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| Number | Title | Issue Date |
| 8093882 | Low heat dissipation I/O module using direct drive buck converter A current-loop output circuit for an industrial controller provides for low power dissipation and reduced part count by driving current loads of different resistances directly from a switched voltage source. Proper filtering and design of a feedback loop allows the ... | 01/10/2012 |
| 8054060 | Configurable feed-forward circuit for a power supply A switched mode power supply unit realized by an integrated circuit comprising a control circuit controlling the operation of the switched mode power supply unit, wherein the control circuit is configured to provide a plurality of different circuit configurations fo... | 11/08/2011 |
| 7999530 | Device under test power supply A power supply with and input and output includes an amplifier configured to set an output voltage of the power supply output equal to a fixed input voltage for the power supply. The power supply has a first output stage coupled to the amplifier and configured to so... | 08/16/2011 |
| 7902809 | DC/DC converter including a depletion mode power switch A buck converter circuit is disclosed in which one or both of the control switch and the synchronous switch are III-nitride-based depletion mode. An enhancement mode switch is connected with one or both of the III-nitride based switches and operated to prevent condu... | 03/08/2011 |
| 7898238 | Generating an output DC voltage with a boost converter having a controlled pulse-duty factor A method of generating an output DC voltage of a gas discharge process voltage supply unit, in which in a first voltage transformation stage a first DC voltage is transformed into a second DC voltage of a predetermined voltage range, and the output DC voltage is gen... | 03/01/2011 |
| 7859244 | Self configuring voltage regulators Some of the embodiments of the present invention provide a voltage regulator comprising a first driver, a second driver, and a controller configured to control the first driver and the second driver to selectably operate in one of a plurality of operating modes, inc... | 12/28/2010 |
| 7830133 | Dual circuit wall switch occupancy sensor and method of operating same A method and apparatus are provided for detecting occupancy in an area using multiple detection technologies (e.g., ultrasound and infrared sensing) to intelligently control switching of plural load circuits whereby one of the circuits is affected by photocell contr... | 11/09/2010 |
| 7812588 | Output voltage adaptive voltage converting apparatus and method thereof The present invention is related to, in general, an output voltage adaptive converting apparatus and method thereof. The invention provides an output voltage adaptive voltage converting apparatus, comprising a clock generating unit that generates predetermined clock... | 10/12/2010 |
| 7804287 | Low heat dissipation I/O module using direct drive buck converter A current-loop output circuit for an industrial controller provides for low power dissipation and reduced part count by driving current loads of different resistances directly from a switched voltage source. Proper filtering and design of a feedback loop allows the ... | 09/28/2010 |
| 7710098 | Power supply driver circuit A high-side driver circuit for a switching power supply, configured to translate a low-side switching control signal referenced to a first ground rail to a high-side switching control signal referenced to a second, high-side ground rail for driving a switching contr... | 05/04/2010 |
| 7710099 | Power control apparatus for motherboard A power control apparatus for automatically turning on or off a motherboard includes a first connector, a second connector, and a control circuit. The control circuit includes a timing chip, a first variable resistor, a second variable resistor, a first capacitor, a... | 05/04/2010 |
| 7609047 | Dynamically configurable voltage regulator for integrated circuits A voltage regulator architecture for an integrated circuit is described. An apparatus may comprise a power switch array having multiple pass transistors, a voltage regulator array having multiple voltage regulators each coupled to a subset of the pass transistors, a... | 10/27/2009 |
| 7545134 | Power supply controller and method therefor In one embodiment, a power supply controller is configured to form a reference signal that has selectable values. The power supply controller is also configured to form a feed-forward signal in response to change in the value of the reference voltage and to use this... | 06/09/2009 |
| 7508185 | Simple zero current switch circuit A simple zero current switch circuit includes a first coil set and a second coil set that are wound at a selected coil ratio and bridge electrically an energy storing inductor, an output diode and a conduction switch of a power-factor corrector. The leaking inductan... | 03/24/2009 |
| 7504815 | Switch mode power supply control systems We describe a switch mode power supply (SMPS) controller employing a combination of pulse frequency and pulse width modulation. The controller employs a “gear box” control scheme using two complementary control loops, one for real-time control of the SMPS using ... | 03/17/2009 |
| 7449874 | System and method for voltage control of adjustable regulators A voltage regulator system is disclosed for providing a regulated voltage supply. The voltage regulator system includes a power supply input node for receiving a power supply input voltage, a regulated voltage output node for providing a regulated output voltage, an... | 11/11/2008 |
| 7429850 | Bias voltage converter A circuit to generate a bias voltage, the circuit including an inductor, a first capacitor associated with the second inductor node, a diode, and a second capacitor being associated with ground, the second capacitor including a second capacitor node, a switch config... | 09/30/2008 |
| 7408334 | DC converter with halt mode setting means A DC converter with a halt mode setting is disclosed for preventing the occurrence of over-current while alleviating the increase in the size of circuits, along with a method for setting up such a halt mode. The DC converter includes a semiconductor switch, a clock ... | 08/05/2008 |
| 7402988 | Switching regulator A switching regulator includes a reference voltage generator and a switching-regulating module. The reference voltage generator receives a digital control signal and generates a reference voltage according to the digital control signal. The switching-regulating modu... | 07/22/2008 |
| 7403399 | Active primary-sided circuit arrangement for a switch-mode power supply The invention under consideration refers to a circuit arrangement for a switch-mode power supply, wherein the switch-mode power supply has a primary side, which can be connected to a supply voltage, and a secondary side, which can be connected to a consumer, and whe... | 07/22/2008 |
