Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 3 - Conversion of dc power input into dc power output
Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
12/2009
12/02/2009CN101594115A Energy-saving device and method applied to numerical control system
12/02/2009CN101594057A Method and apparatus for implementing an unregulated dormant mode in a power converte
12/02/2009CN101594056A Dc-to-dc converter and method thereof
12/02/2009CN101594055A Power system
12/02/2009CN101594054A Voltage converting device and voltage converting method
12/02/2009CN101594053A Power supply converter with wide-range voltage input
12/02/2009CN101594052A Booster circuit
12/02/2009CN101594051A Booster circuit
12/02/2009CN101594050A Non-polar electrolytic capacitor control module
12/02/2009CN101594048A PWM buck convertor with overcurrent protection function
12/02/2009CN101593990A Method and device for realizing usb port smart power management and integrated circuit
12/02/2009CN101593616A Transformer and direct current-to-direct current transducer
12/02/2009CN101590816A Driving system for rail vehicles
12/02/2009CN100566104C Converter circuit with forward and backward control
12/02/2009CN100566103C Externally-driven scheme for synchronous rectification
12/02/2009CN100566102C Dc-dc converter
12/02/2009CN100566101C Switching regulator control circuit and switch regulator
12/02/2009CN100566100C Switching regulator control circuit and switching regulator
12/02/2009CN100566099C Boosting circuit and portable apparatus using this
12/02/2009CN100566074C Hybrid fuel cell system and voltage conversion control method thereof
12/02/2009CN100566071C Capacitor charging circuit and method thereof
12/02/2009CN100565285C Power supply circuit and display device
12/01/2009US7627032 Digital pulse width modulator
12/01/2009US7626834 Double ended converter with output synchronous rectifier and auxiliary input regulator
12/01/2009US7626369 Switch mode power converter
11/2009
11/26/2009WO2009118683A3 Switch mode converter including active clamp for achieving zero voltage switching
11/26/2009WO2009118535A3 Linear regulator with zero crossing coordination
11/26/2009US20090290677 Bootstrap circuit, shift register employing the same and display device
11/26/2009US20090290391 Self-driven synchronous rectifier
11/26/2009US20090290390 Switched mode power supply systems
11/26/2009US20090290389 Series resonant converter
11/26/2009US20090290388 DC-DC converter
11/26/2009US20090290387 Switching power supply with increased efficiency at light load
11/26/2009US20090290386 Photocoupler and switching power supply circuit
11/26/2009US20090290385 Resonant power factor correction converter
11/26/2009US20090290384 High power factor isolated buck-type power factor correction converter
11/26/2009US20090290383 Resonant circuit and resonant power converter with a narrow operating frequency bandwidth
11/26/2009US20090289497 Power Supply System, Vehicle with the Same, Temperature Increase Control Method for Power Storage Device and Computer-Readable Recording Medium Bearing Program Causing Computer to Execute Temperature Increase Control of Power Storage Device
11/26/2009DE102008024090A1 Schaltregler mit PWM-Regler Switching regulator with PWM controller
11/26/2009DE102008023515A1 Voltage transformer circuit for e.g. feeding power into coil, has feedback circuit comprising coupling element, which provides stronger coupling effect in start phase of circuit than after start phase
11/26/2009DE10139071B4 Wandlervorrichtung Conversion device
11/26/2009DE10138751B4 Wechselrichter mit schnellschaltenden ansteuerbaren elektronischen Schaltern, insbesondere IGBT-Schaltern, sowie Verfahren zur Ansteuerung eines derartigen Wechselrichters Inverter with fast switching controllable electronic switches, especially IGBT switches, and methods for controlling such inverter
11/25/2009EP2123122A1 Current source with indirect load current signal extraction
11/25/2009EP2122831A2 Digital double-loop output voltage regulation
11/25/2009EP2122815A2 Adaptive output current control for switching circuits
11/25/2009EP2122814A1 Controlled power supply and method for pulse load
11/25/2009EP2122804A2 A smps circuit with multiple ac/dc inputs and application of such circuit to computer power supplies or laptop adapters
11/25/2009EP2122796A2 3-phase high power ups
11/25/2009CN201352767Y Switch power supply module
11/25/2009CN201352766Y Power supply for controlling feedback synchronization
