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US20120068739 HIGHLY EFFICIENT CLASS-D AMPLIFIER  
A simplistic low cost circuit that generates the necessary drive voltage for use in a source follower totem pole power switching circuit is described where the simplified gate drive circuit may...
US20140300413 POWER TRANSISTOR GATE DRIVER  
The present invention relates to a gate driver for a power transistor comprising a first charging path operatively connected between a first voltage supply and a gate terminal of the power...
US20130321055 HIGH VOLTAGE CLAMP CIRCUIT  
This document discloses, among other things, a voltage clamp circuit where an output voltage equals an input voltage for at least a portion of a first range of input voltages, and where the output...
US20120274146 ADVANCED CLOCK SYNCHRONIZATION CIRCUIT FOR SWITCH MODE POWER SUPPLIES  
In a switch mode power supply, a circuit and method for switching between an internal clock and an external synchronization clock when a stable external clock has been detected, and for switching...
US20110273407 SCAN DRIVER, METHOD OF DRIVING THE SCAN DRIVER, AND ORGANIC LIGHT-EMITTING DISPLAY INCLUDING THE SCAN DRIVER  
A scan driver includes a plurality of stages and is capable of overlapped driving of scan signals output by each of the stages. A method of driving the scan driver, and an organic light emitting...
US20140002161 CIRCUIT ARRANGEMENT, A RETENTION FLIP-FLOP, AND METHODS FOR OPERATING A CIRCUIT ARRANGEMENT AND A RETENTION FLIP-FLOP  
Various aspects of this disclosure provide a circuit arrangement, including: an input; a first latch circuit coupled to the input, the first latch circuit including a first forward inverter and a...
US20120038416 Low-Power, High-Voltage Integrated Circuits  
Embodiments relate to an ultra-low-power, high-voltage integrated circuit (IC) that also has high electromagnetic compatibility (EMC). Embodiments address the desire for an ultra-low-power,...
US20140055187 CLOCK INTEGRATED CIRCUIT  
The clock circuit of an integrated circuit operates with variations such as temperature, ground noise, and power noise. Various aspects of an improved clock integrated circuit address one or more...
US20120319756 Clock Integrated Circuit  
The clock circuit of an integrated circuit operates with variations such as temperature, ground noise, and power noise. Various aspects of an improved clock integrated circuit address one or more...
US20110210776 Clock Integrated Circuit  
The clock circuit of an integrated circuit operates with variations such as temperature, ground noise, and power noise. Various aspects of an improved clock integrated circuit address one or more...
US20110133804 CLOCK INTEGRATED CIRCUIT  
The clock circuit of an integrated circuit operates with variations such as temperature, ground noise, and power noise. Various aspects of an improved clock integrated circuit address one or more...
US20110234303 ELECTRIC FUSE CIRCUIT AND METHOD OF OPERATING THE SAME  
A fuse circuit includes an electric fuse coupled to a first voltage source; a low resistance unit coupled to the electric fuse and having a junction which is capable of breaking down; and a...
US20140312959 CURRENT SWITCHING DEVICE WITH IGCT  
An exemplary current switching device includes an integrated gate-commutated thyristor with an anode, a cathode, and a gate, wherein a current between the anode and the cathode is interruptible by...
US20110204924 Techniques For Measuring Voltages in a Circuit  
A circuit includes a comparator, a resistor divider, a control circuit, a multiplexer, and a programmable gain amplifier. The comparator is operable to measure an internal voltage of the circuit...
US20120169379 VOLTAGE HOLD CIRCUIT  
A voltage hold circuit includes four switches, an operational amplifier and a capacitor. By turning the switches on and off, the operational amplifier functions as a unity-gain buffer. In the...
US20140118029 HIGH VOLTAGE OFFSET DETECTION CIRCUIT  
A high voltage half-bridge driver circuit has a high voltage terminal and a floating node to be connected with a high side switch therebetween. When turning on the high side switch, a high voltage...
US20110301475 VOLTAGE-FREQUENCY CONVERSION CIRCUIT AND BLOOD PRESSURE MEASUREMENT DEVICE EQUIPPED WITH SAME  
A resistor element is arranged between an input terminal and a node. A switch element is arranged between the node and a ground voltage, and is conducted according to a voltage level of the node. A...
