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US20140097873 POWER-ON-RESET (POR) CIRCUIT WITH ZERO STEADY-STATE CURRENT CONSUMPTION AND STABLE PULL-UP VOLTAGE  
The present invention discloses a Power-On-Reset (POR) circuit with zero steady-state current consumption and stable pull-up voltage. The POR circuit achieves zero steady-state current consumption...
US20140203860 GATE DRIVE CIRCUIT FOR TRANSISTOR  
In a gate drive circuit, a gate voltage limiting circuit limits a gate voltage equal to or lower than a first limiting voltage in a first period, and limits the gate voltage equal to or lower than...
US20110128067 TRIMMING OF OPERATIVE PARAMETERS IN ELECTRONIC DEVICES BASED ON CORRECTIONS MAPPINGS  
An embodiment of an electronic device having a plurality of operative parameters is provided. The electronic device includes means for applying a plurality of trimming actions to each parameter...
US20110062995 Low Power, Accurate Reference-Free Threshold Detector  
Embodiments of the present invention relate generally to detector circuits. Embodiments provide a low-power, accurate reference-free threshold detector. In particular, embodiments reduce leakage...
US20140253210 VOLTAGE LEVEL SHIFTER WITH A LOW-LATENCY VOLTAGE BOOST CIRCUIT  
Certain aspects of the present disclosure provide a voltage level shifting circuit employing a low latency, AC-coupled voltage boost circuit, as well as other circuits and apparatus incorporating...
US20130285717 POWER-ON-RESET CIRCUITRY  
Power-on-reset circuitry is provided for integrated circuits such as programmable logic device integrated circuits. The power-on-reset circuitry may use comparator-based trip point voltage...
US20100301926 Optimization of Circuits Having Repeatable Circuit Instances  
Techniques for forming a first electronic circuit including a plurality of instances of a repeatable circuit element include the steps of: obtaining a total number of instances of the repeatable...
US20110088741 Solar Photovoltaic Module Safety Shutdown System  
A PV system may be used in case of emergencies. Each individual photovoltaic module receives a signal to determine if it is allowed to be operational or must shut down. Modules by default are shut...
US20110095805 LEVEL SHIFTERS AND INTEGRATED CIRCUITS THEREOF  
An integrated circuit includes a level shifter configured to receive a first voltage signal that swings between a first voltage level and a second voltage level, outputting a second voltage signal...
US20110018454 IMPROVEMENTS IN AND RELATING TO LOW POWER LIGHTING  
Circuitry for driving an LED light source (100) from a mains supply (10) is shown. Before reaching the driver circuit (40) for LED (100), the mains supply (10) passes via a TRIAC dimmer (20) and a...
US20140167861 BIAS CIRCUIT AND POWER AMPLIFIER WITH DUAL-POWER MODE  
There are provided a bias circuit and a power amplifier with a dual-power mode. The bias circuit includes a regulated voltage generation unit generating a regulated voltage by using a reference...
US20130106466 HIGH VOLTAGE OFFSET DETECTION CIRCUIT  
A high voltage H-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...
US20130165061 MIXER WITH HIGH SECOND-ORDER AND THIRD-ORDER INTERCEPT POINT  
Embodiments of apparatuses, systems and methods relating to a mixer having high second- and third-order intercept points are disclosed. Other embodiments may be described and claimed.
US20150028943 RECONFIGURABLE POWER SWITCH CHAINS FOR EFFICIENT DYNAMIC POWER SAVING  
Traditionally, designs have been very conservative on power grid design using higher margins than those needed for safe operation. This is especially true for process driver designs which may not...
US20120161863 AMPLIFIER PROVIDING POWER RECOVERY FROM A NARROW-BAND ANTENNA  
A method, amplifier and system are provided for enabling power recovery from a narrow-band antenna when a signal having bandwidth exceeding that of the antenna is utilized. The amplifier provides...
US20150249442 APPARATUS AND METHOD FOR LOW POWER FULLY-INTERRUPTIBLE LATCHES AND MASTER-SLAVE FLIP-FLOPS  
Described is a latch which comprises: a first AND-OR-invert (AOI) logic gate; and a second AOI logic gate coupled to the first AOI logic gate, wherein the first and second AOI logic gates have...
US20150116019 APPARATUS AND METHOD FOR LOW POWER FULLY-INTERRUPTIBLE LATCHES AND MASTER-SLAVE FLIP-FLOPS  
Described is a latch which comprises: a first AND-OR-invert (AOI) logic gate; and a second AOI logic gate coupled to the first AOI logic gate, wherein the first and second AOI logic gates have...
US20130113548 METHODS AND CIRCUITS FOR GENERATING REFERENCE VOLTAGE  
A circuit for generating a reference voltage includes a first reference voltage generating circuit disposed outside a chip and a second reference voltage generating circuit disposed inside the...
US20120287688 FOUR QUADRANT BIDIRECTIONAL SWITCH  
A four quadrant bidirectional switch. In one embodiment, the four quadrant bidirectional switch comprises a first switch, a second switch, and a third switch, wherein (i) the first and second...
US20130049836 MULTI-THREADING FLIP-FLOP CIRCUIT  
A flip-flop circuit includes a master latch, a master/slave gate, a slave latch, a slave gate, a feedback latch, and a master gate. The master latch has an input and an output. The master/slave...
