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)
09/2012
09/12/2012CN102664524A Constant current DC (Direct Current)-DC converter utilizing digital PWM (Pulse-Width Modulation) control and constant current LED (Light Emitting Diode) drive DC-DC converter
09/12/2012CN102664523A Storage battery energy-storing chopping-type welding-cutting power source
09/12/2012CN102664522A Converter circuit
09/12/2012CN102664521A Direct current (DC) boosted circuit made from time base circuit
09/12/2012CN102664520A Phase-locked loop charge pump circuit with low current mismatch
09/12/2012CN102664519A Low-noise wide-range heavy-current battery simulation device
09/12/2012CN102664518A Driving circuit and related electronic device
09/12/2012CN101599696B Non-isolation DC/DC control circuit and converter
09/12/2012CN101488717B Switching power supply circuit
09/12/2012CN101345475B Charge pump drive circuit
09/12/2012CN101202505B Control circuit for switching regulator,method, electric source and electrical device
09/11/2012US8264858 Electronic circuit control element with tap element
09/11/2012US8264857 System and method for a power converter having a resonant circuit
09/11/2012US8264476 Active matrix type semiconductor device
09/11/2012US8264212 Power supply control device and power supply control method
09/10/2012DE202011102068U1 Hochsetzsteller Up converter
09/07/2012WO2012117894A1 Power semiconductor module, power semiconductor module manufacturing method, and power conversion apparatus
09/07/2012WO2012117770A1 High-voltage generating circuit, ion generating device, and electrostatic atomization apparatus
09/07/2012WO2012117675A1 Boost pfc control device
09/07/2012WO2012117642A1 Electrical power conversion device, electrical power conversion system, and motor inverter
09/07/2012WO2012116953A2 Bidirectional dc-dc converter
09/07/2012WO2012116750A1 Controlling a switched mode power supply with maximised power efficiency
09/07/2012WO2012116740A1 Power consumption management using a switching voltage regulator
09/07/2012WO2012116488A1 Clamping voltage and current in an asymmetric half bridge dc/dc converter
09/07/2012WO2012073120A3 Process and temperature insensitive inverter
09/06/2012US20120224400 Electrical equipment
09/06/2012US20120224399 Method and apparatus to reduce audio frequencies in a switching power supply
09/06/2012US20120224398 Charge-transfer conditioning circuit
09/06/2012US20120224397 Devices and methods of constant output current and voltage control for power supplies
09/06/2012US20120224396 Dc power supply
09/06/2012US20120223980 Power supplying system
09/06/2012DE112009004573T5 Schaltnetzteil Switching power supply
09/06/2012DE102012203015A1 Leistungsumwandlungsvorrichtung Power conversion apparatus
09/06/2012DE10143692B4 Schaltleistungsversorgungseinheit Switching power supply unit
09/05/2012EP2495860A1 Switch mode power converter structure
09/05/2012EP2495859A2 DC power supply
09/05/2012EP2495858A1 Bidirectional direct current converter
09/05/2012EP2495765A1 Operating a semiconductor component having a breakthrough voltage
09/05/2012EP2495633A1 Method and apparatus for low standby current switching regulator
09/05/2012EP2494686A1 Dc voltage switch converter and dc voltage switch converting method
09/05/2012CN202425086U Single-tube resonant soft switch circuit of induction cooker
09/05/2012CN202424679U Power converter and differential circuit
09/05/2012CN202424678U Power supply converter and differential circuit
09/05/2012CN202424565U High-efficiency grid-connected inverter circuit
09/05/2012CN202424556U Rectification circuit for high current output transformer and transformer
09/05/2012CN202424554U Energy-saving adapter
09/05/2012CN202424552U Voltage reduction type voltage-stabilizing and rectifying circuit
09/05/2012CN202424551U Switch mode power supply circuit for light emitting diode (LED) lamp
09/05/2012CN202424550U Switching power supply output circuit and switching power supply
09/05/2012CN202424533U Wide-region high-voltage output converter
09/05/2012CN202424532U Switch power supply circuit
09/05/2012CN202424531U Switch booster
09/05/2012CN202424530U LLC circuit and LLC power supply
09/05/2012CN202424529U Switch power circuit of electric fan
09/05/2012CN202424528U DC/DC (direct current) converter as well as power supply device and electronic equipment using same
09/05/2012CN202424527U Switch power supply circuit structure for television and computer all-in-one machine
09/05/2012CN202424526U High-voltage input power system
09/05/2012CN202424525U Frequency converter
09/05/2012CN202424524U Circuit and device of isolated sensor
09/05/2012CN202424523U Low-level controlled high-voltage output circuit
09/05/2012CN202424522U Power conversion circuit
09/05/2012CN202424521U 电源电路 The power supply circuit
09/05/2012CN202424520U High-efficiency power converter
09/05/2012CN202424519U Single-chip DC-DC (Direct Current to Direct Current) circuit based on I-shaped inductor
09/05/2012CN202424518U Voltage reversal circuit of dry cleaning machine
09/05/2012CN202424517U Auxiliary power circuit
09/05/2012CN202424516U CCD (Charge Coupled Device) sensor power supply circuit
09/05/2012CN202424515U Constant voltage outputting device
09/05/2012CN202424514U Small-power direct-current-to-direct-current boosting voltage stabilizer
09/05/2012CN202424513U Cascaded voltage stabilizing circuit used for power circuit of small power type
09/05/2012CN202424512U Parallel voltage stabilizing circuit for small-power power supply circuit
09/05/2012CN202424511U Two-way communication circuit of dry cleaning machine
09/05/2012CN202424510U Power supply device for audio-visual system of high-speed rail
09/05/2012CN202424509U Packaging structure of minitype power module
09/05/2012CN202424508U Loop power supply site apparatus and loop interface circuit
09/05/2012CN202424506U Single-stage high power factor correction converter with low output power frequency ripple wave
09/05/2012CN202424492U Power switch driver, IC (integrated circuit) chip and DC-DC converter
09/05/2012CN202424490U PWM (pulse-width modulation) duty-ratio limiting circuit and switching power supply
09/05/2012CN202424280U Direct current (DC) charger
09/05/2012CN202424226U Switch-mode charging management device
09/05/2012CN1890867B Power source device and apparatus using the same
09/05/2012CN102656791A Bidirectional signal conversion
09/05/2012CN102656790A Bidirectional signal conversion
09/05/2012CN102656789A Bidirectional signal conversion
09/05/2012CN102656788A Multi-phase direct voltage converter and method for controlling a multi-phase direct voltage converter
09/05/2012CN102656787A Switching power supply circuit and power factor controller
09/05/2012CN102656786A High-voltage power supply
09/05/2012CN102655378A Isolated voltage converter circuit and control method thereof
09/05/2012CN102655377A Voltage regulating circuit
09/05/2012CN102655376A DC power supply
09/05/2012CN102655375A Switching power supplier provided with frequency conversion device
09/05/2012CN102655374A Jittering frequency control circuit and method used for switching mode power supply
09/05/2012CN102655373A Isolated voltage converting circuit and control method thereof
09/05/2012CN102655372A Variable input voltage pfc circuits, systems and power supplies with phase shifted power rails
09/05/2012CN102655371A Double-pulse cross-cycle modulation method for switching power supply and device thereof
09/05/2012CN102655370A Method and apparatus for low standby current switching regulator
09/05/2012CN102655369A Power conversion apparatus
09/05/2012CN102655342A Power supply system
09/05/2012CN102655341A Power supply system
09/05/2012CN102655340A Power supply system
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