US20110267138 Synchronous rectifier circutits  
This invention relates in Synchronous Rectifier Circuits, comprises: AC input terminal, switch, driving circuit, protect opposite current circuit and a load, to improved conventional Synchronous...
US20140118073 CANCELLATION OF DYNAMIC OFFSET IN MOS RESISTORS  
A circuit utilizes a MOS device in a triode mode of operation and includes a biasing circuit and a MOS device. The MOS device has a drain, a source, and a gate terminal, and is coupled to the...
US20130093504 REFERENCE VOLTAGE GENERATORS, INTEGRATED CIRCUITS, AND METHODS FOR OPERATING THE REFERENCE VOLTAGE GENERATORS  
A reference voltage generator is described. The reference voltage generator includes a proportional to absolute temperature (PTAT) current source, the PTAT current source being capable of providing...
US20120146715 Temperature Independent Reference Circuit  
A temperature independent reference circuit includes first and second bipolar transistors with commonly coupled bases. First and second resistors are coupled in series between the emitter of the...
US20110298529 Temperature independent reference circuit  
A temperature independent reference circuit includes first and second bipolar transistors with commonly coupled bases. First and second resistors are coupled in series between the emitter of the...
US20110121889 Temperature independent reference circuit  
A temperature independent reference circuit includes first and second bipolar transistors with commonly coupled bases. First and second resistors are coupled in series between the emitter of the...
US20140111259 POWER-ON RESET CIRCUIT  
A power-on reset circuit includes a power confirmation module and a reset signal generator. The power confirmation module receives a supply voltage and generates a reference voltage and a...
US20110115533 POWER-ON-RESET CIRCUIT WITH BROWN-OUT RESET FOR MULTIPLE POWER SUPPLIES  
A power-on reset circuit includes a first circuit and a second circuit. The first circuit include a first NMOS transistor having a gate controlled by a low voltage supply VDD_L, a resistor...
US20130335132 CIRCUIT SHARING TIME DELAY INTEGRATOR  
The present invention discloses a circuit sharing time delay integrator structure. The major composing elements of this circuit sharing time delay integrator structure are: a sharing circuit, a...
US20120235731 CONTINUOUS TUNABLE LC RESONATOR USING A FET AS A VARACTOR  
A varactor includes a field effect transistor (FET) integrated with at least a portion of a bipolar junction transistor (BJT), in which a back gate of the FET shares an electrical connection with a...
US20140108826 COMPACT LOW POWER LEVEL SHIFTER FOR DUAL RAIL  
The described apparatus and methods may include a first shifting stage configured to receive a signal having an upper power rail at a first voltage level and a lower power rail at a second voltage...
US20110068838 ELECTRONIC DEVICE FOR POWER-ON-RESET  
An electronic device is provided that includes a power-on-reset (POR) circuit. The POR circuit includes a trigger stage configured to change an output if a first power supply voltage level exceeds...
US20120319758 BI-FET CASCODE POWER SWITCH  
Power switch devices for high-speed applications are disclosed. The power switch device includes a depletion mode field effect transistor (D-FET), an enhancement mode field effect transistor...
US20120182062 TEMPERATURE SENSOR DEVICE  
Provided is a temperature sensor device operable at a lower voltage. The temperature sensor device detects temperature based on an output voltage of a forward voltage generator for generating a...
US20120019310 TRIMMER CIRCUIT AND METHOD  
A trimmer circuit is so configured that an electronic device will break down to produce a high current to trim a fuse. The electronic device is selectively configured to have a breakdown voltage...
US20120223764 ON-CHIP CONTROL OF THERMAL CYCLING  
A method, system, and computer program product for on-chip control of thermal cycling in an integrated circuit (IC) are provided in the illustrative embodiments. A first circuit is configured on...
US20110156770 AUTO-RESTART CIRCUIT AND AUTO-RESTART METHOD  
Disclosed is an auto-restart circuit and auto-restart method. A main integrated circuit (IC) of a main stage controls a switching operation of at least one power switch. The auto-restart circuit...
