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| Application No. | Application Title | Issue Date |
| 20120126861 | LOAD DRIVING CIRCUIT A load driving circuit in which the off-time Toff and the fall time Tf can be improved in turn-off operation of the N-channel type MOSFET used as a high side switch. The load driving circuit uses an N-channel type power MOSFET as a high side switch connected between a p... | 05/24/2012 |
| 20120126860 | GATE DRIVING CIRCUIT A highly-reliable gate driving circuit achieved by suppressing the amount of hot-carriers generated in a MOSFET. In the gate driving circuit having NOEMI circuits, same-type NOEMI circuits are connected in series with a p-channel MOSFET constituting a gate charging circ... | 05/24/2012 |
| 20120105398 | GATE DRIVING CIRCUIT AND DISPLAY APPARATUS HAVING THE SAME Provided is a gate driving circuit including cascade-connected stages that output gate signals. An n-th one of the stages (“n” is a natural number) includes a pull-up part, a pull-up controller, a first pull-down part, a second pull-down part, and a pull-down contro... | 05/03/2012 |
| 20120068739 | HIGHLY EFFICIENT CLASS-D AMPLIFIER A simplistic low cost circuit that generates the necessary drive voltage for use in a source follower totem pole power switching circuit is described where the simplified gate drive circuit may have a dual charge pump and a complementary pair of low-power switching Mosf... | 03/22/2012 |
| 20120049901 | Semiconductor Device and Method of Driving Semiconductor Device An object of the invention is to reduce the power consumption of a semiconductor device that requires a plurality of reference potentials and a method of driving the semiconductor device. Disclosed is a semiconductor device having a potential divider circuit in which a ... | 03/01/2012 |
| 20120049898 | Circuit Arrangement with an Adjustable Transistor Component A circuit arrangement includes a transistor component with a gate terminal, a control terminal, and a load path between a source and a drain terminal. A drive circuit is connected to the control terminal and configured to determine a load condition of the transistor com... | 03/01/2012 |
| 20120049902 | INTEGRATED ELECTRONIC DEVICE AND METHOD FOR MANUFACTURING THEREOF An embodiment of an integrated electronic device formed in a body of semiconductor material, which includes: a substrate of a first semiconductor material, the first semiconductor material having a first bandgap; a first epitaxial region of a second semiconductor materi... | 03/01/2012 |
| 20120049899 | SEMICONDUCTOR CHIP The present invention provides a semiconductor chip which is insusceptible to noise and whose consumption current is small. In a semiconductor chip, an internal power supply voltage for an internal circuit block is generated by a regulator having small current drive cap... | 03/01/2012 |
| 20120049900 | DC-DC CONVERTER A DC-DC converter based switching voltage regulator circuit is for powering a microprocessor including regulated power supplies configured to produce different output voltages. The DC-DC converter has an output power stage configured to generate a regulated DC supply vo... | 03/01/2012 |
| 20120039136 | CIRCUITS AND METHODS FOR REDUCING NOISE IN THE POWER SUPPLY OF CIRCUITS COUPLED TO A BIDIRECTIONAL BUS Circuits and methods for reducing noise in the power supply of circuits coupled to a bidirectional bus are presented. The circuits and methods are responsive to an idle condition on the bidirectional bus. The control signal is applied to and changes an electrical charac... | 02/16/2012 |
| 20120038392 | DRIVING CIRCUIT OF INSULATED GATE DEVICE A driving circuit for driving an insulated gate semiconductor device based on a voltage of an externally-inputted gate signal, where the insulated gate semiconductor device has a source, a drain and a gate, and a parasitic capacitor exists between the drain and the gate... | 02/16/2012 |
| 20120038391 | TRANSISTOR MODULE AND TRANSISTOR DRIVING MODULE The present invention discloses a transistor driving module, coupling to a converting controller, to driving a high side transistor and a low side transistor connected in series, wherein one end of the high side transistor is coupled to an input voltage and one end of t... | 02/16/2012 |
| 20120032714 | OUTPUT DRIVER DEVICE FOR INTEGRATED CIRCUIT A driver device drives a load circuit by a common output signal from a first driver transistor and a second driver transistor. The driver device includes a first pre-driver unit that outputs a first driver control signal to the first driver transistor in response to the... | 02/09/2012 |
