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Match Document Document Title
7403362 Latch-up restistant ESD protection circuit and method thereof  
The present invention is to provide a latch-up resistant electrostatic discharge (ESD) protection circuit and method thereof, which comprises a clamping circuit being able to discharge when...
7403361 Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit  
In a level conversion circuit mounted in an integrated circuit device using a plurality of high- and low-voltage power supplies, the input to the differential inputs are provided. In a level-down...
7400480 Electrostatic discharge protection circuit  
Integrated circuits are provided that have sensitive circuitry such as programmable polysilicon fuses. Electrostatic discharge (ESD) protection circuitry is provided that prevents damage or...
7397645 Power supply transmission cord  
A power supply transmission cord to filter out high frequency noises, ripples and noises between a power supply and the connecting peripheral devices such as a VGA card, HDD, RAM, CDROM, DVD and...
7397643 Protection circuit  
A protection circuit is coupled between a secondary winding of a transformer and a load. When voltage at the secondary winding of the transformer becomes abnormal, the protection circuit...
7394638 System and method for a whole-chip electrostatic discharge protection that is independent of relative supply rail voltages and supply sequencing  
The embodiments of the present invention introduced and taught herein are directed to a whole-chip ESD protection arrangement that is independent of relative supply rail voltage and supply...
7394631 Electrostatic protection circuit  
An electrostatic protection circuit including: a first power supply terminal 110 ; a second power supply terminal 112 ; an input-output terminal 111 for an external connection; a P-type MOSFET...
7394630 Electrostatic discharge protection device for mixed voltage interface  
An electrostatic discharge protection circuit that includes at least two transistors connected in a stacked configuration, a first diffusion region of a first dopant type shared by two adjacent...
7388248 Dielectric relaxation memory  
A capacitor structure having a dielectric layer disposed between two conductive electrodes, wherein the dielectric layer contains at least one charge trap site corresponding to a specific energy...
7385797 Power problem diagnosis  
Apparatus for monitoring transient events in a power supply line the apparatus comprising a transient hold circuit having an input and an output wherein said input is arranged to be connected to...
7385793 Cascode active shunt gate oxide project during electrostatic discharge event  
A method and apparatus to provide electrostatic discharge (ESD) protection to electronic circuits using a gate clamp circuit.
7382593 Method of linearizing ESD capacitance  
An ESD protection circuit for an input/output pad of an IC is disclosed with discharge paths to both a power rail and ground. The ESD circuit is arranged with NMOS and PMOS transistors arranged...
7379283 ESD protection circuit with a low snapback voltage that is protected from fast non-ESD voltage spikes and ripples  
A three-terminal snapback device is utilized with a control circuit to provide a low snapback voltage that is protected from non-ESD voltage spikes and ripples. In response to a fast edge, the...
7372683 Over voltage detection circuit, and power source circuit, power supply system and electronic apparatus using the over voltage detection circuit  
An over voltage detection circuit, which is used in a power source, a power supply system, and an electronic apparatus, includes two voltage comparison circuits. A first comparison circuit,...
7372679 Method and apparatus for RC triggered electrostatic discharge power clamp with hysteresis  
An Electrostatic Discharge (ESD) protection device extends the protection range of an ESD clamp circuit through hysteresis of the associated ESD clamp control circuit. Once the ESD clamp circuit is...
7369388 Spark gap apparatus and method for electrostatic discharge protection  
An apparatus for providing electrostatic discharge protection includes a first conductive trace and a second conductive trace. The first conductive trace defines a first conductive periphery and is...
7369384 Regulator and electronic apparatus therewith  
To reduce the electric power wasted in an overvoltage protection circuit, a regulator IC 100 incorporates an overvoltage protection circuit 105 that stops the output operation of the regulator...
7369379 Methods, circuits, and applications using a resistor and a Schottky diode  
A combination of a current limiting resistor and a clamping Schottky diode prevent substantial forward biasing of a pn junction associated with a pad in a snapback device during normal operation,...
7362595 DC-DC converter  
A DC-DC converter includes a regeneration preventing circuit to bring a synchronous rectifying switching element to an OFF-state when an output of an error amplifier is lower than a lower-limit...
7362555 ESD protection circuit for a mixed-voltage semiconductor device  
An ESD protection circuit is implemented for a semiconductor device having a first circuit system operating with a first power supply voltage and a first complementary power supply voltage, and a...
7362554 Electrostatic discharge (ESD) clamp using output driver  
Electrostatic discharge (ESD) clamp using output driver. An electrostatic discharge (ESD) protection device for an output driver having a p-channel transistor and n-transistor pair connected...
7359169 Circuit for protecting integrated circuits against electrostatic discharges  
A circuit is described that protects an integrated circuit from electrostatic discharges or electrical over-stress. The circuit arrangement has first and second protective elements connected in...
7355832 Methods and arrangements for reducing partial discharges on printed circuit boards  
Methods and arrangements for reducing partial discharges on a printed circuit board are provided. A method of reducing partial discharge in a printed circuit board includes providing a conducting...
7342281 Electrostatic discharge protection circuit using triple welled silicon controlled rectifier  
Provided is an electrostatic discharge (ESD) protection circuit using a silicon controlled rectifier (SCR), which is applied to a semiconductor integrated circuit (IC). A semiconductor substrate...
7339776 Silicon carbide diode voltage limiter  
A voltage excursion control system for limiting transient voltage peaks in electrical circuits otherwise occurring across selected components therein in response to changing conditions in such...
