Power conversion apparatus
04/19/2012US20120092902 Phase angle measurement of a dimming circuit for a switching power supply
04/19/2012US20120092901 Power management in an electromagnetic transponder
04/19/2012US20120092900 Controller with punctuated switching control circuit
04/19/2012US20120092899 Dynamic converter topology
04/19/2012US20120092898 Alternating current to direct current power conversion
04/19/2012US20120092897 Power supply control device, power supply system and eletronic device
04/19/2012US20120092896 Switching power supply device
04/19/2012US20120092895 Circuit and Method for Potential-Isolated Energy Transfer with Two Output DC Voltages
04/19/2012US20120091979 High gain dc transformer
04/19/2012US20120091807 Method and apparatus for discharging the capacitors of a boost converter composed of plural bridge devices
04/19/2012DE102011114112A1 Systeme und Verfahren zum Steuern induktiver Energie in DC/DC-Umsetzern Systems and methods for controlling inductive energy in DC / DC converters
04/18/2012EP2442435A2 AD-DC converter
04/18/2012EP2442420A1 Power supply circuit and power supply method
04/18/2012EP2441164A1 Method and circuit arrangement for generating a pulsed voltage
04/18/2012EP2441163A2 High efficiency and low cost high voltage power converter
04/18/2012EP2441162A2 On-board electrical system for a motor vehicle and method for operating an electrical load
04/18/2012EP2441161A1 Dual drive system for transformer isolated half bridge and full bridge forward converters
04/18/2012EP2441151A2 Power harvesting circuit and method for serially coupled dc power sources
04/18/2012EP2441073A1 Method and circuit for charging and discharging a circuit node
04/18/2012EP2203971B1 Method of controlling of a switched-mode power supply and corresponding power supply
04/18/2012CN202197228U Circuit of isolating switch for regulating transformer band overlapping rectification output
04/18/2012CN202197224U 一种开关电源 A switching power supply
04/18/2012CN202197219U 由可调稳压器构成的自激式小功率负高压模块电源 By self-excited small power adjustable regulator constitutes a negative high voltage power modules
04/18/2012CN202197218U 移相全桥电路 Phase-shifted full-bridge circuit
04/18/2012CN202197217U 一种氢氟酸电解用开关电源 One kind of hydrofluoric acid electrolysis switching power supply
04/18/2012CN202197216U 电源调压控制器 Power regulator controller
04/18/2012CN202197215U 一种改进的高频头33v升压供电电路 An improved high-frequency power supply circuit 33v boost
04/18/2012CN202197214U 一种开关电源电路 A switching power supply circuit
04/18/2012CN202197213U Boost升压电路 Boost boost circuit
04/18/2012CN202197212U 用于消除电流模dc-dc变换器中斜坡补偿温度影响的电路结构 For eliminating circuit of the current-mode dc-dc converter to compensate for temperature effects slope
04/18/2012CN1996693B 故障控制电路及其方法 Fault control circuit and method
04/18/2012CN1870409B 用于产生高压的装置及其方法 Means for generating a high voltage and a method
04/18/2012CN1870407B Method for regulating an output signal and circuit therefor
04/18/2012CN102422519A Pfc变换器 Pfc converter
04/18/2012CN102422516A 转换器电路及包括该电路的电子系统 Converter circuit, and the circuit comprises an electronic system
04/18/2012CN102420602A 一种电源转换器及差分电路 A power converter and a differential circuit
04/18/2012CN102420541A 压电陶瓷驱动电源及驱动方法 PZT power and driving method
04/18/2012CN102420529A 一种反激拓扑中辅助绕组正激设计的电压变换电路 One kind of auxiliary winding flyback topology design forward voltage conversion circuit
04/18/2012CN102420528A Switching power supply device
04/18/2012CN102420527A 直流电源装置 DC power supply device
04/18/2012CN102420526A 一种电源转换器 A power converter
04/18/2012CN102420525A 一种改善开关电源多路输出交叉调整率电路 An improved multi-output switching power supply circuit cross regulation
04/18/2012CN102420524A Semiconductor device
04/18/2012CN102420523A Photovoltaic power converters and closed loop maximum power point tracking
04/18/2012CN102420522A System and method for open loop modulation to detect narrow PWM pulse
