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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...
7254003 Differential nulling avalanche (DNA) clamp circuit and method of use  
A circuit for protecting an electronic device including a differential nulling avalanche clamp circuit ( 200, 300 ) and method of using the circuit in an electronic system ( 100 ) to limit radio...
7251113 Active transient voltage compensator for improving converter fast transient response  
A direct current to direct current (DC-to-DC) converter having an active transient voltage compensator (ATVC) coupled with the DC-to-DC converter output terminal to improve a fast transient...
7248529 Semiconductor device having fuse and its manufacture method  
A semiconductor device has: a fuse having one end applied with a first voltage, and a MOS transistor having source, gate and drain and a connection point between the other end of the fuse and one...
7245470 Unsafe voltage shutoff control  
A circuit and device protects connected equipment from a broad range of unsafe conditions of over-voltage and under-voltage by disconnecting the line voltage before surge protection components,...
7242566 Surge protection device  
A surge suppression circuit with a thermal cutoff includes a first surge suppressor in series with a first thermal cutoff device between a phase conductor and a neutral conductor. A second surge...
7239497 Environmentally hardened Ethernet switch  
A device for hardening an Ethernet switch is disclosed. The device provides cooling for the switch, and, suppresses electrical transients and electromagnetic interference, which could affect the...
7233475 Integrated circuit with an electrostatic discharge protection circuit  
MOS Transistors and bipolar junction transistors are connected to input pads and output pads for implementing electrostatic discharge protection. By conducting a power clamp circuit and applying a...
7233472 Highly efficient line transient protection circuit for high power loads  
A highly efficient line transient protection circuit is provided for high power loads that are designed to operate through a high line transient. The transient protection circuit for high power...
7233467 Method and apparatus for protecting a gate oxide using source/bulk pumping  
A method and apparatus for providing ESD event protection for a circuit using a source or bulk pump to increase the bulk and/or source potential level during an ESD event. The apparatus comprises a...
7230811 Modular power line network adapter  
A modular feed-though adapter that allows an electrical connection to a power line network adapter without “using up” an electrical outlet is described. In one embodiment, the modular...
7230806 Multi-stack power supply clamp circuitry for electrostatic discharge protection  
A multi-stack power supply clamp circuit for providing electrostatic discharge (ESD) protection to enhance performance of advanced submicron processes is provided. The clamp circuit includes a bias...
7227730 Device for ESD protection of an integrated circuit  
A device for ESD (electrostatic discharge) protection of a circuit of a semiconductor device comprises a field effect transistor based varistor with gate, source and drain regions, wherein one of...
7224560 Destructive electrical transient protection  
A protection for ICs against ESD transients includes a circuit with a master circuit driving a slave circuit. The master circuit responds to ESD voltage V(t). The slave circuit comprises parallel...
7221551 Cascaded gate-driven ESD clamp  
A method is provided for semiconductor ESD protection in a mixed voltage device using a cascaded gate driven NMOS clamp circuit. Use of a bias circuit allows for an external I/O signal to have a...
7218492 Devices and systems for electrostatic discharge suppression  
A device ( 10 ) for suppressing electrostatic discharge comprises first and second multilayer structures ( 14, 16 ) surrounding an electrostatic discharge reactance layer ( 12 ), the resistance of...
7218491 Electrostatic discharge protection unit including equalization  
An electrostatic discharge protection unit includes a channel, a passive filter, and an electrostatic discharge protection circuit. The passive filter and the electrostatic discharge protection...
7212387 Electrostatic discharge protection device including precharge reduction  
ESD protection circuitry for a signal power supply pad ( 801 ) comprising a discharge circuit ( 802 ) operable to discharge the ESD pulse to ground, and a precharge reduction circuit ( 810 ) in...
7209332 Transient detection circuit  
A transient detection circuit which may be used in an electrostatic discharge (ESD) clamp circuit. The transient detection circuit includes a filter circuit and an inverter circuit. The voltage...
7203050 NPN Darlington ESD protection circuit  
An electrostatic discharge protection (ESD) circuit includes an NPN Darlington circuit and an n-type metal oxide semiconductor (NMOS) transistor. The drain of NMOS transistor is connected to the...
7203045 High voltage ESD power clamp  
A structure and apparatus is provided for an electrostatic discharge power clamp, for use with high voltage power supplies. The power clamp includes a network of transistor devices, for example,...
7203043 Method and structure for external control of ESD protection in electronic circuits  
A method and structure for external control of an electrostatic discharge (ESD) protection of electronic devices. According to the structure, one or more shunt circuits are coupled to the...
7196892 Method and apparatus for isolating RFI, EMI, and noise transients in power supply circuits  
A method and apparatus for isolating and/or eliminating RFI, EMI, and noise transients in power supply circuits. The circuit isolates DC to DC and AC to DC power coupling by use of dual, parallel...
7196890 Electrostatic discharge protection power rail clamp with feedback-enhanced triggering and conditioning circuitry  
Electrostatic discharge protection circuitry includes a timing circuit operably coupled between the high supply side and low supply side of an associated circuit. The timing circuit has an RC node...
7193830 Surge suppressor  
The invention relates to surge suppressors. One embodiment provides a surge suppressing device including: a power circuit having an MOV and a thermal fuse in proximity to the MOV; an isolation...
7190563 Electrostatic discharge protection in a semiconductor device  
An electrostatic discharge (ESD) protection circuit for protecting a circuit from an ESD event, the ESD protection circuit comprises a metal-oxide semiconductor (MOS) device including a gate...
7187531 Transient suppressor and power converter employing the same  
The present invention is directed to a transient suppressor, a method of suppressing a peak voltage associated with a rectifier, and a power converter employing the same. In one embodiment, the...
7187530 Electrostatic discharge protection circuit  
An electrostatic discharge protective circuit may comprise a low-pass filter and a high-pass filter to receive and filter signals of a supply line. Control logic may receive output signals of the...
7187161 Transient protection of sensors  
The present invention includes a system with a sensor to detect a change in one or more physical characteristics and provide a corresponding electrical sensor signal, a controller including a power...