7339772 Hot-swap protection circuit  
Embodiments of the present invention provide methods and circuitry for protecting a circuit during hot-swap events. Hot swap protection circuitry includes as overcurrent detection circuit which...
7339770 Electrostatic discharge protection circuit having a ring oscillator timer circuit  
An electrostatic discharge protection circuit is provided having a first electrically conductive element (such as a current sinking transistor) to couple between a power source and a first node....
7336459 Electrostatic discharge protection device and circuit thereof  
An electrostatic discharge (ESD) protection circuit including a detection circuit for detecting the ESD current and a clamp circuit for bypassing an ESD current between a first pad and a second pad...
7333316 AC power line protection using thyristors  
A transient suppressor circuit for use in suppressing transient voltages superimposed on AC power conductors. The transient suppressor circuit includes a threshold thyristor connected in series...
7333310 ESD bonding pad  
A bonding pad arrangement for an integrated circuit includes a bonding pad fabricated on a bonding area to enable bonding. A first ESD resistor is fabricated adjacent the bonding area, and at least...
7324317 Control of breakdown voltage for microelectronic packaging  
Reduce breakdown voltage and control breakdown path for electrostatic discharge to terminals of microelectronic packages, such as no-connect Land Grid Array (LGA) pads. In one embodiment, solder...
7321483 Power converter  
A power converter comprising: a rectifier arrangement (D 1 -D 4 ) having inputs coupled to AC power supply terminals; a pair of series-connected capacitors (C 1 , C 2 ) coupled across output...
7315790 System, and method for quantifying voltage anomalies  
A system and method of quantifying voltage anomalies may be used to quantify low frequency voltage transients such as the type caused by power factor correction (PFC) or similar events. The system...
7312970 Low cost surge protection  
A motor drive for an electric machine includes a live line, a second line, and a ground line. A surge protector includes a first varistor and a gas discharge tube (GDT) that is non-conductive below...
7312517 System-in-package type semiconductor device  
A system-in-package type semiconductor device includes a plurality of semiconductor chips, a first semiconductor chip 1110 to which electric power is supplied from first power supply wiring 1111...
7304872 Power supply  
A modular, low weight impedance dropping power supply with battery backup is disclosed that can be connected to a high voltage AC source and provide electrical power at a lower voltage. The design...
7301789 Adjustable speed drive protection  
A protection scheme to protect pulse width modulated drives is described. The scheme is implantable in both hardware and software and combinations thereof. The semiconductor devices of the drive...
7301741 Integrated circuit with multiple independent gate field effect transistor (MIGFET) rail clamp circuit  
A rail clamp circuit ( 100 ) includes first and second power supply voltage rails, a multiple independent gate field effect transistor (MIGFET) ( 128 ), and an ESD event detector circuit ( 138 )....
7292421 Local ESD power rail clamp which implements switchable I/O decoupling capacitance function  
Methods and circuits are disclosed for providing distributed ESD protection switchable between a capacitive decoupling state and an ESD protection state. The invention provides electronic circuitry...
7289307 High voltage ESD circuit by using low-voltage device with substrate-trigger and gate-driven technique  
An ESD protection circuit is disclosed. The ESD protection circuit includes a stacked MOS circuit and a trigger current generating circuit. The trigger current generating circuit will generate...
7286331 Electrostatic protection device for semiconductor device  
Disclosed is an electrostatic protection device for a semiconductor device, which protects the semiconductor device from damage due to electrostatic discharge (ESD). The electrostatic protection...
7283342 High-voltage tolerant power rail electrostatic discharge clamp circuit  
A high-voltage tolerant power-rail ESD clamp circuit is proposed, in which circuit devices can safely operate under the high power supply voltage that is three times larger than their process...
7283338 Power supply device for low-voltage electronic residual current circuit breakers  
A power supply device for low-voltage electronic residual current circuit breakers includes an electronic rectifier stage suitable to receive in input a mains voltage and to generate a first...
7280336 Transient voltage detecting circuit  
The invention provides a transient voltage detecting circuit for detecting a transient voltage occurring at a power supply or a ground of an electronic system. The circuit according to the...
7280328 Semiconductor integrated circuit device  
An inventive semiconductor integrated circuit device includes: an external connection terminal 1 ; an electrostatic discharge protection circuit 2 ; an output circuit 3 ; an output prebuffer...
7280327 Mechanism for preventing ESD damage and LCD panel utilizing the same  
A mechanism for preventing ESD damage and LCD panel utilizing the same. The mechanism for preventing ESD damage is configured to make ESD protection devices. The provided ESD protection devices...
7279726 ESD protection device  
An ESD protection device for protecting a circuit against electrostatic discharges. The ESD protection device having a series circuit of N diodes, each diode comprising an anode and a cathode. The...
7274549 Energy pathway arrangements for energy conditioning  
Compact and integral arrangements for an energy-conditioning arrangement having various predetermined energy pathways utilized in part for the purpose of conditioning energies of either one or...
7265961 Lightning protection device and method  
An air terminal for lightning protection includes a central rod and a curved conductive surface around the central rod. The central rod includes a tip mount for receiving a tip from a tip set that...
7259949 Method and system for ESD protection of balanced circuit board lines  
An array of electrostatic discharge (ESD) devices conforms to the pitch defined by balanced signal lines on a printed wiring board (PWB) so that the array does not unduly affect the design...
Matches 1 - 50 out of 1624 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >