Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
12/1999
12/28/1999CA2011229C Switch-mode power supply with burst mode standby operation
12/23/1999WO1999066630A1 Shifted drive inverter
12/22/1999EP0966092A1 DC/DC converter
12/22/1999EP0966091A2 DC to DC power converter with integrated magnetic power transformer
12/22/1999EP0966086A2 Integrated protection circuit, method of providing current-limiting and short-circuit protection and converter employing the same
12/22/1999EP0965501A2 Apparatus for igniting the squib of a vehicle passive restraint system
12/22/1999EP0965140A1 Current-controlled output stage for electromagnetic actuators
12/22/1999CN2355496Y Switching power sources with overcurrent protection
12/22/1999CN1239601A Power unit and voltage transformer
12/22/1999CN1239347A Self-exciting d.c-d. c converter and source device
12/22/1999CN1239346A Arrangement having switched-mode power supply and microprocessor
12/22/1999CN1047697C Power-supply circuit with transformer and on/off switch at secondary side of transformer
12/21/1999US6005789 Circuit for inhibiting transition phenomenon in power supply unit
12/21/1999US6005785 Power supply circuit
12/21/1999US6005782 Flyback converter with soft switching using auxiliary switch and resonant circuit
12/21/1999US6005781 Two switch off-line switching converter
12/21/1999US6005773 Board-mountable power supply module
12/21/1999US6005761 Overheat protection device, semiconductor switch apparatus using the same, and intelligent power module
12/21/1999US6005435 High-voltage generating circuit
12/21/1999US6005434 Substrate potential generation circuit that can suppress variation of output voltage with respect to change in external power supply voltage and environment temperature
12/21/1999US6005377 Programmable digital controller for switch mode power conversion and power supply employing the same
12/21/1999US6005370 Automatic rate control for defibrillator capacitor charging
12/21/1999US6005302 Fixed-cycle power-supply circuit with an at least temporarily active consumer-independent load
12/21/1999CA2113762C High speed and low drift charge pump circuit
12/21/1999CA2053737C Converter input/output voltage balancing control
12/16/1999WO1999065135A1 Noise suppression system for a power supply
12/16/1999DE19826152A1 Anordnung mit einem Schaltnetzteil und einem Mikroprozessor Arrangement with a switching power supply and a microprocessor
12/15/1999EP0964505A2 Self-excited DC-DC converter and a power supply device using same
12/15/1999EP0964503A2 Arrangement having a switched-mode power supply and a microprocessor
12/15/1999EP0963685A1 High frequency heating equipment
12/15/1999EP0838051A4 Pulse generator
12/15/1999CN1238590A Voltage upconverter for portable TDMA radio
12/15/1999CN1047486C Circuit device and method for driving piezoelectric transformer
12/14/1999US6002603 Balanced boost/buck DC to DC converter
12/14/1999US6002602 Switching power source with power outage detection signal
12/14/1999US6002600 Reversible polarity high voltage power supply
12/14/1999US6002599 Voltage regulation circuit with adaptive swing clock scheme
12/14/1999US6002598 Switched-mode power supply having an improved start-up circuit
12/14/1999US6002597 Synchronous rectifier having dynamically adjustable current rating and method of operation thereof
12/14/1999US6002596 Modular power supply having an input and output module and method of operation thereof
12/14/1999US6002241 Dual mode split-boost converter and method of operation thereof
12/09/1999WO1999063651A1 Symmetry device
12/09/1999WO1999063650A1 Solid state transformer
12/08/1999EP0963032A1 AC-DC Converter
12/08/1999EP0939925A4 Self-compensating resonant switching power converter
12/08/1999EP0801840A4 High efficiency voltage doubler
12/08/1999EP0793872B1 Power-supply circuit with a transformer and an on/off switch at the secondary side of the transformer
12/08/1999CN1238098A Quick-reset circuit for auxiliary power supply
