| Patents for G05F 1 - Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems (37,749) |
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| 11/19/2013 | US8587272 Balancing temperatures in a multi-phase DC/DC converter |
| 11/19/2013 | US8587271 Envelope tracking power supply circuit and high-frequency amplifier including envelope tracking power supply circuit |
| 11/19/2013 | US8587270 PWM limiter circuit having comparator and switch, and semiconductor device using the same |
| 11/19/2013 | US8587269 Cycle by cycle synchronous buck converter control based on external clock |
| 11/19/2013 | US8587268 System and method for providing an active current assist with analog bypass for a switcher circuit |
| 11/19/2013 | US8587267 Current-fed converter |
| 11/19/2013 | US8587266 Synchronous regulation circuit for turn-on and turn-off phase angle of the AC voltage |
| 11/19/2013 | US8587265 Control circuit for DC-DC converter, DC-DC converter, and method for controlling DC-DC converter |
| 11/19/2013 | US8587264 System, method and apparatus to automatically detect a type of a variable output DC power source |
| 11/19/2013 | US8587249 Power unit for electric vehicle |
| 11/19/2013 | US8587221 DC/DC converter with multiple outputs |
| 11/19/2013 | US8587217 Multi-LED control |
| 11/19/2013 | US8585212 Lighting system and method for operating a lighting system |
| 11/14/2013 | US20130300392 System and method of dynamic droop for switched mode regulators |
| 11/14/2013 | US20130300389 Regulator circuit |
| 11/14/2013 | US20130300388 System and method of predictive current feedback for switched mode regulators |
| 11/14/2013 | US20130300387 Method of forming a semiconductor device and structure thereof |
| 11/14/2013 | US20130300386 Integrated circuit device, voltage regulation circuitry and method for regulating a voltage supply signal |
| 11/14/2013 | US20130300384 Isolated switching mode power supply and the method thereof |
| 11/14/2013 | US20130300383 Current mode control for dc-dc converter |
| 11/14/2013 | US20130300382 Regulating cascode circuit with self-calibration capability |
| 11/14/2013 | US20130300381 Power converter apparatus |
| 11/14/2013 | US20130300297 System and Method for Driving LED |
| 11/13/2013 | EP2661773A2 Semiconductor device arrangement with a first semiconductor device and with a plurality of second semi conductor devices |
| 11/13/2013 | CN203289344U AC/DC (alternating-current/direct-current) conversion circuit |
| 11/13/2013 | CN203287811U Maximum power tracking control circuit based on BUCK circuit |
| 11/13/2013 | CN203287810U Serial-connection negative feedback voltage stabilizing power circuit |
| 11/13/2013 | CN203287809U High-precision negative feedback power circuit |
| 11/13/2013 | CN203287808U PID (Proportional-Integral-Differential) regulating circuit with upper limit and lower limit |
| 11/13/2013 | CN203287807U Circuit capable of achieving startup and shutdown and mode switchover and electronic equipment |
| 11/13/2013 | CN203287806U Mixed type regulated power supply |
| 11/13/2013 | CN203287805U Serial-connection negative feedback power circuit |
| 11/13/2013 | CN203287804U Voltage-stabilized power supply |
| 11/13/2013 | CN203287803U Voltage regulation circuit |
| 11/13/2013 | CN103392159A Voltage regulator having current and voltage foldback based upon load impedance |
| 11/13/2013 | CN103391110A Transceiver and voltage correction method |
| 11/13/2013 | CN103391075A Improved accessory detection over temperature |
| 11/13/2013 | CN103389773A Parallel current sharing fast dynamic power adjusting circuit of power supply array simulator |
| 11/13/2013 | CN103389772A Band-gap reference voltage source with adjustable output voltage |
| 11/13/2013 | CN103389771A Low power consumption voltage regulator circuit |
| 11/13/2013 | CN103389770A Manufacture procedure controller capable of adjusting electric quantity and method for adjusting electric quantity |
| 11/13/2013 | CN103389769A Band-gap reference voltage source with high power supply rejection ratio |
| 11/13/2013 | CN103389768A Differential signaling driver |
| 11/13/2013 | CN103389767A Constant current driver and control method thereof |
| 11/13/2013 | CN103389766A Sub-threshold non-bandgap reference voltage source |
| 11/13/2013 | CN103389765A Method for adjusting power amplifier grid bias voltage to realize energy conservation and consumption reduction according to requirements |
| 11/13/2013 | CN103389764A Low-voltage Bandgap voltage reference circuit and realizing method thereof |
| 11/13/2013 | CN103389763A Low dropout regulator (LDO) and power supply rejection ratio (PSRR) improving method thereof |
| 11/13/2013 | CN103389762A Startup circuit and bandgap reference source circuit with startup circuit |
| 11/13/2013 | CN102622035B Maximum power point tracking control method for photovoltaic inverter |
