Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
08/2012
08/16/2012DE102011000708A1 Power supply for operating electrical load, has inverter whose inputs are connected with outputs of direct current (DC) chopper which generate pulse-width modulated direct voltage and/or DC
08/16/2012CA2826330A1 Control arrangement and method for regulating the output voltage of a dc source power converter connected to a multi-source dc system
08/15/2012EP2487783A2 Ultra-high efficiency switching power inverter and power amplifier
08/15/2012EP2487776A2 Subsidiary power source for bidirectional power supply
08/15/2012EP2487319A1 Motorised concealment device comprising a DC motor and a device for supplying electric power to said motor
08/15/2012EP1878107B1 Resonant dc/dc converter with zero current switching
08/15/2012EP1817838B1 Device and method for charging an electrical energy accumulator device
08/15/2012EP1797632B1 Power converter for led large area light source lamp
08/15/2012CN202385026U Miniature photovoltaic inverter
08/15/2012CN202385016U Switching power supply without power transformer
08/15/2012CN202385015U Switch-type multiple feed management circuit
08/15/2012CN202385005U Zero-cross adjustable power supply circuit
08/15/2012CN202385004U Voltage-stabilizing switching circuit of power supply
08/15/2012CN202385003U Anti-jamming voltage-stabilizing switching power supply circuit
08/15/2012CN202385002U High-current low-power consumption stabilized power circuit
08/15/2012CN202385001U Step-down circuit for N-channel MOS (Metal Oxide Semiconductor) tube
08/15/2012CN202385000U Voltage reducing type switch voltage-stabilized power source device using calculus algorithm
08/15/2012CN202384999U Hot memory circuit of breaker
08/15/2012CN202384998U Power supply device applied to sensing element
08/15/2012CN202384997U Power supply management circuit
08/15/2012CN202384996U Simple and practical high-voltage power supply for PIPS semiconductor detector
08/15/2012CN202384995U Circuit for continuously adjusting and outputting 0-10 V high-stability direct-current voltage
08/15/2012CN202384784U Charging management circuit
08/15/2012CN102640407A Switching power supply circuit
08/15/2012CN102640406A Power supply device
08/15/2012CN102640405A Charge pump circuit, method for controlling same, and semiconductor integrated circuit
08/15/2012CN102638213A Bidirectional buck-boost power converter
08/15/2012CN102638185A Switching power source
08/15/2012CN102638184A High-efficiency alternating current-direct current voltage converting circuit
08/15/2012CN102638183A Flyback circuit control system and controller chip thereof
08/15/2012CN102638180A Power converter
08/15/2012CN102638176A Hybrid cascade multilevel electronic power transformer
08/15/2012CN102638169A Control circuit and control method of flyback convertor and alternating current-direct current power converting circuit applying control circuit of flyback convertor
08/15/2012CN102638168A Direct current voltage converter
08/15/2012CN102638167A Parallel resonant converter circuit
08/15/2012CN102638166A Low-electromagnetic interference direct-current boost converter
08/15/2012CN102638165A Power compensation circuit and power supply chip of switching power supply
08/15/2012CN102638164A High boost circuit, solar inverter and solar cell system
08/15/2012CN102638163A DC-DC converter and control method thereof
08/15/2012CN102638162A Constant off time boost converter
08/15/2012CN102638161A Power-supply circuit for DC applicance
08/15/2012CN102638160A Power supply circuit and golf cart with same
08/15/2012CN102638155A Centralized auxiliary converter
08/15/2012CN102638075A Direct-current electric energy transfer device
08/15/2012CN102637650A Semiconductor device and method for producing the same, and power supply
08/15/2012CN101976953B Isolated bidirectional DC-DC converter realized by coupling inductor
08/15/2012CN101951155B Soft switching isolated bidirectional DC-DC converter with coupling inductors
08/15/2012CN101951154B Isolation type active clamping interleaving paralleled bidirectional DC-DC converter
08/15/2012CN101917126B Voltage-equalizing and power-equalizing control method for multi-module cascade solid-state transformer