12/08/1999CN1238097A Power supply for standby operation
12/08/1999CN1238096A Stand by power supply for video display apparatus
12/08/1999CN1238073A Fault control circuit for switched power supply
12/08/1999CN1238072A Auxiliary power supply control
12/08/1999CN1238071A Fault control circuit for switched power supply
12/07/1999US5999433 Half-bridge DC to DC converter with low output current ripple
12/07/1999US5999429 Bulk filter capacitor discharge in a switching power supply
12/07/1999US5999426 Circuitry for voltage pole reversal
12/07/1999US5999425 Charge pump architecture for integrated circuit
12/07/1999US5999424 Bi-directional energy diode converter using multipulse control
12/07/1999US5999421 Dual-channel power system with an eight-pin PWM control chip
12/07/1999US5999420 Switching power source
12/07/1999US5999419 Non-isolated boost converter with current steering
12/07/1999US5999417 High efficiency power converter
12/07/1999US5999040 Voltage booster circuit with controlled number of stages
12/07/1999US5999009 Semiconductor integrated circuit with an internal voltage generating circuit requiring a reduced occupied area
12/07/1999US5998982 Switched-mode power supply with state information
12/07/1999US5998977 Switching power supplies with linear precharge, pseudo-buck and pseudo-boost modes
12/07/1999US5998960 Power supply system for electric vehicle
12/07/1999US5998937 Light controller connected to piezoelectric transformer for controlling cold cathode tube by changing frequency or duty factor depending upon luminous intensity
12/02/1999WO1999062168A1 Packaging of a dc-to-dc converter
12/02/1999WO1999062085A1 Power regulator
12/02/1999WO1999061965A1 Switching power supplies with linear precharge, pseudo-buck and pseudo-boost modes
12/02/1999WO1999046611A3 Power supply circuit
12/02/1999DE19824409A1 AC-DC-Wandler AC-DC Converters
12/01/1999EP0960470A1 Circuit and method for generating a voltage
12/01/1999EP0960469A1 Charged pump for dividing input voltage and multiplying output current
12/01/1999EP0960468A1 Multi-deck power converter module
12/01/1999CN1237286A Pulse current source for switch network unit
12/01/1999CN1047039C Switched-mode power supply with transformer and feedback via primary winding
11/1999
11/30/1999US5995891 Automotive occupant restraint system with energy reserve circuit
11/30/1999US5995399 Power supply control circuit for a DC pump containing a waveform process circuit
11/30/1999US5995397 Power supply controlling apparatus for printer
11/30/1999US5995393 Latching shutdown and delayed restart of DC power supply in broadband network
11/30/1999US5995390 Power supply control device
11/30/1999US5995389 Power supply control device
11/30/1999US5995388 Switched-mode power supply with low power loss standby operation
11/30/1999US5995387 Switching power-supply unit
11/30/1999US5995386 Control circuit arrangement for limiting output current in power switching transistor
11/30/1999US5995385 RCC-type switching power supply
11/30/1999US5995384 Functional on/off switch for switched-mode power supply circuit with burst mode operation
11/30/1999US5995383 Low cost AC-to-DC converter having input current with reduced harmonics
11/30/1999US5995382 Self-oscillation type switching power supply
11/30/1999US5995381 Pulse width modulation controlled switching regulator
11/30/1999US5994949 Negative voltage charge pump particularly for flash EEPROM memories
11/30/1999US5994888 Semiconductor device reducing voltage consumption in voltage-detection circuit
11/30/1999US5994885 Control circuit and method for maintaining high efficiency over broad current ranges in a switching regulator circuit
11/30/1999US5994882 Synchronous rectifier for boost converters
11/30/1999US5994789 Control system for an electric vehicle
11/30/1999US5992005 Method of manufacturing a power magnetic device
11/25/1999WO1999060693A1 Cascade of voltage multipliers
11/25/1999DE19823360A1 Power supply circuit for transforming line supply voltage to safe low voltage