04/18/2012CN101635508B 高压变流器的简化驱动电路 Simplify the driving circuit high voltage converter
04/18/2012CN101610028B 能抑制扰动的电荷泵 Can suppress the disturbance of the charge pump
04/18/2012CN101534054B 单隔离组合升降压型多输入直流变换器 Single isolated buck-boost combination of multiple-input DC-DC converter
04/18/2012CN101529706B 电源控制电路 The power control circuit
04/18/2012CN101447737B 恒功率输出直流变换电路 Constant power output DC conversion circuit
04/18/2012CN101212176B 升压电路 Boost circuit
04/18/2012CN101202503B 电压控制电路 Voltage control circuit
04/18/2012CN101086673B 构成电压调节器的方法及其结构 Methods constitute a voltage regulator and its structure
04/18/2012CN101044679B 高精度零交叉检测器及其方法 High-precision zero-crossing detector and method
04/18/2012CN101013851B System and method for charging and discharging a superconducting coil
04/17/2012US8159847 Method and arrangement in connection with a brake chopper
04/17/2012US8159845 Current-sharing power supply apparatus
04/17/2012US8159839 Method and apparatus for implementing an unregulated dormant mode in a power converter
04/17/2012US8159838 Flyback converter system capable of preventing two side switches from being turned on simultaneously
04/17/2012US8159837 Integrated bias and standby power supply circuit
04/17/2012US8159091 Switch circuit of DC/DC converter configured to conduct various modes for charging/discharging
04/17/2012US8159054 Semiconductor device
04/12/2012WO2012047738A1 SINGLE μC-BUCKBOOST CONVERTER WITH MULTIPLE REGULATED SUPPLY OUTPUTS
04/12/2012WO2012047660A1 Average output current estimation using primary-side sensing
04/12/2012WO2012046526A1 Power transformer device
04/12/2012WO2012045586A1 Operating device for a luminous element having a low voltage power supply
04/12/2012WO2012045543A1 Voltage converter comprising at least one electromechanically acting switch, and a corresponding method
04/12/2012WO2012024542A9 Very high frequency switching cell-based power converter
04/12/2012WO2012009261A3 Reset voltage circuit for a forward power converter
04/12/2012WO2011143249A3 Lossless commutation during operation of a power converter
04/12/2012WO2011107780A3 Power supply apparatus
04/12/2012US20120087156 Method and apparatus for limiting maximum output power of a power converter
04/12/2012US20120087155 Ac-dc converter
04/12/2012US20120087154 Voltage supply device for a load
04/12/2012US20120087153 INDIRECT D. C. CONVERTER WITH A SWITCHING FREQUENCY BEING DEPENDENT ON THE LOAD AND THE INPUT VOLTAGE AND A DEAD TIME DEPENDING ON THE SWITCHING FREQUENCY (Also Known as CONTROL CIRCUITRY, VOLTAGE CONVERTER, METHOD, AND COMPUTER PROGRAM)
04/12/2012US20120086417 Converter controlling apparatus
04/12/2012US20120086062 Switching power supply device and a semiconductor integrated circuit
04/12/2012DE102010042029A1 Betriebsgerät für Leuchtmittel mit Niedervolt-Spannungsversorgung Operating device for lamps with low-voltage power supply
04/12/2012CA2813815A1 Method and device to protect an esp power supply from transient over-voltages on the power grid
04/11/2012EP2439838A2 High side controller capable of sensing input voltage and output voltage of a power conversion circuit
04/11/2012EP2439837A1 Control device for voltage conversion device, vehicle in which the same is installed, and control method for voltage conversion device
04/11/2012EP2438676A1 Safety circuit and devices equipped therewith
04/11/2012EP2438675A1 Transport system
04/11/2012EP2438674A2 Controller for a buck-boost circuit
04/11/2012EP2438673A1 Input current generating scheme for buck-boost controller
04/11/2012EP2438672A1 Welding power supply with digital control of duty cycle
04/11/2012EP2438671A1 Current measurement in switched mode power supply
04/11/2012EP1899944B1 Automatic voltage selection for series driven leds
04/11/2012CN202190218U Inverse-excitation type switch power supply switching circuit