| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 11/18/2014 | US8890501 System and method for soft-starting a power converter with a pre-charged output |
| 11/18/2014 | US8890499 Buck DC-DC converter with improved accuracy |
| 11/18/2014 | US8890498 Driving circuit to turn off switching element by voltage from voltage storage unit and converter including driving circuit |
| 11/18/2014 | US8890496 Drive controller |
| 11/18/2014 | US8890494 Wide input voltage range power supply circuit |
| 11/18/2014 | US8890493 Highly simplified switching regulator which allows very high switching frequencies |
| 11/18/2014 | US8890453 Power conversion apparatus |
| 11/18/2014 | US8890441 Load driving device and LED lighting appliance therewith |
| 11/18/2014 | US8890422 LED power supply |
| 11/18/2014 | US8890368 Systems and methods for power transfer based on resonance coupling of inductors |
| 11/18/2014 | US8889511 Methods of manufacturing power semiconductor devices with trenched shielded split gate transistor |
| 11/13/2014 | US20140337568 Electronic device and method for operating the same |
| 11/13/2014 | US20140334208 Synchronous rectification in the three-level inverter-converter topologies |
| 11/13/2014 | US20140334197 Power supply |
| 11/13/2014 | US20140334196 Control device for multiphase interleaved dc-dc converter and control method thereof |
| 11/13/2014 | US20140334195 Managing leakage inductance in a power supply |
| 11/13/2014 | US20140334194 Resonant Transition Controlled Flyback |
| 11/13/2014 | US20140334193 Self-oscillating loop based piezoelectric power converter |
| 11/13/2014 | US20140334192 Piezoelectric power converter with bi-directional power transfer |
| 11/13/2014 | US20140334191 Dc-dc conversion device |
| 11/13/2014 | US20140334190 Variable frequency iteration mppt for resonant power converters |
| 11/13/2014 | US20140334189 Bi-directional dc-dc converter |
| 11/13/2014 | US20140334188 Soft Switching Converter by Steering the Magnetizing Current |
| 11/13/2014 | US20140334186 Energy-saving power converter |
| 11/13/2014 | US20140334185 Switching power supply apparatus |
| 11/13/2014 | US20140333279 Choke circuit, and bus power supply incorporating same |
| 11/13/2014 | US20140333278 Dc-dc controller and multi-ramp signal operating method thereof |
| 11/13/2014 | US20140333277 Fast transient buck regulator with dynamic charge/discharge capability |
| 11/13/2014 | US20140333276 DC/DC Converter Having a Step-Up Converter Supplying a Step-Down Converter |
| 11/13/2014 | US20140333275 Voltage boosting/lowering circuit and voltage boosting/lowering circuit control method |
| 11/13/2014 | US20140333274 Complex power management device and communication device |
| 11/13/2014 | US20140333273 Thermal balance conversion circuit |
| 11/13/2014 | US20140333272 Switching regulator with reduced body diode conduction |
| 11/13/2014 | US20140333271 Semiconductor apparatus |
| 11/13/2014 | US20140333269 System And Method For Sinking Excess Current And Creating A Biasing Voltage |
| 11/13/2014 | US20140333228 Dimmer detector for bleeder circuit activation |
| 11/11/2014 | US8885371 Multi-level parallel power converters |
| 11/11/2014 | US8885370 Current-fed isolation converter |
| 11/11/2014 | US8885366 DC-to-DC voltage regulator and its operating method thereof |
| 11/11/2014 | US8885365 Switching power supply device and method for control thereof |
| 11/11/2014 | US8885364 Flyback converter with primary side and secondary side feedback control and method for the same |
| 11/11/2014 | US8885363 Dual-mode switching power control device |
| 11/11/2014 | US8885362 Fast startup switching converter and method thereof |
| 11/11/2014 | US8885361 Low power switch mode power supply |
| 11/11/2014 | US8884627 Apparatus for detecting short-circuit of output diode in converter |
| 11/11/2014 | US8884600 Average inductor current control using variable reference voltage |
| 11/11/2014 | US8884599 Switching converter control circuit |
| 11/11/2014 | US8884598 Method and apparatus for operating a DC/DC converter |
| 11/11/2014 | US8884593 Voltage converter for providing a positive and a negative voltage |
| 11/11/2014 | US8884592 Frequency lock loop for hysteretic switching regulators |
| 11/11/2014 | US8884591 Control circuit for discontinuous conduction mode power factor correction converter using harmonic modulation |