| 7394234 | Power supply circuit and test apparatus A power-supply circuit for supplying voltage to a load while freely selecting positive voltage and negative voltage using a single power supply has a power supply that generates power-supply voltage, an inverted outputting circuit having a positive voltage terminal ... | 07/01/2008 |
| 7391200 | P-channel power chip An integrated circuit device for delivering power to a load includes a P-MOS power transistor, an N-MOS bypass transistor and a gate driver circuit. The P-MOS power transistor is coupled between a supply voltage node and a power output node of the integrated circuit... | 06/24/2008 |
| 7372500 | Image signal processor for use with a solid-state imaging device A signal processor for reducing power consumption. The signal processor includes a signal processing circuit and a first regulator connected to the signal processing circuit. The first regulator receives an external regulated voltage from an external regulator conne... | 05/13/2008 |
| 7365522 | Multiple output stage converter and operating method thereof A multiple output stage converter (MOSC) and an operating method thereof are provided. The MOSC includes a first transistor, a second transistor, a third transistor, and a logic control module. A terminal of the first transistor, a terminal of the second transistor,... | 04/29/2008 |
| 7358627 | Electronic control systems and methods An apparatus in an electronic control system allows two or three wire operation. A power supply can supply power to the enclosed circuitry in both two and three wire installations. Two separate zero cross detectors are used such that timing information can be collec... | 04/15/2008 |
| 7342764 | Electronic control systems and methods An apparatus in an electronic control system allows two or three wire operation. A power supply can supply power to the enclosed circuitry in both two and three wire installations. Two separate zero cross detectors are used such that timing information can be collec... | 03/11/2008 |
| 7332879 | Control method and device for a power-converting module that drives a light-emitting component A control device, which controls a power-converting module that is coupled to a light-emitting component, includes a duration detecting unit and a control signal generator. The duration detecting unit compares the duration of a predetermined logic state of a pulsati... | 02/19/2008 |
| 7319579 | Snubber circuit A snubber circuit has a voltage detection circuit which detects that a voltage between first and second terminals exceeds a predetermined voltage, a protection circuit which performs control to prevent an overvoltage between the first and second terminals when the v... | 01/15/2008 |
| 7319311 | Step down switching regulator with the substrate of the switching transistor selectively connected to either its drain or source A switching regulator is disclosed that is able to prevent reverse direction current flow without using a dedicated diode even when a PMOS transistor is used as a switching transistor of a step-down switching regulator. A selection circuit is provided to control con... | 01/15/2008 |
| 7315159 | Power supply for switching operation, electronic apparatus including the same, and method of controlling the same An object of this invention is to finely set the voltage at high speed without decreasing the efficiency. In a power supply for switching operation including a switching circuit, an output circuit, a control table which stores data on the ON and OFF periods of the s... | 01/01/2008 |
| 7315153 | Switching power supply in an integrated circuit having a comparator with two threshold values, a synchronization input and output, voltage feedback and efficient current sensing A switching power supply circuit in which a series circuit comprising a resistive element and a capacitive element is provided in a parallel configuration with an inductor which supplies a load current to a load circuit, a voltage comparator having first and second ... | 01/01/2008 |
| 7307407 | Power supply apparatus In a power supply apparatus, in a standby mode, control signals for controlling a first MOSFET of a power supply apparatus to be turned on and a second MOSFET to be turned off are supplied to the gates of the first and second MOSFETs from a control circuit, respecti... | 12/11/2007 |
| 7274175 | Multiple output power supply that configures itself to multiple loads A two stage multiple output power supply device is capable of outputting programmable DC voltages onto multiple outputs. The first stage receives an AC supply voltage and outputs a DC supply voltage. The second stage includes a DC-ID controller and multiple DC-to-DC... | 09/25/2007 |
| 7271573 | Low loss DC/DC converter including a multi-level controller that applies a monotonic sequence of voltage levels A direct current to direct current converter includes first and second switches to output voltages on first and second output terminals in response to appropriate turn-on voltages at first and second control terminals. The first control terminal may selectively comm... | 09/18/2007 |
| 7268395 | Deep trench super switch device A deep trench super switch device has a plurality of trenches, each of the trenches containing a gate electrode polysilicon layer on top of a plurality of stacked conductive floating polysilicon layers, the remainder of each of the trenches being filled with a nonco... | 09/11/2007 |
| 7265525 | Self-driven scheme for synchronous rectifier having no body diode A voltage converter uses a component such as a JFET or four-terminal power MOSFET having no body diode and exhibiting no body diode conduction characteristic as a synchronous rectifier to reduce switching losses and body diode conduction losses and to support high f... | 09/04/2007 |
| 7265527 | Direct current multiplier A self-oscillating DCM is disclosed comprising two inductors that charge and discharge 180 degrees out of phase such that the charging inductor is conducting an upward ramping current and the discharging inductor is conducting a downward ramping current. A load rece... | 09/04/2007 |
| 7259334 | Multi-layer printed circuit with low noise A multi-layer printed circuit board having a low noise characteristic, the multi-layer printed circuit board includes at least one circuit layer; at least one isolation line for dividing the at least one circuit layer into at least two areas, the at least one isolat... | 08/21/2007 |
| 7259542 | System and method for controlling bidirectional three-phase DC/DC converter Disclosed are an apparatus and method for controlling a Direct Current (DC)/DC converter which controls energy flow between a first DC source and a second DC source to eliminate a high-frequency resonance. The apparatus for controlling the DC/DC converter includes a... | 08/21/2007 |
| 7256571 | Power supply dynamic set point circuit A regulator set point circuit. The circuit includes a voltage regulator configured to produce an output voltage. An adjustable voltage source is coupled to the voltage regulator via a feedback circuit, and is configured to generate a voltage adjust signal to control... | 08/14/2007 |
