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
09/19/2012CN102684492A High power factor converter
09/19/2012CN102684491A Switching regulator and associated circuit and method of control
09/19/2012CN102684490A Fixed-frequency quasi-sliding mode controller applicable to single-inductance double-output buck converter
09/19/2012CN102684489A System and method for preventing controller induced pulse skipping at low duty cycle operations
09/19/2012CN102684488A High-speed level switching circuit used for digital DC (Direct Current)-DC converter
09/19/2012CN102684487A BJT type self-excited Sepic converter equipped with main switching tube with low drive loss
09/19/2012CN102684486A Boost converter with multi-mode synchronous rectifier and operation method thereof
09/19/2012CN102684485A Vertical complementary field effect tube
09/19/2012CN102684484A Double-input boost and buck converter within wide input voltage range
09/19/2012CN102684483A Control circuit of switch-type adjuster and control method thereof
09/19/2012CN102684482A Single-switch high-gain direct current boost converter
09/19/2012CN102684481A Wide-input range and low-ripple step-down circuit for charge pump
09/19/2012CN102684480A Method for calculating energy-storing capacitance of power supply system of voltage-reducing type solar LED (light emitting diode) street lamp
09/19/2012CN102684479A 电荷泵式分压电路及其启动方法 Charge pump voltage divider circuit and start method
09/19/2012CN102684478A Charge pump circuit
09/19/2012CN102684477A Shunt regulator for high voltage output using indirect output voltage sensing
09/19/2012CN102684476A Secondary power source with latch-up resistance function
09/19/2012CN102684475A Systems and methods for feed-forward control of load current in DC to DC buck converters
09/19/2012CN102684474A Mode control circuit for DC-DC converter
09/19/2012CN102684473A Half-bridge circuit
09/19/2012CN102684460A Frequency soft clamp system for quasi-resonant switching power supply and method
09/19/2012CN102684239A Power supply equipment
09/19/2012CN102682844A Replication circuit and application thereof
09/19/2012CN102679021A Efficient boost circuit for electromagnetic valve drive
09/19/2012CN102055320B Charge pump circuit and implementation method thereof
09/19/2012CN102005928B Photovoltaic high-frequency isolation boost soft switch DC/DC converter and control method thereof
09/19/2012CN101795063B Drive control method of energy-feedback type clamping circuit
09/19/2012CN101789697B Phase-shifted full-bridge converter with combined clamping circuit
09/19/2012CN101762734B Output voltage detection circuit and switching power supply
09/19/2012CN101682255B Ac-dc converter
09/19/2012CN101471601B Electric charge assist pump for adding power efficiency and output voltage
09/19/2012CN101102080B Startup circuit of voltage elevation regulator and its startup method
09/19/2012CN101064468B Dc-to-dc converter and electric motor drive system using the same
09/18/2012US8270189 Charge circuit for optimizing gate voltage for improved efficiency
09/18/2012US8270187 Electric power supply circuit with PAM waveform correction
09/18/2012US8270185 Switching mode power supply with a spectrum shaping circuit
09/18/2012US8270184 Isolated voltage converter with feedback on the primary winding and passive snubber network, and corresponding control method
09/18/2012US8269476 Load controller to pulse width modulation-control a load
09/13/2012WO2012121912A2 Two-peak current control for flyback voltage converters
09/13/2012WO2012121016A1 Bidirectional dc-dc converter, and power source system
09/13/2012WO2012120793A1 Power conversion device
09/13/2012WO2012120600A1 Power conversion device and refrigeration/ac system
09/13/2012WO2012120567A1 Power conversion device
09/13/2012WO2012120402A2 Adjustable fly-back or buck-boost converter
09/13/2012WO2012119556A1 Current reference generating circuit, control circuit and method of constant current switching power supply
09/13/2012WO2011115797A3 Cell balancing system
09/13/2012US20120230071 Power supply circuit system
09/13/2012US20120230065 Two-Peak Current Control for Flyback Voltage Converters
09/13/2012US20120230064 Switching controller with valley-lock switching and limited maximum frequency for quasi-resonant power converters
