Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
11/2004
11/18/2004US20040227497 Power supply apparatus
11/18/2004US20040227496 Switching power supply apparatus
11/18/2004US20040227494 Constant voltage discharge device
11/18/2004US20040227405 Power supply circuit including stably operating voltage regulators
11/18/2004US20040227404 Controlling devices using cascaded control units
11/18/2004US20040227156 Surface mounted power supply circuit apparatus and method for manufacturing it
11/18/2004DE4208911B4 Spannungsversorgung Power supply
11/18/2004DE202004014727U1 Supply circuit for a consumer using a high current for a short time especially a light diode has power limiting regulator connected to an energy store
11/18/2004DE202004014356U1 Ladegerät Charger
11/18/2004DE10317380A1 Direct current (DC)-DC converter for converting a higher input voltage into a lower output voltage has a series connection for a choke and a capacitor
11/18/2004DE10297335T5 Spannungserfassungsschaltung und dieselbe benutzende Erzeugungsschaltung für interne Spannung Voltage detection circuit and the same-use internal voltage generating circuit for
11/18/2004CA2524513A1 Power unit having self-oscillating series resonance converter
11/17/2004EP1478084A1 A digital power converting method and device with zero voltage
11/17/2004EP1478083A2 Constant voltage discharge device
11/17/2004EP1477022A1 Power supply unit comprising a switched-mode power supply
11/17/2004EP1476929A2 Hybrid power supply
11/17/2004EP1352464B1 Preconditioner
11/17/2004EP1190480B1 Dynamically-switched power converter
11/17/2004EP1138093B1 High voltage power supply using thin metal film batteries
11/17/2004CN1547798A Power supply with a reduced harmonic load on the mains system, and a corresponding appliance
11/17/2004CN1547797A Switching power supply
11/17/2004CN1547686A Electronic ballast for cold cathode fluorescent lamp with dimming
11/17/2004CN1547322A Tandem type remote controller employing switching power supply
11/17/2004CN1547319A Forward circuit combining active clamping and accessory power supply circuit
11/17/2004CN1547318A Control circuit for control system power source
11/17/2004CN1547317A Mother technique of discrete digit constant energy wave chopping and current transformation
11/16/2004US6819619 Semiconductor memory device allowing reduction of an area loss
11/16/2004US6819574 Self-driven circuit for synchronous rectifier DC/DC converter
11/16/2004US6819573 DC to DC switching power converter with partial-swing switching and method
11/16/2004US6819165 Voltage regulator with dynamically boosted bias current
11/16/2004US6819162 Charge pump for negative voltages
11/16/2004US6819094 Constant-current/constant-voltage circuit architecture
11/16/2004US6819091 Switching power supply apparatus with over-temperature protection
11/16/2004US6819088 DC-DC converter with resonant gate drive
11/16/2004US6819061 Power supply apparatus for light source
11/16/2004US6819011 Switching power converter controller with watchdog timer
11/11/2004WO2004098064A2 Power converter architecture and method for integrated fuel cell based power supplies
11/11/2004WO2004098037A1 Continuos current converter
11/11/2004WO2004098036A1 Power supply controller
11/11/2004WO2004098035A1 Power converter architecture and method for integrated fuel cell based power supplies
11/11/2004WO2004098034A1 Step-up/down dc-dc converter
11/11/2004WO2004098033A1 Sequencing power supplies
11/11/2004WO2004098032A1 Power supply arrangements
11/11/2004WO2004097905A2 Dc-dc converter implemented in a land grid array package
11/11/2004WO2004097866A1 Apparatus for supplying energy to a load and a related system
11/11/2004WO2004047249A3 Control ic for low power auxiliary supplies
11/11/2004US20040223351 Power conversion apparatus and solar power generation system
11/11/2004US20040223345 Power unit having self-oscillating series resonance converter
11/11/2004US20040223344 Active clamp DC/DC converter with resonant transition system
11/11/2004US20040223310 Printed circuit board and apparatus using the same
