| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 02/27/2002 | EP1182769A2 Switching power supply circuit |
| 02/27/2002 | EP1182768A2 Power converter assembly |
| 02/27/2002 | EP1181764A1 Integrated direct current converter |
| 02/27/2002 | CN1338066A Four-phase charge pump with lower peak current |
| 02/27/2002 | CN1337773A Autonomous DC-DC converter |
| 02/27/2002 | CN1080022C Power unit for transferring energy by alternately switching winding circuits of transformer at high speed and energy transferring method thereof |
| 02/26/2002 | US6351403 Secondary side switching regulator having a phase lock loop control circuit |
| 02/26/2002 | US6351402 AC adapter with current driven, zero-voltage switched synchronous rectifier |
| 02/26/2002 | US6351401 Series resonant converter comprising a control circuit |
| 02/26/2002 | US6351398 Method and apparatus providing a multi-function terminal for a power supply controller |
| 02/26/2002 | US6351396 Method and apparatus for dynamically altering operation of a converter device to improve conversion efficiency |
| 02/26/2002 | US6351108 Method and apparatus for digital voltage regulation |
| 02/26/2002 | US6351107 Driving device of switching element in power conversion device using current control semiconductor switching element |
| 02/26/2002 | US6351100 Method of, and circuit for, controlling the discharge of a battery |
| 02/26/2002 | US6351073 Self-supplied DC/DC switching power supply |
| 02/21/2002 | WO2002015387A2 Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control |
| 02/21/2002 | WO2002015377A1 Power supply unit |
| 02/21/2002 | WO2002015374A1 Circuit and electric device comprising an inductive charge and a throttle transducer |
| 02/21/2002 | WO2002015372A2 High-efficiency power supply |
| 02/21/2002 | WO2002015371A2 Switched magamp post regulator |
| 02/21/2002 | WO2002014932A2 Energy recirculating driver for capacitive load |
| 02/21/2002 | WO2001086789A3 Circuit and method for adaptive leading edge blanking in pulse width modulated current mode switching power supply controllers |
| 02/21/2002 | US20020021611 Power supply circuit and semiconductor memory device having the same |
| 02/21/2002 | US20020021578 Synchronous rectification circuit of DC-DC converter |
| 02/21/2002 | US20020021577 Flyback converter with synchronous rectifier |
| 02/21/2002 | US20020021575 Switching power supply apparatus with active clamp circuit |
| 02/21/2002 | US20020021574 Switching power converter |
| 02/21/2002 | US20020021560 Gate driver multi-chip module |
| 02/21/2002 | US20020021539 Protective circuit against overheating of a semiconductor switching device |
| 02/21/2002 | US20020021150 Load drive circuit |
| 02/21/2002 | US20020021115 Circuit arrangement and electrical appliance with an inductive load and a buck converter |
| 02/21/2002 | US20020021114 Switching voltage regulator including a power mos switch and driver circuit therefor |
| 02/21/2002 | DE10124219A1 Mikrowellenofen und Verfahren zum Steuern desselben Of the same microwave oven and method of controlling |
| 02/21/2002 | DE10038814A1 Hochspannungs-Gleichstromwandler High-voltage direct current converter |
| 02/20/2002 | EP1180762A2 Image display device and portable electrical equipment |
| 02/20/2002 | CN1337085A Overload protection for a switch mode power supply |
| 02/20/2002 | CN1337084A Moltimode switched-mode power supply |
| 02/20/2002 | CN1337083A DC-DC converter |
| 02/20/2002 | CN1337080A Method of, and circuit for, controlling the discharge of a bettery |
| 02/20/2002 | CN1336715A Mixed bridge-type zero-voltage and zero-current switch three level DC converter |
| 02/20/2002 | CN1336629A Driving circuit used for organic electroluminescent device |
| 02/20/2002 | CN1079609C Fault control circuit for switched power supply |
| 02/20/2002 | CN1079608C Forward converter with an inductor coupled to a transformer winding |
| 02/19/2002 | USRE37552 System and method for power-efficient charging and discharging of a capacitive load from a single source |
| 02/19/2002 | US6349046 Switching power supply circuit |
| 02/19/2002 | US6349045 Switched-mode power supply with switching-off from secondary side |
| 02/19/2002 | US6349044 Zero voltage zero current three level dc-dc converter |
| 02/19/2002 | US6348833 Soft starting reference voltage circuit |
| 02/19/2002 | US6348818 Voltage-adder LED driver |
| 02/19/2002 | US6348784 Switching power supply |
| 02/19/2002 | US6348783 DC/DC converter for suppressing effects of spike noise |
