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| Number | Title | Issue Date |
| 8138819 | Driving transistor control circuit A control circuit controls a driving transistor connected in series with an electrical load between a power supply voltage and a ground. The control circuit includes a pull-up resistor connected at one end to a power supply voltage side of the driving transistor, a ... | 03/20/2012 |
| 8138818 | Gate drive apparatus A gate drive apparatus including a constant-current-pulse gate drive circuit which creates a gate signal for a switching device as a constant-current output, a constant-voltage-pulse gate drive circuit which creates the gate signal as a constant-voltage output, and ... | 03/20/2012 |
| 7868683 | Switch using an accelerating element A switch includes a switching transistor, a switching resistor, connected between a control terminal of the switching transistor and a switching control terminal, and an accelerating element. The accelerating element includes a resistance smaller than a resistance o... | 01/11/2011 |
| 7724064 | Circuit arrangement having a transistor component and a freewheeling element A circuit arrangement configured to drive a load is disclosed herein. The circuit arrangement comprises a first and a second supply potential terminal for application of a first supply potential and a second supply potential. A load terminal is provided between the ... | 05/25/2010 |
| 7710187 | Gate drive circuit A gate drive circuit includes a turn-on side circuit for turning on a gate of a power switching device, the turn-on side circuit including a first turn-on side power supply circuit and a second turn-on side power supply circuit, the first turn-on side power supply c... | 05/04/2010 |
| 7667524 | Driver circuit and method with reduced DI/DT and having delay compensation A method of driving a power transistor switch comprising: receiving a drive input signal; converting the drive input signal into a converted drive input signal; and providing the converted gate drive input signal to a control electrode of the switch to turn on the s... | 02/23/2010 |
| 7639061 | Semiconductor device and capacitance regulation circuit According to an embodiment of the invention, there is provided a semiconductor device comprising: a semiconductor element having a first main electrode, a second main electrode and a control electrode, a current flowing between the first and second main electrodes b... | 12/29/2009 |
| 7639062 | Electronic device and communication device comprising the same In an electronic device according to the present invention, a source of the first signal-wire drive transistor is connected to a first power supply, a drain of the first signal-wire drive transistor is connected to a signal wire, and a control circuit controls a gat... | 12/29/2009 |
| 7548108 | Semiconductor integrated circuit device with dual insulation system A semiconductor integrated circuit device may include a first internal circuit operating at a first voltage higher than a power supply voltage of the device, and a second internal circuit operating at a second voltage lower than the first voltage. An interface circu... | 06/16/2009 |
| 7492208 | MOSFET circuit having reduced output voltage oscillations during a switch-off operation The invention relates to a MOSFET circuit having reduced output voltage oscillations, in which a smaller CoolMOS transistor (T2) with a zener diode (Z1) connected upstream of its gate is located in parallel with a larger CoolMOS transistor (T1),... | 02/17/2009 |
| 7459954 | Control circuit for controlling an electronic circuit and method for this A control circuit for controlling an electronic circuit, which has a current path through a semiconductor switch and a line; when the semiconductor switch is switched, the inductance of the line and/or of a component in the current path producing an excess voltage b... | 12/02/2008 |
| 7449935 | Driven circuit of an emitter switching configuration to control the saturation level of a power transistor when used with highly variable collector currents A drive circuit for an emitter switching configuration of transistors having a cascode connection of a power bipolar transistor and of a power MOS transistor control the saturation level of the configuration in applications which provide highly variable collector cu... | 11/11/2008 |
| 7368972 | Power transistor control device The invention relates to a gate control device 10 of a power semiconductor component 11 of the IGBT type. A ramp generator circuit 20 delivers a reference gate voltage at its output. A stage for the current amplification of the said reference vo... | 05/06/2008 |
| 7355453 | Techniques for trimming drive current in output drivers Techniques are provided for trimming drive current in output drivers to compensate for process variations, model inaccuracies, and/or an off-target process. The actual output drive current is measured on the integrated circuit (IC) at wafer sort or during a final te... | 04/08/2008 |
| 7339360 | Switching voltage regulator with an improved range of input voltage A switching voltage regulator has a first switch, a second switch, and an inductor, which are coupled together to a switch node. A switch control system applies a drive signal for controlling the first and the second switches. A duty cycle detecting circuit detects ... | 03/04/2008 |
| 7327167 | Anticipatory programmable interface pre-driver This document discusses, among other things, a circuit for selectively engaging an output section based on a received data signal. The output is driven to a high-impedance state in anticipation of a possible change in driving agent. An output section includes active... | 02/05/2008 |
| 7321326 | Current source cell and D/A converter using the same A current source cell of one embodiment according to the present invention comprises: first and second transistors which are complementarily switched by a control signal; a constant current source which is commonly connected to one ends of current paths of the first... | 01/22/2008 |
| 7315439 | Method and circuit arrangement for limiting an overvoltage In order to limit an overvoltage at a parallel circuit of IGBT (3) and freewheeling diode (7), an undesirable current spike is used to switch on the intrinsically turned-off IGBT (3′) during the presence of the current spike precisely to an ex... | 01/01/2008 |
| 7271632 | Controlled slope voltage ramp generator A ramp generator is provided that includes an amplifier, first and second transistors, a variable resistive load having a control electrode, and a capacitor. The amplifier has an inverting input that receives a first reference voltage, and an output connected to the... | 09/18/2007 |
| 7256634 | Elastic pipeline latch with a safe mode An elastic pipelined latch. The latch includes a control input for configuring the latch into a repeater state or a latch state, a drive component responsive to the control input and for driving an input signal through as an output signal, and a pulse width/inhibit ... | 08/14/2007 |
