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| Number | Title | Issue Date |
| 7583128 | Combination of linear and adaptive non-linear control for fast transient response Methods, systems and apparatus for a controller for fast transient response, the controller including a linear compensation circuit for controlling output voltage during steady state operation and a non-linear control circuit to generate a non-linear signal during t... | 09/01/2009 |
| 7518430 | Mechanism for providing over-voltage protection during power up of DC-DC converter An over-voltage protection circuit prevents an anomaly, such as a short circuit in the upper-switched electronic device of a DC-DC power supply, from propagating to downstream circuitry. The over-voltage protection circuit, which includes an overvoltage sense resist... | 04/14/2009 |
| 7405528 | Global closed loop control system with DV/DT control and EMI/switching loss reduction A motor drive system control provides global closed loop feedback to cooperatively operate system components to adaptively reduce noise and provide noise cancellation feedback. An active EMI filter reduces differential and common mode noise on an input and provides ... | 07/29/2008 |
| 7403033 | MOS linear region impedance curvature correction A system and method to correct or cancel MOS linear region impedance curvature employing an analog solution to trim out the MOS linear region impedance curvature while accommodating PVT spreads in values of internal or external precision resistors. The linear region... | 07/22/2008 |
| 7313176 | Programmable on chip regulators with bypass A device and a method for processing high data rate serial data includes circuitry for recovering or generating a clock based with varying amounts of phase noise or jitter based upon a particular application. To achieve the foregoing, regulated and unregulated power... | 12/25/2007 |
| 7295054 | Buffer capable of controlling slew rate in drive IC The present invention relates generally to a buffer of a drive Integrated Circuit (IC) and, more particularly, to a buffer of a drive IC for driving a spatial light modulator that can meet a desired dynamic slew rate characteristic by controlling current that affect... | 11/13/2007 |
| 7282948 | MOS linear region impedance curvature correction A system and method to correct or cancel MOS linear region impedance curvature employing an analog solution to trim out the MOS linear region impedance curvature while accommodating PVT spreads in values of internal or external precision resistors. The linear region... | 10/16/2007 |
| 7274241 | Global closed loop control system with DV/DT control and EMI/switching loss reduction A gate driver for a power switch, comprising a gate drive circuit coupled to the gate of the power switch for at least one of turning on and turning off the power switch; a gate voltage control circuit in the gate drive circuit for controlling a voltage applied to t... | 09/25/2007 |
| 7274223 | Semiconductor device As devices are often different in the characteristics from one another, semiconductor chips based on the devices have discrepancies in the performance. A semiconductor device having a semiconductor switching element and a drive controlling means (1) for gener... | 09/25/2007 |
| 7176723 | Translator circuit and method therefor In one embodiment, a voltage translator is configured to sense a change in a value of a supply voltage to the translator and responsively inhibit the translator from changing a state of the output of the translator. ... | 02/13/2007 |
| 7161264 | Semiconductor circuit having drivers of different withstand voltage within the same chip A semiconductor device comprises an embedded insulation layer 101 formed on a semiconductor substrate 100, plural power semiconductor elements 2, 3 formed on a semiconductor substrate 100 on the embedded insulation layer, a trench 4 | 01/09/2007 |
| 7143381 | Resonance reduction arrangements Resonance reduction arrangements to reduce the impact of power supply resonance on circuits, comprising a resonance sensor and a charge dumper, wherein upon the detection of the predetermined resonance by the resonance sensor at a circuit location, the charge dumper... | 11/28/2006 |
| 7141832 | 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... | 11/28/2006 |
| 7106125 | Method and apparatus to optimize receiving signal reflection An input/output circuit in a receiving mode typically has disabled output buffers as well as other electrical components that provide significant receiver input capacities at high operating frequencies. A detection circuit detects the charging/discharging of the par... | 09/12/2006 |
| 7053692 | Powergate control using boosted and negative voltages A powergating circuit includes an MOS circuit such as a memory circuit having a first power terminal and a second power terminal, a P-channel transistor having a drain coupled to the first power terminal of the MOS circuit, and an N-channel transistor having a drain... | 05/30/2006 |
| 7002400 | Input circuits including boosted voltage and related methods An input circuit for an integrated circuit device may include a boosting circuit, a protection circuit, and a buffer circuit. The boosting circuit is configured to receive a supply voltage of the integrated circuit device and to generate a boosted voltage higher tha... | 02/21/2006 |
| 6978122 | High-frequency switching device incorporating an inverter circuit A high frequency switching device includes a control terminal, a power source terminal, a GND terminal, an RF terminal, a switch section, a control section, and protecting diodes. The switch section switches input/output routes of an RF signal input from the RF term... | 12/20/2005 |
| 6972611 | Method and device for a state-dependent control of the transient behavior of semiconductor power switches The invention relates to a comprehensive control method for switch on and off processes of power semiconductor switches (S1–S4). In a switching phase A the collector current transient dic/dt is controlled in order to safeguard a co... | 12/06/2005 |
| 6967519 | Drive circuit for a power semiconductor device A drive circuit for a power semiconductor device includes: a sampling signal generating circuit for detecting that an input control signal instructs OFF and outputting a sampling signal at the time instant of start of a Miller period of time of an IGBT; a gate volta... | 11/22/2005 |
| 6919587 | Low-capacitance bidirectional protection device A low-capacitance bidirectional device of protection against overvoltages, intended to be used at high frequencies, including first and second discrete one-way Shockley diodes, the cathode and the anode of the first diode being respectively connected to the anode an... | 07/19/2005 |
