Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
03/2002
03/19/2002US6359500 Charge pump with efficient switching techniques
03/19/2002US6359420 Circuit for coupling energy to a pulse forming network or capacitor
03/19/2002CA2241795C Intelligent power supply with staged loading capability
03/14/2002WO2002021672A1 Lossless switching dc-to-dc converter
03/14/2002WO2002021670A1 Switching mode power supply with high efficiency
03/14/2002WO2002021669A1 Current mode switching controller
03/14/2002WO2001063723A3 Ultra-low power switching regulator method and apparatus with adaptively adjustable switching frequency and peak current trip point
03/14/2002US20020031001 Method for generating a regulated D.C. voltage from an A.C. voltage and power supply device for implementing said method
03/14/2002US20020031000 Uninterruptible duplexed power supply system, and unit plug-in structure for uninterruptible duplexed power supply system
03/14/2002US20020030534 Charge pump circuit
03/14/2002US20020030473 Electronic apparatus
03/14/2002DE10043485A1 Switch-mode power supply circuit arrangement, includes sense-MOSFET as control supply device in parallel with load circuit of switching transistor
03/14/2002DE10043482A1 Current-Mode-Schaltregler Current Mode Switching Regulators
03/14/2002DE10038988A1 Voltage converter has auxiliary voltage generator providing control energy for burst operating mode
03/13/2002EP1187304A1 Power supply and electronic device using power supply
03/13/2002EP1187303A2 PWM Control circuit for DC-DC converter
03/13/2002EP1187298A2 Uninterruptible duplexed power system, and unit plug-in structure for uninterruptible duplexed power supply system
03/13/2002EP1187294A2 Power controller and power controlling method
03/13/2002EP1186096A1 Electrical power extraction from mechanical disturbances
03/13/2002EP1186090A1 Method and circuit for reduced power consumption in a charge pump circuit
03/13/2002CN2482268Y DC high-voltage power supply for field exploration
03/13/2002CN2482267Y Auto-coupling multigroup energy transducer
03/13/2002CN1339934A 图象显示装置和便携式电子装置 An image display device and a portable electronic device
03/13/2002CN1339866A New self-driving circuit of synchronous rectifier tube
03/13/2002CN1339860A Power unit powered by cell
03/13/2002CN1080949C Power unit and voltage transformer
03/12/2002US6356501 Apparatus for generating high voltage signal
03/12/2002US6356499 Power supply circuit and semiconductor memory device having the same
03/12/2002US6356469 Low voltage charge pump employing optimized clock amplitudes
03/12/2002US6356468 Arrangement for limiting starting current in a power supply
03/12/2002US6356466 Multimode switched mode power supply with output stabilization
03/12/2002US6356465 Switching power supply apparatus with active clamp circuit
03/12/2002US6356464 Method and apparatus providing a multi-function terminal for a power supply controller
03/12/2002US6356463 High frequency, voltage feedback control mode power converter
03/12/2002US6356462 Soft-switched full-bridge converters
03/12/2002US6356461 Transformer flux observer for a full bridge power converter and method of operation thereof
03/12/2002US6356137 Voltage boost circuit with low power supply voltage
03/12/2002US6356063 Switching regulator with transient recovery circuit
03/12/2002US6356062 Degenerative load temperature correction for charge pumps
03/12/2002US6356059 Buck converter with normally off JFET
03/12/2002US6355990 Power distribution system and method
03/07/2002WO2002019508A2 Multiple output dynamically regulated charge pump power converter
03/07/2002WO2002019507A2 Interleaved power converters incorporating bang-bang control
03/07/2002WO2002019487A2 Wideband regulator with fast transient suppression circuitry
03/07/2002WO2002019074A2 Transient suppression power regulation
03/07/2002WO2001084697A3 Dc to dc converter method and circuitry
03/07/2002WO2001079019A8 Multiple-voltage power supply circuitry for motor vehicle
03/07/2002US20020027805 Apparatus and method for programming voltage protection in an non-volatile memory system
03/07/2002US20020027788 DC-to-DC converter providing high current and low voltage
03/07/2002US20020027787 Switching power supply unit
03/07/2002US20020027786 Power supply control circuit, power supply and power supply control method