| 20120032710 | SEMICONDUCTOR DEVICE DRIVING UNIT AND METHOD A semiconductor device (11) having a switching function of being turned on or off according to a voltage (Vge) of a driving signal supplied to a gate thereof is driven by generating a feedback voltage (VFE) based on a time change (dI/dt) of a collector... | 02/09/2012 |
| 20120032709 | SEMICONDUCTOR DEVICE DRIVING UNIT AND METHOD A turn-off feedback unit (23OFF) of a semiconductor device driving unit generates a feedback voltage as part of a voltage of a drive signal for establishing electrical continuity or disconnection in a bus according to a temporal variation of a collector current o... | 02/09/2012 |
| 20120032713 | Semiconductor Device and Power Supply Unit Utilizing the Same A semiconductor device has pluralities of grid array terminals forming a grid array structure, e.g. a BGA structure, in which the output end of a built-in switch circuit is connected to multiple terminals of the grid array structure, thereby reducing the current that fl... | 02/09/2012 |
| 20120032708 | GATE DRIVER POWER AND CONTROL SIGNAL TRANSMISSION CIRCUITS AND METHODS Methods, systems, and devices are described for both power and control signal transmission through a single coupled inductor. A current driver generates a cyclical current signal on a primary winding of a coupled inductor, to induce a voltage signal at the secondary win... | 02/09/2012 |
| 20120032657 | REDUCING SHOOT-THROUGH IN A SWITCHING VOLTAGE REGULATOR Methods, apparatuses, and devices for a voltage regulator are provided. In certain examples, a method for preventing shoot-through in a voltage regulator includes determining whether an output stage for a voltage regulator is operating in a continuous-conduction mode (C... | 02/09/2012 |
| 20120032712 | HIGH TEMPERATURE OPERATING PACKAGE AND CIRCUIT DESIGN The invention provides a semiconductor device that is thermally isolated from the printed circuit board such that the device operates at a higher temperature and radiates heat away from the printed circuit board. In another embodiment, the semiconductor is stacked onto ... | 02/09/2012 |
| 20120032711 | SYSTEM AND METHOD FOR PRE-CHARGING A CURRENT MIRROR A system for pre-charging a current mirror includes a controller configured to provide a first current and an additional current to a current mirror to rapidly charge a capacitance associated with the current mirror based on a reference voltage or control signals. A pow... | 02/09/2012 |
| 20120025873 | SEMICONDUCTOR DRIVE DEVICE When there is a short circuit failure between the gate and emitter of a main switching element such as an IGBT, the temperature of a turn-on gate resistor or turn-off gate resistor is detected by a thermistor, and a drive circuit is protected by turning off a turn-on ga... | 02/02/2012 |
| 20120025874 | SEMICONDUCTOR DEVICE HAVING SWITCHING ELEMENT AND FREE WHEEL DIODE AND METHOD FOR CONTROLLING THE SAME A semiconductor device includes a switching element having: a drift layer; a base region; an element-side first impurity region in the base region; an element-side gate electrode sandwiched between the first impurity region and the drift layer; a second impurity region ... | 02/02/2012 |
| 20120025876 | Current Driving Circuit and Display Device Using The Current Driving Circuit A current drive circuit which can improve a rate for signal writing and a driving rate of an element even when a signal current is small, and a display device using the current drive circuit are provided. The current drive circuit for supplying a signal current to a nod... | 02/02/2012 |
| 20120026152 | OVER-DRIVABLE OUTPUT BUFFER, SOURCE DRIVER CIRCUIT HAVING THE SAME, AND METHODS THEREFOR Provided is an output buffer for a source driver circuit which receives an external buffer input signal and generates a buffer output signal having a predetermined target voltage, the output buffer including: an over-driving controller configured to generate a pair of f... | 02/02/2012 |
| 20120025875 | APPARATUS FOR DRIVING VOLTAGE CONTROLLED SWITCHING ELEMENTS An apparatus is provided to drive a voltage controlled switching element having a conduction control terminal. In the apparatus, it is determined whether or not voltage at the conduction control terminal is at a first voltage which is lower than a second voltage and whi... | 02/02/2012 |
| 20120019287 | GATE CONTROL CIRCUIT An integrated circuit for switching a transistor is disclosed. In some embodiments, an operational amplifier is configured to drive a transistor, and slew rate control circuitry is configured to control the slew rate of the transistor source voltage during turn on. The ... | 01/26/2012 |