| 6906567 | Method and structure for dynamic slew-rate control using capacitive elements A method and structure for providing dynamic control of a slew rate of an electronic circuit. The structure has a signal line that is coupled to a number of capacitive elements that may be selectively switched in or out of the electronic circuit in order to provide ... | 06/14/2005 |
| 6756623 | Semiconductor device and method of driving transistors When a driving unit (100) charges gate input capacitance (6) of an IGBT (7), the gate input capacitance (6) accumulates electric charges which are accumulated therein when the driving unit (100) discharges the gate input capacitanc... | 06/29/2004 |
| 6643110 | Stress-follower circuit configuration Briefly, in accordance with one embodiment of the invention, an integrated circuit includes: a stress-follower circuit configuration. The stress-follower circuit of the configuration is coupled to a pad of the integrated circuit. The stress-follower circu... | 11/04/2003 |
| 6529061 | Semiconductor device In a level-shift circuit of the high-side section of an HVIC, a switching-on level-shift resistance member includes two resistors, and a switching-off level-shift resistance member includes two resistors. A logic filter set fetches potentials of the both ... | 03/04/2003 |
| 6525597 | Circuit configuration with internal supply voltage In integrated circuits with internally generated supply voltages, during the run-up of the internal voltage generators, unintentionally high currents can arise through switching stages connected to the internal supply voltage. A control circuit provides f... | 02/25/2003 |
| 6437600 | Adjustable output driver circuit An adjustable integrated circuit output driver circuit is described which has a push-pull output circuit comprised of a pullup and pulldown transistor. A series of parallel transistors are connected to both the pullup and pulldown transistors. The gates o... | 08/20/2002 |
| 6388486 | Load sensing, slew rate shaping, output signal pad cell driver circuit and method The slew rate of a digital logic output signal delivered from an output pad of an integrated circuit is controlled relative to a load connected to the output pad. At least two pluralities of trigger signals at sequentially spaced time intervals are genera... | 05/14/2002 |
| 6351358 | Stress-follower circuit configuration Briefly, in accordance with one embodiment of the invention, an integrated circuit includes: a stress-follower circuit configuration. The stress-follower circuit of the configuration is coupled to a pad of the integrated circuit. The stress-follower circu... | 02/26/2002 |
| 6351158 | Floating gate circuit for backwards driven MOS output driver A bus driver circuit has floating gate circuits with three transistors. Two of the transistors for an inverter for operating the output power transistor. The third transistor is connected to receive control signals from well pull circuits. The control sig... | 02/26/2002 |
| 6333664 | Low operating power, high voltage ringing switch circuit An integrated ringing access switch circuit for telecommunications switching applications that provides improved dV/dt sensitivity at low operating power by using a pilot controlled rectifier, such as an SCR, that conducts at low ringing signal currents a... | 12/25/2001 |
| 6297677 | Method for a dynamic termination logic driver with improved slew rate control A dynamic termination logic driver, one that is capable of launching signals at a driving end of a transmission line and is capable of terminating signals at a receiver end of the transmission line, controls output impedance and includes within the driver... | 10/02/2001 |
| 6271709 | Gate drive circuit of voltage drive switching element A gate drive circuit of a voltage drive switching element, which is characterized by control of di/dt and dv/dt when an IGBT is switched by controlling increases in the switching time and loss of the IGBT, includes a drive means for amplifying a signal fo... | 08/07/2001 |
| 6127746 | Method of controlling the switching DI/DT and DV/DT of a MOS-gated power transistor The switching di/dt and switching dv/dt of a MOS gate controlled ("MOS-gated") power device are controlled by respectively controlling the voltage and current waveforms. Open loop control of the turn-on of the MOS-gated device is provided by coupling a co... | 10/03/2000 |
| 6005821 | Circuit and method for instruction controllable slew rate of bit line driver A bit line driver circuit includes a first driver and a second driver. The first driver drives a bit line when the bit line driver is in a first state. The second driver drives the bit line when the bit line driver is in a second state. The first driver i... | 12/21/1999 |
| 5917758 | Adjustable output driver circuit An adjustable integrated circuit output driver circuit is described which has a push-pull output circuit comprised of a pullup and pulldown transistor. A series of parallel transistors are connected to both the pullup and pulldown transistors. The gates o... | 06/29/1999 |
| 5917359 | Semiconductor apparatus having protective circuitry The drain electrodes of HNMOS transistors (2) and (3) are connected to the first ends of resistors (4) and (5), and to the inputs of inverter circuits (6) and (7) respectively. The outputs of the inverter circuits (6) and (7) are connected to the inputs o... | 06/29/1999 |
| 5903028 | Static and monolithic current limiter and circuit-breaker The present invention relates to a static and monolithic current limiter and circuit-breaker component including, between two terminals, a one-way conduction current limiter, a sensor of the voltage between the terminals, and a mechanism for inhibiting th... | 05/11/1999 |
| 5877646 | Method for the turn-on regulation of an IGBT and apparatus for carrying out the method A method for the turn-on regulation of an IGBT and an apparatus for carrying out the method are specified. In contrast to the prior art, the gate current is used as controlled variable rather than the gate voltage. Said gate current acts on the gate elect... | 03/02/1999 |
| 5859511 | Motor with input-controlled high side driver A circuit for operating a polyphase DC motor, such as the type having a plurality of "Y" connected stator coils, has circuitry for charging the coils at a rate which will reduce EMI and other noise, while maintaining an acceptable charge rate. The gate of... | 01/12/1999 |
| 5838186 | Signal output circuit with reduced noise in output signal An additional MOS transistor receiving at its control electrode a signal complementary to that applied to control electrodes of MOS transistors is provided between a power supply node and a control electrode line formed by resistors having a significant r... | 11/17/1998 |
