Match Document Document Title
7054124 Method for switching over a reference voltage potential for overvoltage protection devices  
Method for supplying a circuit unit ( 201 ) which is to be supplied with different supply voltages, in which the circuit unit ( 201 ) to be supplied is protected against overvoltages, having the...
7054122 VDDCORE to VSS ESD clamp made of core device  
The present invention comprises an ESD clamp circuit used in an integrated circuit with plural power supply. The ESD clamp circuit, connected between core voltage source and low voltage source, is...
7053591 Power conversion device with efficient output current sensing  
A power conversion device contains an electronic circuit for sensing an output current characteristic of an output drive device. The characteristic of the current through the output drive device is...
7050282 Power supply clamp circuit  
A power supply clamp circuit for preventing damage to an integrated circuit due to electrostatic discharge. The power supply clamp circuit includes a voltage generator electrically connected to a...
7046493 Input/output buffer protection circuit  
An input/output buffer protection circuit, which comprises an I/O pad, an I/O buffer, an n-well control circuit, a gate control circuit, and a protection component. The I/O buffer includes a PMOS...
7035072 Electrostatic discharge apparatus for network devices  
The present invention provides an ESD apparatus that includes an electrical overstress suppression device in series with a capacitor. The ESD apparatus is ideally suited for use with network...
7023680 Transient voltage protection and ground status monitoring apparatus and method  
In accordance with the present invention, a method is provided whereby the transient voltages presented at the input to a watt-hour meter are suppressed to prevent damage to the watt-hour meter and...
7023672 Digitally controlled voltage regulator  
Disclosed is a digitally controlled multi-phase voltage regulator system providing regulated power to electronic components that have variable power requirements. Power is supplied by one or more...
7023218 Method and apparatus for testing filter/protector units for fiber optic cables  
A method and apparatus for testing filter/protector units positioned along a fiber optic cable are disclosed. The fiber optic cable includes a metallic sheath surrounding the cable and several...
7019954 Universal surge protector for notebook computer  
A surge protector for portable personal computers, or notebooks, of the shunting type, employs two differently rated metal oxide varistors in a manner enabling operation with several differently...
7009831 PIN or NIP low capacitance transient voltage suppressors and steering diodes  
Unidirectional and bi-directional low capacitance transient voltage suppressors (“TVS”) and steering diodes are disclosed. In one embodiment, the TVS comprise TVS p-n junction diode element(s),...
7003602 Data bus  
In apparatuses (1, 2, 3) controlled or operated via an I 2 C bus, it may be necessary to take measures to suppress interference signals at the data signal input/output of the respective apparatus...
6989979 Active ESD shunt with transistor feedback to reduce latch-up susceptibility  
A VDD-to-VSS clamp shunts current from a power node to a ground node within an integrated circuit chip when an electro-static-discharges (ESD) event occurs. A resistor and capacitor in series...
6985340 Semiconductor device with protection circuit protecting internal circuit from static electricity  
A protection circuit described herein protects an LCD module from static electricity generated at a first positive power supply terminal in a process of manufacturing the LCD module. The protection...
6982860 Technique for fault isolation and transient load isolation for multiple electrical loads connected to a common electrical power source  
A central office transceiver-installed current limiter and regulator provides fault isolation and transient load isolation in a wireline communication network, having multiple transceivers...
6982859 Integrated overcurrent and overvoltage apparatus for use in the protection of telecommunication circuits  
An integrated overvoltage and overcurrent circuit protection device for use in telecommunication circuits. The integrated circuit protection device combines a overcurrent device such as a fuse and...
6980647 Primary telephone line protector with failsafe  
Disclosed is a module ( 10 ) having pins ( 16-24 ) connected to respective conductor tower strips ( 46, 48, 50, 52 ). Pairs ( 46, 50 and 48, 52 ) of the conductor tower strips are spring biased...
6980408 ESD protection circuit having a control circuit  
An ESD protection circuit comprising a first pad, a second pad, and a clamp circuit. The first pad is used as an external connection terminal to be connected to a semiconductor integrated circuit....
6979908 Input/output architecture for integrated circuits with efficient positioning of integrated circuit elements  
A described embodiment of the present invention includes an integrated circuit having a plurality of I/O modules. The I/O modules include a bond pad formed on a substrate. The I/O modules also...
6977802 Etched circuit for lighting protection  
The disclosure relates to the lightning protection of the transmitters in a transmission system. An etched circuit with lightning protection comprises at least one main line connected to a...
6977524 High current 5V tolerant buffer using a 2.5 volt power supply  
Using at best a 2.5V nominal power supply, 3.3V technology can be used to implement a 5V tolerant open drain output buffer. High voltage and/or current tolerance is achieved with only the 2.5V...
6972939 Method and apparatus for a floating well RC triggered electrostatic discharge power clamp  
An Electrostatic Discharge (ESD) protection circuit activates an ESD conduction circuit in response to an ESD event. A deactivation circuit generates an exponentially increasing deactivation signal...
6972938 Semiconductor integrated circuit device with enhanced resistance to electrostatic breakdown  
A semiconductor integrated circuit device having a plurality of internal circuits connected to different power lines, and an inter-circuit signal wire or a branched wire along these internal...
6970336 Electrostatic discharge protection circuit and method of operation  
An ESD protection circuit ( 201 ) is for use with a high-voltage tolerant I/O circuit in an IC. This is accomplished by providing a small ESD diode ( 217 ) from the I/O pad to a relatively small...