03/07/2002US20020027785 SMPS protection circuit in electronic appliance
03/07/2002US20020027756 Battery-operated power supply unit
03/07/2002US20020027467 Single mode buck/boost regulating charge pump
03/07/2002US20020027428 Load-dependent frequency modulation circuit and method for switching power system
03/07/2002DE10139071A1 Wandlervorrichtung Conversion device
03/07/2002DE10041475A1 Schaltnetzteil Switching power supply
03/07/2002DE10040453A1 Power supply has series circuit of coil, controlled switch and voltage supply unit connected to terminals, and load unit coupled to coil for providing output voltage for load
03/07/2002DE10040413A1 Schaltungsanordnung zur Erzeugung eines Schaltsignals für ein stromgesteuertes Schaltnetzteil Circuit arrangement for generating a switching signal for a current-controlled switching power supply
03/07/2002CA2418042A1 Multiple output dynamically regulated charge pump power converter
03/06/2002EP1184964A2 Switched-mode power supply
03/06/2002EP1184963A2 DC-DC high voltage converter
03/06/2002EP1184962A1 High efficiency electronic circuit for generating and regulating a supply voltage
03/06/2002EP1183780A1 Electronic circuit provided with a digital driver for driving a capacitive load
03/06/2002EP1183765A2 Method and device for regulating the parallel operation of dc converters
03/06/2002EP1183164A1 Multiple-voltage power supply circuitry for motor vehicle
03/06/2002CN2481049Y Self-exciting type thyristor current type chopper
03/06/2002CN1338868A Short pulse style power supply synchronized with power supply frequency
03/06/2002CN1338812A Switch power supply circuits with improved power loss factor for providing constant voltage
03/06/2002CN1338811A Resonance-type switched power supply with zero-voltage and zero-current switching
03/06/2002CN1080478C Switch-mode power supply control circuit
03/05/2002US6353547 Three-level soft-switched converters
03/05/2002US6353544 Flyback converter with synchronous rectifier
03/05/2002US6353543 Switching circuit of power conversion apparatus
03/05/2002US6353525 Arrangement in a power unit for a grid-pulsed, O-type microwave tube
03/05/2002US6353356 High voltage charge pump circuits
03/05/2002US6353310 DC/DC charge and supply converting module
03/05/2002US6353278 Piezoelectric transformer having increased voltage output
02/2002
02/28/2002WO2002017469A1 Multiple power converter system using combining transformers
02/28/2002WO2002017467A1 Circuit arrangement for generating a switching signal for a current controlled switched mode power supply
02/28/2002WO2002017466A1 Cascadable high efficiency charge pump circuit and related methods
02/28/2002WO2002017460A1 Mobile phone charger using a usb
02/28/2002WO2001089089A3 Bi-directional current source
02/28/2002WO2001071894A3 Oscillatorless dc-dc power converter
02/28/2002WO2001071893A3 Ultra-capacitor based dynamically regulated charge pump power converter
02/28/2002US20020024829 Switching power supply having magnetic amplifier control circuits
02/28/2002US20020024827 Current limited buck power supply
02/28/2002US20020024826 PWM control circuit for DC-DC converter
02/28/2002US20020024825 Power supply apparatus
02/28/2002US20020024824 High-voltage DC/DC converter
02/28/2002US20020024785 Power-source system, power supplying method and image capturing apparatus
02/28/2002US20020024389 Power controller and power controlling method
02/28/2002US20020024377 Charge pump circuit allowing efficient electric charge transfer
02/28/2002US20020024328 Off-line converter with digital control
02/28/2002US20020024327 Slave regulator with supercap
02/28/2002US20020024269 Method of driving a piezoelectric transformer and power source apparatus using the same
02/28/2002DE10040879A1 Netzteil mit einer Batterie AC power with a battery
02/28/2002DE10040275A1 Schaltungsanordnung und Elektrogerät mit einem Elektromotor und einem Drosselwandler Circuitry and electrical appliance with an electric motor and a buck converter
02/28/2002DE10036054A1 Schaltung für eine fotografischen Blitz Circuit for a photographic flash
02/28/2002DE10006949A1 Synchronous rectifier circuit has auxiliary transistor driving free-running transistor so free-running transistor is switched off when input voltage positive and on for negative input voltage