US20120126881 MEMS SENSOR USING MULTI-LAYER MOVABLE COMBS  
A MEMS sensor comprises a substrate and at least one proof mass having a first plurality of combs, wherein the proof mass is coupled to the substrate via one or more suspension beams such that the...
US20140111274 PROGRAMMABLE REVISION CELL ID SYSTEM AND METHOD  
An integrated circuit comprising a plurality of metal programmable revision identification (MPRI) cells, wherein each MPRI cell further comprises a plurality of metal layers, a plurality of vias...
US20130222037 VOLTAGE LEVEL SHIFTER  
A voltage level shifter has an input circuit with an inverter coupled to an input node, a pull-down control transistor with a gate coupled to a first node of the inverter, and a pull-up control...
US20130187687 POWER-ON RESET CIRCUIT AND METHOD OF USE  
The disclosed power-on reset circuit provides an indication of when and whether a supply voltage Vdd has reached a trigger voltage level Vtrig. The disclosed circuit includes a flip-flop circuit...
US20130106473 POWER-ON RESET CIRCUIT AND METHOD  
The disclosed power-on reset circuit provides an indication of when and whether a supply voltage Vdd has reached a trigger voltage level Vtrig. The disclosed circuit includes a flip-flop circuit...
US20110309873 CIRCUIT HAVING GATE DRIVERS HAVING A LEVEL SHIFTER  
A circuit comprises a first level shifting circuit. The level shifting circuit comprises a first and second latching differential pairs. The first latching differential pair has first and second...
US20100327947 Circuit and Method for Controlling the Secondary FET of Transformer Coupled Synchronous Rectified Flyback Converter  
A secondary FETsc control circuit is disclosed for controlling FETsc of transformer coupled synchronous rectified flyback converter (TCSC). The control circuit includes source-drain voltage VSD...
US20110254602 LOCKSTEP SYNCHRONIZATION AND MAINTENANCE  
A method and circuit are provided for synchronizing a first circuit and a second circuit. The first and second circuits are signaled to each generate respective waveform outputs. A phase difference...
US20110050286 TEMPERATURE SENSING CIRCUIT  
A temperature sensing circuit that does not use an oscillator is presented. The temperature sensing circuit includes a selector and a detector. The selector is configured to select and output a...
US20110012668 PROGRAMMABLE EFUSE AND SENSE CIRCUIT  
A circuit for electric fuses includes circuits for sensing status and programming that have separate paths for each operation. The circuit includes a plurality of electrically programmable fuses...
US20130321050 DELAY-LOCKED LOOP  
A delay-locked loop to control a delay amount of an external clock based on phase comparisons of a feedback clock acquired by delaying a DLL clock and the external clock and generate the DLL clock...
US20120176185 TECHNIQUES FOR ATTENUATING RESONANCE INDUCED IMPEDANCE IN INTEGRATED CIRCUITS  
Provided is an integrated circuit system and method for biasing the same that features bifurcating a power distribution network to provide a bias voltage to the integrated circuit system. One of...
US20120187995 ERROR AMPLIFICATION CIRCUIT, CONTROL METHOD FOR ERROR AMPLIFICATION CIRCUIT, AND SWITCHING REGULATOR EMPLOYING ERROR AMPLIFICATION CIRCUIT  
An error amplification circuit includes an integrated circuit and a phase compensation capacitor. The integrated circuit includes an error amplifier to amplify a difference between a predetermined...
US20100308888 Driver circuit  
A driver circuit including a pre-driver B1 that operates by receiving operating power from a first power supply VDDI, and a main-driver B2 that receives operating power from a second power supply...
US20130063201 REFERENCE VOLTAGE CIRCUIT  
Provided is a reference voltage circuit for generating a low constant voltage (1.25 V or lower) having less temperature dependence. The reference voltage circuit includes: a bandgap voltage...
US20110068849 Active Monostable Positive Transient Protection Circuit for a Capacitive Load  
An electrically noisy D.C. power source having high slew rate A.C. transient voltage, is cut off from a capacitive load by a switchable, constant slew rate voltage source, upon the detection of an...