| 11/13/2013 | CN102375465B Linear voltage regulator and current sensing circuit thereof |
| 11/13/2013 | CN102354239B Method for regulating mechanical potentiometer in digital potentiometer voltage-regulation circuit |
| 11/13/2013 | CN102105981B Semiconductor package with integrated interference shielding and method of manufacture therof |
| 11/12/2013 | USRE44587 DC/DC converter with adaptive drive voltage supply |
| 11/12/2013 | US8582333 Integration of switched capacitor networks for power delivery |
| 11/12/2013 | US8582271 Over-voltage protection for power and data applications |
| 11/12/2013 | US8581659 Current controlled current source, and methods of controlling a current source and/or regulating a circuit |
| 11/12/2013 | US8581658 Charge pump |
| 11/12/2013 | US8581657 Voltage divider, constant voltage circuit using same, and trimming method in the voltage divider circuit |
| 11/12/2013 | US8581567 Controlling switching regulator under light load conditions |
| 11/12/2013 | US8581566 Power supply controller having analog to digital converter |
| 11/12/2013 | US8581565 DC-to-DC converter having secondary-side digital sensing and control |
| 11/12/2013 | US8581564 Switching power supply apparatus |
| 11/12/2013 | US8581563 Power supply device |
| 11/12/2013 | US8581562 SIDO power converter and driving method thereof |
| 11/12/2013 | US8581561 DC-DC boost converter circuit with an output stabilization circuit and method for driving the same |
| 11/12/2013 | US8581560 Voltage regulator circuit for generating a supply voltage in different modes |
| 11/12/2013 | US8581517 Systems and methods for driving a light source |
| 11/12/2013 | US8581515 Light emitting diode driver |
| 11/12/2013 | US8581514 Dimming circuit and method for LEDs |
| 11/12/2013 | US8581513 Battery powered wireless DMX led lighting system |
| 11/12/2013 | US8581509 Driving circuit having a power factor correction (PFC) function |
| 11/07/2013 | WO2013165401A1 Voltage regulator with adaptive control |
| 11/07/2013 | WO2013164744A1 Current generator device and method of generating a current wave |
| 11/07/2013 | US20130294118 Output Current Estimation for an Isolated Flyback Converter With Variable Switching Frequency Control and Duty Cycle Adjustment for Both PWM and PFM Modes |
| 11/07/2013 | US20130293288 Chip control method and device |
| 11/07/2013 | US20130293284 Digitally programmable high voltage charge pump |
| 11/07/2013 | US20130293276 Avs master slave |
| 11/07/2013 | US20130293213 Start-up circuit and method thereof |
| 11/07/2013 | US20130293212 System and method of balanced slope compensation for switch mode regulators |
| 11/07/2013 | US20130293211 Method and Apparatus for All Duty Current Sensing in Current Mode Converter |
| 11/07/2013 | US20130293210 Coupled voltage converters |
| 11/07/2013 | US20130293209 Voltage Regulator and Voltage Regulation Method |
| 11/07/2013 | US20130293208 Multiple Chip Voltage Feedback Technique for Driving LED's |
| 11/07/2013 | US20130293207 Power supply with a magnetically uncoupled phase and an odd number of magnetically coupled phases, and control for a power supply with magnetically coupled and magnetically uncoupled phases |
| 11/07/2013 | US20130293205 Control of cross-over point |
| 11/07/2013 | US20130293203 Current Balance Circuit and Multiphase DC-DC Converter and Current Balance Method Thereof |
| 11/07/2013 | DE102012105807B3 Verfahren und Vorrichtung zur Bestimmung und Signalisierung einer Modultechnologie eines Photovoltaikgenerators Method and apparatus for determining and signaling a module technology of a photovoltaic generator |
| 11/06/2013 | EP2659746A1 Power supply |
| 11/06/2013 | CN203276083U Photovoltaic cell power tracking controller |
| 11/06/2013 | CN203276082U Power amplifier power supply for communication |
| 11/06/2013 | CN203276081U Low-power-consumption power source voltage stabilizer |
| 11/06/2013 | CN203276080U Single-proton detector bias voltage generating circuit based on avalanche photodiode |
| 11/06/2013 | CN203276079U Module for acquiring signals in remote monitoring on distribution transformer |
| 11/06/2013 | CN203276078U Carbon brush contact self-coupling type alternating current voltage stabilizer based on segmented variable cross-section winding |
| 11/06/2013 | CN203276077U Energy-saving self-coupling voltage regulating type voltage stabilizer |
| 11/06/2013 | CN103384079A Method and circuit for tracking maximum power of small and medium-sized direct-driven wind power generation systems |
| 11/06/2013 | CN103383586A Method of controlling a power feed and apparatus |
| 11/06/2013 | CN103383585A Wide input range and ultra low temperature drift band gap reference voltage source |
| 11/06/2013 | CN103383584A Segmented temperature compensation system |