11/25/2009CN201352764Y Voltage controller power source
11/25/2009CN201352763Y Phase-shifted full bridge zero-current and zero-voltage PWM converter
11/25/2009CN201352762Y Multi-level impulse sequence control device for switch power supply in pseudo continuous work mode
11/25/2009CN201352761Y Voltage booster circuit topological structure
11/25/2009CN201352759Y Power source device with low standby power
11/25/2009CN201352323Y High-efficient synchronous rectification depressurization-type voltage stabilizer
11/25/2009CN101589540A Multi-phase voltage transforming device, vehicle, and multi-phase transforming device control method
11/25/2009CN101589539A Load driving circuit, integrated circuit, dc-dc converter and load driving method
11/25/2009CN101588939A Electric motor vehicle and its control method
11/25/2009CN101588139A High power factor isolated buck-type power factor correction converter
11/25/2009CN101588137A Synchronous rectification controlling device and forward synchronous converter
11/25/2009CN101588135A Resonant power factor correction converter
11/25/2009CN101588134A Isolation type rectification circuit and use thereof
11/25/2009CN101588133A Power supply circuit and liquid crystal display device
11/25/2009CN101588131A Primary feedback closed-loop control circuit of isolation type flyback converters
11/25/2009CN101588130A ZVZCS three-level DC-DC converter with two-sided passive auxiliary network
11/25/2009CN101588129A Multiple input flyback converter
11/25/2009CN101588128A Control circuit and method for flyback power converter
11/25/2009CN101588127A Simplest switch voltage-stabilizing power supply with short circuit overcurrent and overheating protection
11/25/2009CN101588126A Wide load characteristic ZVZCS three-level DC-DC converter
11/25/2009CN101588125A Power-supply apparatus and control method, power amplifying device
11/25/2009CN101588079A Power supply method and power supply device for electronic device and electronic device
11/25/2009CN101588075A Adaptive inductive power supply with communication ability
11/25/2009CN100563089C Driving circuit of piezoelectric transformer
11/25/2009CN100563087C Isolation type active clamping alternation parallel DC/DC convertor
11/25/2009CN100563086C Active bi-directional electric power adjuster
11/25/2009CN100563085C Bi-directional DC-DC converter and control method
11/25/2009CN100562952C Transformer for switching power supply
11/25/2009CN100562945C Negative charge-pump with circuit to eliminate parasitic diode turn-on
11/24/2009US7624289 Power network reconfiguration using MEM switches
11/24/2009US7623316 Circuit and method for protecting emergency head-retract capacitor in a hard disk drive
11/24/2009US7622904 Power array system and method
11/24/2009US7622900 Semiconductor integrated circuit supplying voltage to a load using a charge pump and electronic device including the same
11/24/2009US7622820 Switch-mode power supply (SMPS) with auto-tuning using limit-cycle oscillation response evaluation
11/20/2009CA2665975A1 Docking station for portable electronic devices
11/19/2009WO2009140560A1 Bi-directional nominal current, variable power and/or variable voltage energy transfer circuit
11/19/2009WO2009140539A2 Method and system for providing local converters to provide maximum power point tracking in an energy generating system
11/19/2009WO2009140405A2 System and method using a current mirror to program an output voltage and current
11/19/2009WO2009139960A1 Low power solenoid control system and method
11/19/2009WO2009139430A1 Step-down switching regulator
11/19/2009WO2009139249A1 Current-mode control switching regulator and operations control method thereof
11/19/2009WO2009138505A1 Single inductor multiple output converter
11/19/2009WO2009138180A1 Voltage transformer circuit and method for feeding power into an energy accumulator in a pulsed manner
11/19/2009US20090286652 System and Method for Starting a Combustion Engine of a Hybrid Vehicle
11/19/2009US20090284995 Voltage detecting circuit and switching power source apparatus
11/19/2009US20090284994 Control circuit and method for a flyback converter
11/19/2009US20090284993 Switching power supply circuit
11/19/2009US20090284992 Method and systems for conduction mode control
11/19/2009US20090284991 Switching power supply
11/19/2009US20090284990 Voltage-converter circuit and method for clocked supply of energy to an energy storage
1 ... 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 ... 545