| 20120013369 | Synchronous Rectifier Gate Drive Timing To Compensate For Transformer Leakage Inductance An apparatus for providing synchronous rectifier gate drive timing is described. The apparatus includes circuitry to receive a first signal. The apparatus also includes circuitry to generate a second signal by modifying the first signal to delay a transition from high t... | 01/19/2012 |
| 20120013371 | GATE DRIVING CIRCUIT A gate driving circuit for driving a voltage-driven switching device is provided with a current limiting circuit for limiting a gate current ig that flows into a gate terminal through a gate resistor at turn-on to a current limit value IL which defines an upper limit va... | 01/19/2012 |
| 20120013370 | GATE DRIVING CIRCUIT FOR POWER SEMICONDUCTOR ELEMENT A gate driving circuit for driving a power semiconductor element can include a MSINK that is an n-channel metal-oxide silicon field-effect transistor (MOSFET) with a low resistance value for rapidly drawing out the charges accumulated on the gate of an insulated gate bi... | 01/19/2012 |
| 20120007636 | ANALOG SWITCH FOR SIGNAL SWINGING BETWEEN POSITIVE AND NEGATIVE VOLTAGES An analog signal is input to an input terminal. An analog signal is output via an output terminal. A first transistor is an N-channel MOSFET, and is provided between the input terminal and the output terminal. A first resistor is provided between the gate of the first t... | 01/12/2012 |
| 20120001663 | MIXED-MODE INPUT BUFFER An input buffer with a reduced sensitivity to an externally generated reference voltage includes: a first input coupled between a first load and ground, the first input being an externally generated reference voltage; a second input coupled between a second load and gro... | 01/05/2012 |
| 20110317536 | CURRENT DRIVING CIRCUIT AND LIGHT STORAGE SYSTEM HAVING THE SAME Disclosed herein are a current driving circuit and a light storage system having the same. The current driving circuit includes a plurality of channel circuits that include a first transistor into which the input current flows, a second transistor generating the output ... | 12/29/2011 |
| 20110304363 | Input/Output Driver with Controlled Transistor Voltages In an embodiment, an integrated circuit comprises core circuitry and at least one driver circuit. The core circuitry is powered by a first supply voltage during use, and comprises a control circuit configured to generate a pull up control signal, a pull down control sig... | 12/15/2011 |
| 20110304362 | CURRENT-SOURCE CIRCUIT A current-source circuit includes a plurality of input-side transistors; a plurality of output-side transistors current-mirror-coupled to the plurality of input-side transistors; an output terminal from which an output current is output; and a switching control circuit ... | 12/15/2011 |
| 20110305054 | BI-DIRECTIONAL SWITCH, ALTERNATING-CURRENT TWO-WIRE SWITCH, SWITCHING POWER SOURCE CIRCUIT, AND METHOD OF DRIVING BI-DIRECTIONAL SWITCH A semiconductor device 101 in a bi-directional switch includes: a first electrode 109A, a second electrode 109B, a first gate electrode 112A, and a second gate electrode 112B. In a transition period: when the potential of the first ele... | 12/15/2011 |
| 20110285427 | SEMICONDUCTOR DEVICE A semiconductor device includes: a semiconductor substrate having a first semiconductor layer and a second semiconductor layer formed on a first surface; a diode having a first electrode and a second electrode; a control pad; a control electrode electrically coupled wit... | 11/24/2011 |
| 20110285426 | SEMICONDUCTOR DEVICE AND DISPLAY DEVICE An object is to reduce power consumption of a semiconductor device including a DC-DC converter circuit. The semiconductor device includes a DC-DC converter circuit and a microprocessor. The DC-DC converter circuit includes a conversion circuit including an inductor and ... | 11/24/2011 |
| 20110279151 | BUFFER AND DRIVING METHOD OF THE SAME A buffer and a driving method thereof are provided. The buffer includes a first transistor for transmitting a first power source voltage to an output terminal according to an input voltage, a second transistor for transmitting an inverted voltage of the input voltage to... | 11/17/2011 |
| 20110279438 | BUFFER CIRCUIT A buffer circuit having high slew rate is provided. The buffer circuit is provided, which includes a plurality of transistors having the same conductivity type and a capacitor and whose gain is determined depending on the gain of all the plurality of transistors. A buff... | 11/17/2011 |
| 20110273207 | JUNCTION GATE DRIVER A junction device driver is provided that includes a current regulator, an inductor coupled with the current regulator, and a switching module coupled with the inductor. The current regulator is configured to generate a current, and the inductor is configured to store e... | 11/10/2011 |