| 7248077 | Current driver circuits for reducing substrate noise and methods of operating the same A current driver circuit includes a pull-down switch unit that is coupled between a node and a first reference potential and is operative to switch between an on-state and an off-state responsive to an input signal. A pull-up switch unit is coupled between the node ... | 07/24/2007 |
| 7245174 | Analogue switch A switching circuit (20) comprising first and second switch terminals (2,3) and a switch (21). The switch (21) comprises a first bipolar transistor (22), having a collector connected to the first switch terminal (2) and an e... | 07/17/2007 |
| 7245165 | Turn-on bus transmitter with controlled slew rate An amplifier/driver (40) for a bus has an output transistor (M1) that is controlled by a controlled current source (I1). In a quiescent state, the output transistor is configured as part of a current mirror (M1, M11) that maintains... | 07/17/2007 |
| 7242238 | Drive circuit for voltage driven type semiconductor element A drive circuit for a voltage driven type semiconductor element, includes: an electrical charge discharge unit that discharges electrical charge from a gate terminal of a voltage driven type semiconductor element when the voltage driven type semiconductor element is... | 07/10/2007 |
| 7230457 | Programmable dual drive strength output buffer with a shared boot circuit An integrated circuit device is discussed that includes a data output driver having two modes of operation for driving a data bus. The output driver includes a circuit to produce a full drive output high signal, a partial drive output high signal, a full drive outpu... | 06/12/2007 |
| 7224179 | Apparatus for adjusting slew rate in semiconductor memory device and method therefor The present invention relates to an apparatus for adjusting a slew rate of a data signal outputted by a signal from an external circuit in a semiconductor memory device and a method therefor. The apparatus includes: a slew rate control signal generation block for ou... | 05/29/2007 |
| 7224204 | Method and circuit for driving a gate of a MOS transistor negative A method and circuit for driving the gate of a MOS transistor having a negative or low threshold voltage negative, in which the driving circuit is formed on a single chip. A negative voltage is generated from a positive voltage to drive the gate of the MOS transisto... | 05/29/2007 |
| 7221922 | Switch circuit and composite high frequency elements A switch circuit for switching the connection of the receiving or transmitting circuits of two communication systems to an antenna circuit, which comprises first and second switch means having two switching elements, the first switch means comprising a first inducta... | 05/22/2007 |
| 7215147 | System and method for providing power managed CML transmitters for use with main and auxiliary power sources A system and method is provided for providing power managed common mode logic (CML) transmitters for use with main and auxiliary power sources. Power switch circuitry comprising two PMOS transistors switches the CML transmitter output circuit between a main power so... | 05/08/2007 |
| 7173872 | Method and apparatus for controlling a high voltage generator in a wafer burn-in test The invention relates to a method and apparatus for controlling a high voltage generator during wafer burn-in. The method includes generating an enable signal for enabling a high voltage generator responsive to a mode signal, e.g., a wafer burn-in test mode. The met... | 02/06/2007 |
| 7173474 | Load-generated drive, no quiescent current, techniques and circuits for high speed switching of transistors Techniques and circuits for high speed switching of transistors are provided. These techniques and circuits switch an output device while varying the drive current to the output device in proportion to the output current through the output device. In addition, these... | 02/06/2007 |
| 7167030 | Drive circuit and method of applying high voltage test thereon A drive circuit that supplies electric power to an electric load from a DC electric source includes a pair of series-connected first and second MOSFETS of the same conduction type, a pair of clamp circuits respectively connected between the drains and gates of the f... | 01/23/2007 |
| 7167043 | Decoupling circuit for co-packaged semiconductor devices A model for noise coupling in copackaged semiconductor devices due to coupling through parasitic impedances, and a method and decoupling circuit to minimize the effects of such noise. In one example, which is not intended to be limiting either as to the application ... | 01/23/2007 |
| 7164763 | Power offloading for a subscriber line interface circuit A power offload network has a node for receiving at least one supply V1. The power offload network includes at least one switch and a power offload element providing a supply drop of VR. The switch is configurable for selecting a linefeed supply level from th... | 01/16/2007 |
| 7145383 | Voltage supply with low power and leakage current As the chip manufacturing process progresses towards making smaller and finer chip circuitry, leakage currents of different types including the subthreshold leakage current, gate tunneling leakage current and GIDL (Gate-Induced Drain Leakage) current increase. These... | 12/05/2006 |
| 7141470 | Low voltage CMOS structure with dynamic threshold voltage A method for dynamically varying a threshold voltage of a complimentary metal oxide semiconductor (CMOS) includes providing a substrate pickup formed a semiconductor material type which is complimentary to the semiconductor material type of a well thereof, so as to ... | 11/28/2006 |
| 7142046 | Current sharing using gate modulated diodes A system includes an output terminal at which power is provided to a load, wherein the load defines a load current. A respective power supply can be coupled to each of a plurality of input terminals for providing current to the load. Each of a plurality of gate modu... | 11/28/2006 |
| 7126408 | Method and apparatus for receiving high-speed signals with low latency An apparatus and method for receiving high-speed signals having a wide common-mode range with low input-to-output latency. In one embodiment, the receiver includes an integrator to accumulate charge in accordance with an input signal during an integration time inter... | 10/24/2006 |
| 7116150 | Clock gater circuit and associated method One embodiment is a clock gater circuit comprising an inverter block for driving an output clock signal responsive at least in part to an input clock signal that is selectively driven via a clock generator circuit to an input node of the inverter block responsive to... | 10/03/2006 |
| 7109466 | Peak and bottom detectors in burst mode optical receiver A peak detector for detecting a peak value of a burst signal in a burst mode optical receiver is disclosed, which comprises: an amplifying terminal configured to reduce an offset of a peak value in a received burst signal using feedback in the peak detector; a trans... | 09/19/2006 |