US20130021071 LOW CURRENT, HIGH ACCURACY POWER-ON-RESET  
The present disclosure relates generally to power-on-reset (POR) devices for activation of a circuit block powered by a battery. The POR devices activate a circuit block when a battery voltage...
US20100327777 CLAMP TO ENABLE LOW VOLTAGE SWITCHING FOR HIGH VOLTAGE TERMINAL APPLICATIONS  
An output stage for an LED driver is provided. In particular, a low voltage clamp, which uses several cascode circuits, is provided to protect low voltage switching transistors in the range of two...
US20110187441 Temperature Compensation Via Power Supply Modification to Produce a Temperature-Independent Delay in an Integrated Circuit  
A method and circuitry for adjusting the delay of a variable delay line (VDL) in a delay locked loop (DLL) or other delay element or subcircuit on an integrated circuit is disclosed. Such delay...
US20110025385 Power Supply Noise Rejection in PLL or DLL Circuits  
A phase controller can be part of a phase-locked loop (PLL) or a delay-locked loop (DLL). The phase controller includes first and second regulators. The first regulator provides power supply noise...
US20110121868 CLOCK BUFFER  
An apparatus is provided. The apparatus comprises a first bipolar junction transistor (BJT) differential pair having a first BJT and a second BJT, a second BJT differential pair having a third BJT...
US20110267094 CIRCUIT AND METHOD FOR DETECTING A FAULT ATTACK  
A device for detecting a fault attack, including: a circuit for detecting an interruption of a power supply; a circuit for comparing the duration of said interruption with a first threshold; and a...
US20130191677 Regional Clock Gating and Dithering  
A system and method for dithering a clock signal during idle times is disclosed. An integrated circuit (IC) includes a number of functional units and a clock tree. The clock tree includes a root...
US20130207714 SHUNT SWITCH AT COMMON PORT TO REDUCE HOT SWITCHING  
Pilot switch circuitry grounds a hot node (an injection node) of a microelectromechanical system (MEMS) switch to reduce or eliminate arcing between a cantilever contact and a terminal contact...
US20110006829 ISOLATION CIRCUIT  
An isolation circuit is provided. The isolation circuit is coupled to an output and an input node and includes a first set, a second switch set, and a body bias voltage generator. The first switch...
US20150207497 LOW-OFFSET BANDGAP CIRCUIT AND OFFSET-CANCELLING CIRCUIT THEREIN  
A low-offset bandgap circuit including a core bandgap circuit and an offset-cancelling circuit is provided. The low-offset bandgap circuit provides a reference voltage at an output node. The core...
US20120194253 High Voltage Tolerant Differential Receiver  
A high voltage tolerant differential receiver circuit includes a voltage divider ladder that is operative to divide in half differential input signals that are greater than threshold voltages of...
US20140266414 INTERNAL VOLTAGE GENERATOR AND CONTACTLESS IC CARD INCLUDING THE SAME  
A voltage generator of a contactless integrated circuit (IC) card includes a regulator configured to generate a first internal voltage based on an input voltage and a first reference voltage, the...
US20140266385 DUAL SUPPLY LEVEL SHIFTER CIRCUITS  
A dual supply level shifter circuit includes a switching circuit and a set of level shifter circuits coupled to the switching circuit. The switching circuit includes a first set of coupled...
US20140015601 POWER SUPPLY CIRCUIT  
A power supply circuit to supply an internal voltage to an output node includes: a pull-up driver, in response to a result obtained by comparing the internal voltage to a first reference voltage,...
US20130169353 INTERNAL VOLTAGE GENERATION CIRCUIT  
An internal voltage generation circuit includes a pumping voltage generation unit configured to generate a pumping voltage when a first internal voltage has a lower level than a first reference...
US20130321086 BIAS CIRCUIT AND POWER AMPLIFIER HAVING THE SAME  
There are provided a bias circuit supplying different levels of bias power according to respective power modes through a simple circuit configuration, and a power amplifier having the same. The...
US20120229183 POWER-ON RESET CIRCUIT AND ELECTRONIC DEVICE HAVING THE SAME  
A power-on reset circuit includes a current source circuit supplying a current that varies according to a temperature to a first node, a first transistor connected between the first node and a...
US20140176116 QUANTIFYING SILICON DEGRADATION IN AN INTEGRATED CIRCUIT  
A first instance and a second instance of an oscillating circuit are each formed as part of an integrated circuit and are used to monitor degradation over time of one or more portions of the...
US20150256164 TIMING MEASURING CIRCUIT  
According to one embodiment, a timing measuring circuit is provided with N (N is an integer of 2 or more) delay circuits and a comparison circuit. The N delay circuits delay a reference signal by...
US20130162341 AUTO-CALIBRATING A VOLTAGE REFERENCE  
A method and circuitry for determining a temperature-independent bandgap reference voltage are disclosed. The method includes determining a quantity proportional to an internal series resistance...
US20150028920 MULTIPLEXER, LOOK-UP TABLE AND FPGA  
The present invention relates to a multiplexer comprising at least a first input and a second input and one output connected to the first input via a first pass gate and to the second input via a...
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...
US20150002215 INTEGRATED CIRCUITS AND METHODS FOR MONITORING FORWARD AND REVERSE BACK BIASING  
An integrated circuit includes a device of a first conductivity type formed in a first well; a voltage regulator configured to provide a bias voltage to the first well based on a first reference...
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,...
US20140361824 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...