| 11/11/2014 | US8884564 Voltage converter and voltage converter system including voltage converter |
| 11/11/2014 | US8884551 Flyback switching regulator with primary side regulation |
| 11/11/2014 | US8884540 Power supply device and lighting equipment provided with power supply device |
| 11/11/2014 | US8884464 Twin boost converter with integrated charger for UPS system |
| 11/06/2014 | US20140328095 Switched capacitor voltage converting device and switched capacitor voltage converting method |
| 11/06/2014 | US20140328090 Switching power supply apparatus and semiconductor device |
| 11/06/2014 | US20140328089 On time sampling prevention |
| 11/06/2014 | US20140328088 Power supply circuit |
| 11/06/2014 | US20140328087 Apparatus and Method for Implementing a Multiple Function Pin in a BCM Power Supply |
| 11/06/2014 | US20140328086 Activation apparatus and method for activating a direct voltage converter |
| 11/06/2014 | US20140327718 Power supply system and ink-jet image forming apparatus |
| 11/06/2014 | US20140327479 Efficient gate drivers for switched capacitor converters |
| 11/06/2014 | US20140327424 Power conversion device |
| 11/06/2014 | US20140327423 Dc-dc converter controller |
| 11/06/2014 | US20140327422 Dc-dc converter with adaptive minimum on-time |
| 11/06/2014 | US20140327421 Switching regulator and method for controlling the switching regulator |
| 11/06/2014 | US20140327420 Power supply and dc-dc converter therein |
| 11/06/2014 | US20140327417 Voltage Adjustment Method, and Voltage Pre-Regulator Power Supply Circuit and System |
| 11/06/2014 | US20140327365 A constant current source circuit and a sampling circuit |
| 11/04/2014 | US8879943 Power supply system and image forming apparatus |
| 11/04/2014 | US8879312 Supply voltage generating circuit and semiconductor device having the same |
| 11/04/2014 | US8879289 Systems and methods for flyback power converters with switching frequency and peak current adjustments based on changes in feedback signals |
| 11/04/2014 | US8879283 System and method providing protection in the event of current sensing failure for power converter |
| 11/04/2014 | US8879282 Control methods for switching power supplies |
| 11/04/2014 | US8879281 Switching power source device |
| 11/04/2014 | US8879280 Techniques to reduce audible noise in a power supply transformer |
| 11/04/2014 | US8879279 Systems and methods for constant current control in an LLC resonant power regulator |
| 11/04/2014 | US8878621 Temperature-compensated semiconductor resistor device |
| 11/04/2014 | US8878606 Inductance based parallel amplifier phase compensation |
| 11/04/2014 | US8878593 Switch control circuit and power supply device including the same |
| 11/04/2014 | US8878514 Powering down switching regulator using a ramped reference voltage |
| 11/04/2014 | US8878513 Regulator providing multiple output voltages with different voltage levels |
| 11/04/2014 | US8878509 Current-mode controller for step-down (buck) converter |
| 11/04/2014 | US8878508 DC-DC converter control circuit and control method |
| 11/04/2014 | US8878504 Switching regulator |
| 11/04/2014 | US8878503 Voltage regulator with compensation to inhibit undershoot |
| 11/04/2014 | US8878501 Multi-phase power block for a switching regulator for use with a single-phase PWM controller |
| 11/04/2014 | US8878389 Method and apparatus for providing uninterruptible power |
| 11/04/2014 | US8877324 Polyamides as binders for printing inks |
| 10/30/2014 | US20140321170 Integrated primary startup bias and mosfet driver |
| 10/30/2014 | US20140321169 Circuit configuration having a resonant converter, and method for operating a resonant converter |
| 10/30/2014 | US20140321168 Resonance-type power supply apparatus |
| 10/30/2014 | US20140321167 Power supply with voltage output responsive to load demand |
| 10/30/2014 | US20140320107 DC/DC Converter, Power Supply Circuit, And Semiconductor Device |
| 10/30/2014 | US20140320104 Advanced control circuit for switched-mode dc-dc converter |
| 10/30/2014 | US20140320103 Direct Current Control with Low E-M Emission |
| 10/30/2014 | US20140320102 Voltage regulator with adaptive control |
| 10/30/2014 | US20140320101 Digital Average Input Current Control in Power Converter |
| 10/30/2014 | US20140320100 Converter circuit and method for converting an input voltage to an output voltage |