| 02/19/2002 | US6348781 Buck or boost power converter |
| 02/19/2002 | US6348780 Frequency control of hysteretic power converter by adjusting hystersis levels |
| 02/19/2002 | US6348779 DC/DC up/down converter |
| 02/19/2002 | CA2241145C Power supply with thermistor precharge and protection circuit |
| 02/14/2002 | US20020018352 Circuit and method for a pulse width modulated |
| 02/14/2002 | US20020017946 Substrate bias voltage generating circuit |
| 02/14/2002 | US20020017898 DC/DC converter circuit |
| 02/14/2002 | US20020017897 Control circuit and method for maintaining high efficiency over broad current ranges in a switching regulator circuit |
| 02/14/2002 | US20020017836 Piezoelectric devices |
| 02/14/2002 | DE10135500A1 Charging high voltage capacitor for use in portable defibrillator using constant frequency current with variable keying ratio so that capacitor charges more quickly and efficiently |
| 02/14/2002 | DE10035418A1 Volldigitaler Spannungswandler Fully digital voltage converter |
| 02/13/2002 | EP1179884A2 Method and apparatus for reducing audio noise in a switching regulator |
| 02/13/2002 | EP1179286A2 Transducer driver |
| 02/13/2002 | EP0811270B1 Power supply apparatus |
| 02/13/2002 | CN1336033A Thermoelectric system |
| 02/13/2002 | CN1336032A Method and apparatus for driving switching elements of current-controlled power conversion device |
| 02/13/2002 | CN1335668A Voltage balancer circuit for power converter |
| 02/13/2002 | CN1335626A Self-refreshing chip voltage generator |
| 02/13/2002 | CN1335466A Microwave oven and its control method |
| 02/12/2002 | US6347045 Noise canceling apparatus for a power converter |
| 02/12/2002 | US6346801 Method and an associated device for controlling a DC-DC converter based upon an iterative procedure |
| 02/12/2002 | US6346800 Power supply device and fixing device operating with the power supply device |
| 02/12/2002 | US6346798 Single wire current sharing control technique for the parallel/redundant operation of a plurality of PWM converters |
| 02/12/2002 | US6346797 Load matched alternator system |
| 02/12/2002 | US6346763 High output stacked piezoelectric transformer |
| 02/12/2002 | US6346762 Piezoelectric transformer |
| 02/07/2002 | WO2002011498A1 Interface circuit and method for dimming a fluorescent lamp |
| 02/07/2002 | WO2002011274A1 Alexander topology resonance energy converter and inversion circuit |
| 02/07/2002 | WO2002011272A1 Device for regulating the current passing through an inductive element, in particular an solenoid valve |
| 02/07/2002 | WO2002011267A2 Dc to dc converter and power management system |
| 02/07/2002 | WO2001078221A3 Self-driven synchronous rectifier circuit for non-optimal reset secondary voltage |
| 02/07/2002 | WO2001076051A3 Dc power adapter system |
| 02/07/2002 | WO2001073928A3 Method and circuit for reduced power consumption in a charge pump circuit |
| 02/07/2002 | US20020015591 Circuit for a photographic flash |
| 02/07/2002 | US20020015319 Transient control for converter power supplies |
| 02/07/2002 | US20020015318 Protection circuit and method for switching power supply |
| 02/07/2002 | US20020015317 Power supply apparatus and power supply system |
| 02/07/2002 | US20020015316 Power control method and circuit, and power supply unit |
| 02/07/2002 | US20020015315 Isolated dual converter having primary side internal feedback for output regulation |
| 02/07/2002 | US20020015033 Driving circuit for organic elecctroluminescence device |
| 02/07/2002 | US20020014909 Pump circuit boosting a supply voltage |
| 02/07/2002 | US20020014908 Device for voltage multiplication with high efficiency, combination of the device with a battery-operated apparatus, and low-power loss generation of a programming voltage |
| 02/07/2002 | US20020014907 Voltage pump and a level translator ircuit |
| 02/07/2002 | DE10036973A1 Power supply unit comprises protective circuit for monitoring output voltage of first supply and switching off first supply if error voltage is detected |
| 02/06/2002 | EP1178591A1 Power supply device with detection of malfunctioning |
| 02/06/2002 | EP1177612A1 System and method for equalizing power from two power sources |
| 02/06/2002 | EP0925637B1 A switched-mode power supply control circuit |
| 02/06/2002 | CN1334935A Scalfable charge pump for use with low voltage power supply |
| 02/06/2002 | CN1334639A AC/DC converter controlled by FET and its application |