08/15/2012CN101860220B Single-chip Cuk switching power supply circuit
08/15/2012CN101814827B Two-stage type DC converter with high voltage input and low-voltage large current output
08/15/2012CN101764514B Voltage converters and voltage generating methods
08/15/2012CN101689808B Bidirectional DC/DC converter
08/15/2012CN101635505B Method for controlling structure of a plurality of input-series and output-parallel converters
08/15/2012CN101557161B Quick-response generating circuit for voltage regulator, method and application thereof
08/15/2012CN101494417B Asynchronous voltage-boosting converter
08/15/2012CN101465602B Systems and methods for precharging boost converters in DC to DC power converters
08/15/2012CN101005238B Electrical switching device
08/14/2012US8243478 Method and apparatus for limiting maximum output power of a power converter
08/14/2012US8243477 Flyback power supply with forced primary regulation
08/14/2012US8243476 HEMT/GaN half-bridge circuit
08/14/2012US8243475 Resonance converting apparatus and synchronous rectification circuit
08/14/2012US8243474 Control circuit for power supplying
08/14/2012US8243473 Switching power supply device and switching power supply control circuit
08/14/2012US8243472 Power supply having a two-way DC to DC converter
08/14/2012US8242756 Load driving device and portable apparatus utilizing such driving device
08/14/2012US8242633 Power-failure protection circuit for non-volatile semiconductor storage devices and method for preventing unexpected power-failure using the same
08/14/2012US8242629 Hybrid load systems including a dynamic electronic load and passive resistive load modules
08/09/2012WO2012105200A1 Power factor improvement circuit
08/09/2012WO2012105112A1 Dc-dc converter
08/09/2012WO2012105077A1 Resonant-type switching power supply apparatus
08/09/2012WO2012103994A1 Push-pull converter, and modulation method for controlling a push-pull converter
08/09/2012WO2012103941A2 Digital control unit having a transient detector for controlling a switched mode power supply
08/09/2012WO2012066283A3 Improved voltage regulation apparatus
08/09/2012US20120201063 Switching power supply circuit and power factor controller
08/09/2012US20120201055 Power supply and apparatus and method for controlling link voltage control switch
08/09/2012US20120201054 Non-contact power transmission apparatus
08/09/2012US20120201053 Magnetic integration double-ended converter
08/09/2012US20120201052 Measurement transducer
08/09/2012US20120200350 Reset and resettable circuits
08/09/2012DE112009004383T5 Isolierte Schaltnetzteilvorrichtung Isolated switching power supply apparatus
08/09/2012DE102012101009A1 Betriebsartsteuerschaltung für Gleichspannungs/Gleichspannungs-Wandler Mode control circuit for DC / DC voltage converter
08/09/2012DE102011010506A1 Mikrofonanordnung Microphone array
08/09/2012DE102011003576A1 Gegentaktwandler und Modulationsverfahren zum Ansteuern eines Gegentaktwandlers Push-pull converter and modulation method for driving a push-pull converter
08/08/2012EP2485380A1 Dc/dc converter control device
08/08/2012EP2485379A1 Power supply circuit with scalable performance and method for operating the power supply circuit
08/08/2012EP2485378A1 Control arrangement and method for regulating the output voltage of a dc source power converter connected to a multi-source dc system
08/08/2012EP2485377A1 Dc power supply feeding system
08/08/2012EP2485376A1 Dc/dc power converter
08/08/2012EP2485375A1 Power distribution system
08/08/2012EP2483999A2 Method and circuit for power factor correction
08/08/2012EP2002413B1 Bidirectional, dc-isolated transmission channel
08/08/2012EP1576711B1 System and method for interleaving point-of-load regulators
08/08/2012CN202374303U Mobile phone and adapter line
08/08/2012CN202374192U Piezoelectric ceramic driving power supply
08/08/2012CN202374188U Triac-controlled capacitor step-down high-efficiency direct current power supply
08/08/2012CN202374182U DC/DC (Direct Current/Direct Current) bidirectional converter
08/08/2012CN202374181U DC/DC converter module of LED switch power supply
08/08/2012CN202374180U DC/DC bidirectional converter
08/08/2012CN202374179U Voltage-stabilizing circuit