6967381 Semiconductor device  
In order to improve the robustness against electrostatic discharge, when power source terminal and ground terminal are open, of a semiconductor device having a first, a second and a third inverter...
6965502 System, device and method for providing voltage regulation to a microelectronic device  
The present invention provides a power regulation system and method with high speed signal settling capabilities for providing rapid active transient response to a microelectronic device. An active...
6954346 Filter assembly  
The invention provides electrical filters, circuits including the filters, connectors including the filters, and methods of making and using the same wherein the filter includes a G conductor, an A...
6949802 ESD protection structure  
The invention describes structures and a process for providing ESD protection between multiple power supply lines or buses on an integrated circuit chip. Special diode strings are used for the...
6947273 Power, ground, and routing scheme for a microprocessor power regulator  
A method, apparatus, and system for routing signals in a microelectronic device are disclosed. The system includes a plurality of chip components, such as transient suppression regulators, that are...
6947267 RC controlled ESD circuits for mixed-voltage interface  
The present invention relates an electrostatic discharge (ESD) protection device that is applied to a mixed voltage circuit assembly. The device comprises a RC controlled circuit subassembly and a...
6944005 Surge protected coaxial termination  
A surge-protected coaxial termination includes a metallic outer body, a center conductor extending through a central bore of the outer body, and a spark gap created therebetween to discharge...
6940703 Overvoltage protection circuit  
An overvoltage protection circuit for interposing between an input voltage and a supply voltage is described. The overvoltage protection circuit includes switch circuitry connected to and passing...
6937454 Integrated device providing overcurrent and overvoltage protection and common-mode filtering to data bus interface  
An electrical component includes a mounting substrate, a common-mode rejection filter mounted to the substrate, and at least one circuit protection element mounted to or formed by the substrate....
6934136 ESD protection of noise decoupling capacitors  
Electrostatic discharge protection devices formed at a face of a semiconductor substrate, integrated with a component sensitive to electrostatic discharge, wherein the protection device is...
6930872 Spark gap device  
The present invention provides an over-voltage surge protection device comprising a printed circuit board having a signal carrying conductive member having a plurality of nodes positioned...
6930501 Method for determining an ESD/latch-up strength of an integrated circuit  
A method for determining an ESD/latch-up strength of an integrated circuit includes producing an integrated circuit and a test structure using the same fabrication process. Electrical parameters at...
6927956 Semiconductor integrated circuit device with enhanced resistance to electrostatic breakdown  
A semiconductor integrated circuit device having a plurality of internal circuits connected to different power lines, and an inter-circuit signal wire or a branched wire along these internal...
6924963 ESD protection network utilizing precharge bus lines  
An electrostatic discharge protection circuit for an integrated circuit that reduces unwanted transient currents during normal operations. In one embodiment, the electrostatic discharge protection...
6922322 High side reverse and overvoltage transient protection  
A high side reverse voltage and overvoltage protection circuit configuration comprising: a first switching device in operable communication with a transient protected voltage source; a second...
6921950 Semiconductor device  
In order to improve the robustness against electrostatic discharge, when power source terminal and ground terminal are open, of a semiconductor device having a first, a second and a third inverter...
6919602 Gate-coupled MOSFET ESD protection circuit  
A gate-coupled MOSFET ESD protection circuit. The circuit has a gate-node potential controlled by an inverter and a timing control circuit. Unlike current-shunting ESD clamping devices that turn...
6917554 Protection circuit  
A protection circuit that permits the use of thin oxide transistor devices. In one embodiment, the circuit is used to protect internal nodes of a flash EEPROM chip from a power pad voltage. A thin...
6912109 Power-rail ESD clamp circuits with well-triggered PMOS  
A new ESD (Electrostatic Discharge) protection circuit with well-triggered PMOS is provided for application in power-rail ESD protection. A PMOS device is connected between the VDD and VSS power...
6903914 DC-DC converter having active transient response compensation circuit employing flyback inductor  
A DC-DC converter has an output bus coupled to power a load. A voltage transient compensation circuit has a first switch between a voltage input bus and the output bus, and a second switch between...
6903913 ESD protection circuit for mixed-voltage I/O ports using substrated triggering  
An ESD protection circuit for mixed-voltage input/output (I/O) circuits. The ESD protection circuit utilizes substrate triggering of a parasitic NPN BJT under a cascaded NMOS transistor pair with a...
6900972 Circuit interrupter with improved surge suppression  
A suppression and protection circuit is used in conjunction with a circuit interrupter. In one configuration, a voltage clamping device such as a metal oxide varistor is utilized in a ground fault...
6898062 Electrostatic discharge (ESD) protection device with simultaneous and distributed self-biasing for multi-finger turn-on  
An ESD protection circuit for a semiconductor integrated circuit (IC) having protected circuitry, includes an SCR having at least one finger. Each finger includes a PNP transistor and an NPN...
6894884 Offset pathway arrangements for energy conditioning  
An amalgamation of selected energy pathways and other elements formed at least in-part by sequential manufacturing operations and made operable to be coupled and/or formed as part of a...
6894880 Protection circuit for semiconductor laser device  
A resistor is connected in series with a semiconductor laser device, while, on both sides of this resistor, a first capacitor and a second capacitor are connected in parallel with the semiconductor...
6891709 Surface mounting surge absorber and surface mounting cap for surge absorber  
Surface mounting caps 14 are placed onto both ends of a cylindrical housing 12 of a surge absorber element 10 . The surface mounting cap 14 is formed by pressing a phosphor bronze plate, and...