09/13/2012US20120230063 Self-excited switching power supply circuit
09/13/2012US20120230062 Dc-dc converter
09/13/2012US20120230061 Self-excited switching power supply circuit
09/13/2012US20120230060 Pfc converter
09/13/2012US20120230059 Device for avoiding hard switching in resonant converter and related method
09/13/2012US20120230058 Non-contact power transmission apparatus
09/13/2012US20120229034 Driving controller and full-bridge converting circuit
09/13/2012DE102011005446A1 Schaltungsanordnung mit Wechselrichter zur Spannungsversorgung einer Röntgenröhre und zugehöriges Verfahren Circuit with inverter for supplying power to an X-ray tube and associated method
09/13/2012DE102011005416A1 Steuerung einer Versorgungsspannung Controlling a supply voltage
09/13/2012DE102011005415A1 Schaltnetzteil für ein Ladegerät Switching power supply for charger
09/12/2012EP2498389A2 Self-excited switching power supply circuit
09/12/2012EP2497186A2 Feedback circuit for zero-voltage-switching converter
09/12/2012CN202435347U Control circuit for restricting carrier wave transmission by controlling voltage
09/12/2012CN202435314U MPPT (maximum-power-tracking)-type solar air-conditioning system
09/12/2012CN202435294U Pulse width modulation switch power supply controller and switch power supply
09/12/2012CN202435292U Alternating current-direct current converter
09/12/2012CN202435291U PFC (Power Factor Correction) boost circuit with adjustable carrier wave amplitude
09/12/2012CN202435279U Switch power supply for emergency light
09/12/2012CN202435278U High-reliability long-life boost switching power supply for vehicle
09/12/2012CN202435277U Primary-side feedback flyback type constant-current power supply
09/12/2012CN202435276U Compensated primary side feedback flyback type constant current power supply
09/12/2012CN202435275U Power supply circuit with constant primary side current
09/12/2012CN202435274U Constant-current power supply circuit
09/12/2012CN202435273U High-frequency voltage transformation circuit of mining intrinsically safe power supply
09/12/2012CN202435272U Multi-output power module
09/12/2012CN202435271U Slope compensation circuit
09/12/2012CN202435270U Low-offset current comparator
09/12/2012CN202435269U Auxiliary power circuit of mid-voltage converter and mid-voltage converter
09/12/2012CN202435268U Passive linear photoelectric isolation conversion circuit
09/12/2012CN202435267U Boosting circuit
09/12/2012CN202435266U Multi-output, high-precision and small-signal direct current voltage circuit
09/12/2012CN202435265U Vehicle-mounted power supply device and direct current-direct current (DC-DC) converter thereof
09/12/2012CN202435264U Power supplying power supply device of liquid crystal module (LCM) test system
09/12/2012CN102668352A Converter with power factor correction
09/12/2012CN102668351A Insulation type switching power supply
09/12/2012CN102668350A Power supply adaptor, control circuit for DC-DC converter, apparatus-side connector, DC-DC converter, power supply device using DC-DC converter, and electronic apparatus
09/12/2012CN102668349A Buck converter and inverter comprising the same
09/12/2012CN102668348A Converter
09/12/2012CN102668347A Start-up supply
09/12/2012CN102665923A Electrostatic coating system, spray gun for electrostatic coating, and alternating power source unit
09/12/2012CN102664643A Charge pump and launcher using same
09/12/2012CN102664544A Two-pole single-phase photovoltaic inverter and inversion method thereof
09/12/2012CN102664533A 15V laminated cell replacement device for pointer multi-meter
09/12/2012CN102664532A Method for controlling resonant electric power converter and apparatus thereof
09/12/2012CN102664531A Cascaded PFC and resonant mode power converters
09/12/2012CN102664530A Soft-switching isolation type switch capacitor regulator
09/12/2012CN102664529A Constant current and voltage circuit
09/12/2012CN102664528A Switch power supply
09/12/2012CN102664527A High-current switch power supply and high-current switch power supply system
09/12/2012CN102664526A Reverse excitation circuit and method for reducing transformer leakage inductance loss of reverse excitation circuit
09/12/2012CN102664525A Switching power supply circuit and control method thereof
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