11/11/2004US20040223290 Ultra low inductance multi layer ceramic capacitor
11/11/2004US20040223281 Power converter
11/11/2004US20040223277 Fault protected self-oscillating driver
11/11/2004US20040222873 Transformer assembly, and power conversion apparatus and solar power generation apparatus using the same
11/11/2004US20040222841 Charge pump circuit without body effects
11/11/2004US20040222776 Bi-directional DC/DC power converter having a neutral terminal
11/11/2004US20040222775 Charge pump type DC/DC converter
11/11/2004US20040222774 Switched-mode power supply with a power factor correction circuit as well as a coil for correction circuit for this purpose
11/11/2004US20040222773 Fully integrated DC-to-DC regulator utilizing on-chip inductors with high frequency magnetic materials
11/11/2004US20040222771 Battery power circuit and automobile battery power circuit
11/11/2004US20040222718 Piezoelectric transformer and strobe apparatus having the piezoelectric transfer
11/11/2004US20040222484 Active rectifier
11/11/2004DE10146549B9 Verfahren zum Betrieb eines Schaltnetzteils sowie danach arbeitendes Schaltnetzteil Method for operating a switching power supply and then working switching power supply
11/11/2004CA2522173A1 Apparatus for supplying energy to a load and a related system
11/10/2004EP1475881A2 Power converter
11/10/2004EP1475812A2 Electric component and method of producing the same
11/10/2004EP1475809A2 Transformer assembly, and power conversion apparatus and solar power generation apparatus using the same
11/10/2004EP1474957A1 High power factor electronic ballast with lossless switching
11/10/2004EP0809885B1 Circuit configuration for feeding a pulse output stage
11/10/2004CN2655512Y Power module for diesel engine common rail system controlling unit
11/10/2004CN1545757A Thermal compensation method and device for circuits with temperature-dependent current sensing elements
11/10/2004CN1545756A Switched-mode power supply with a power factor correction circuit as well as a coil for a correction circuit for this purpose
11/10/2004CN1545200A Two-way two-tube positive excitation converter topology
11/10/2004CN1545196A Voltage self-driving synchronous rectification circuit
11/10/2004CN1545195A Positive and negative excitation bidirectional DC-DC converter
11/10/2004CN1545194A Cascading bidirectional DC-DC converter
11/10/2004CN1545193A Circuit for improving conversion efficiency of non-isolating converter
11/10/2004CN1545192A A single-stage power factor correcting circuit
11/10/2004CN1175551C DC-DC converter and high voltage generating circuit
11/10/2004CN1175550C Switch voltage stabilizer controlling circuit capable of avoiding damage of switch element
11/09/2004US6816395 Switching power source device
11/09/2004US6816393 Switching power supply
11/09/2004US6816392 Overcurrent output protecting circuit and constant-voltage switching power supply incorporating the same
11/09/2004US6816001 Low power charge pump circuit
11/09/2004US6816000 Booster circuit
11/09/2004US6815999 Adaptive phase control for charge pumps
11/09/2004US6815939 Switching power supply unit
11/09/2004US6815938 Power supply unit having a soft start functionality and portable apparatus equipped with such power supply unit
11/09/2004US6815937 Stepping inductor for fast transient response of switching converter
11/09/2004US6815936 Closed loop diode emulator for DC-DC converter
11/09/2004US6815935 Power supply
11/09/2004US6815909 Circuit arrangement for generating a high voltage
11/09/2004US6815843 Power supply device
11/09/2004US6815639 Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source
11/04/2004WO2004095681A2 Control loop for switching power converters
11/04/2004WO2004062074A3 High voltage ripple reduction and substrate protection
11/04/2004WO2004047264A3 Power converter circuitry and method
11/04/2004US20040221182 Pre-emptive power supply control system and method
11/04/2004US20040219399 Power converter architecture and method for integrated fuel cell based power supplies
11/04/2004US20040218410 Switching power supply, and a method of driving the same