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US20150194886 VOLTAGE REGULATION SYSTEM FOR INTEGRATED CIRCUIT  
An integrated circuit (IC) with voltage regulation includes high power and low power domains, low and high voltage regulators and a low power regulator. The low voltage regulator powers the high...
US20150194887 POWER GATING TECHNIQUES WITH SMOOTH TRANSITION  
In an embodiment, an electronic device includes an integrated circuit (IC) having a plurality of power domains, a first regulator coupled to a given power domain, a second regulator coupled to the...
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...
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...
US20130241615 HIGH VOLTAGE SWING DECOMPOSITION METHOD AND APPARATUS  
A voltage swing decomposition circuit includes first and second clamp circuits and a protection circuit. The first clamp circuit is configured to clamp an output node of the first clamp circuit at...
US20120013383 VOLTAGE CLAMP CIRCUIT AND INTEGRATED CIRCUIT INCORPORATING SAME  
A voltage clamp circuit includes a power supply, a first element connected with the power supply to output a constant current, a third element configured to allow a current to pass through when a...
US20120049922 TOTAL ENERGY LIMITING AND CONTROLLING DEVICE, AND TOTAL ELECTRIC POWER LIMITING AND CONTROLLING DEVICE AND METHOD  
A total electric power limiting and controlling device has a total allocated electric power inputting portion receiving information for the total allocated electric power specifying the amount of...
US20140266380 INTERFACE AND RELATED METHOD FOR CONNECTING SENSOR EQUIPMENT AND A PHYSIOLOGICAL MONITOR  
An interface to connect sensor equipment and a physiological monitor includes a first connector to receive power from a first channel of the monitor and a second connector to receive power from a...
US20130049783 VOLTAGE CLAMPING CIRCUIT AND USE THEREOF  
A voltage clamp circuit for reflecting a voltage at an input node includes a circuit for providing at least two currents at its output terminal, and at least two diodes each being connected to an...
US20140028409 CHOPPER BASED RELAXATION OSCILLATOR  
A reference circuit, an oscillator architecture that includes the reference circuit and a method for operating the reference circuit are described. In one embodiment, the reference circuit...
US20130257504 Clamping Circuit  
A clamping circuit includes a clamping element with a control terminal and a load path that is coupled between a first circuit node and a second circuit node. A control circuit is coupled between...
US20120092057 VOLTAGE-MODE DRIVER WITH CONTROLLABLE OUTPUT SWING  
A circuit includes a first node, a second node, a pull-up circuit selectively coupled to the first node or the second node, a pull-down circuit selectively coupled to the first node or the second...
US20140145765 VOLTAGE RAMP-UP PROTECTION  
Systems and methods for voltage ramp-up protection. In an illustrative, non-limiting embodiment, a method may include monitoring at least one of a first node or a second node, the first node...
US20140139281 WINDOW REFERENCE TRIMMING FOR ACCESSORY DETECTION  
This document discusses, among other things, a detection circuit configured to receive an output of a window comparator over a range of input values and to measure a difference between first and...
US20100295595 ELECTRONIC CLAMPS FOR INTEGRATED CIRCUITS AND METHODS OF USE  
An electronic clamp is provided for an integrated circuit having a first voltage island (1) to which an output signal (clamp out) of the clamp is applied and a second voltage island (2) operative...
US20120223759 RECEIVER CIRCUIT  
A receiver circuit is provided which receives an external signal of high voltage and provides a corresponding internal signal of low voltage. The receiver circuit includes a voltage limiter, a...
US20140266081 ADAPTIVE ADJUSTMENT TO OUTPUT RIPPLE IN A DEAD ZONE  
An embodiment relates to a method for adjusting a dead zone, wherein an amplitude of an oscillating signal is determined, and wherein the dead zone is adjusted based on the amplitude of the...
US20120229173 Rapid switchable HV P-MOS power transistor driver with constant gate-source control voltage  
Systems and methods for providing a rapid switchable high voltage power transistor driver with a constant gate-source control voltage have been disclosed. A low voltage control stage keeps the...
US20150098163 SENSOR CONTROLLED TRANSISTOR PROTECTION  
A circuit for protecting a transistor is enclosed. The circuit includes a temperature sensing device coupled to the transistor and a tunable clamping circuit connected between transistor...
US20080144748 Method and system for providing analog control of digital gain in a wireless device  
A method for providing analog control of digital gain in a wireless device is provided. The method includes receiving an analog gain from a baseband modem at a radio frequency integrated circuit...
US20120268187 LEVEL SHIFTING CIRCUIT  
A level shifter shifts the level of an input signal from a second voltage domain to a first voltage domain. To accommodate different input signal levels (e.g., including sub-threshold input signal...
US20100188789 WINDOW COMPARATOR CIRCUIT FOR LIMITING INPUT VOLTAGE APPLIED TO OBJECT CIRCUIT  
Plurality of current mirror circuits CM1 to CM5 at which the same amount of current I1 flows in the circuits. Transistors Qa4/Qb5 are ON state when it is in the steady state. Transistors Qa5/Qb7...
US20110279163 SIGNAL LEVEL CROSSING DETECTOR CIRCUIT  
A signal level crossing detector circuit includes a DC isolator and a detector circuit. The DC isolator has at least a first input, which is operable to receive a high voltage AC signal, and at...
US20130021082 LOW VOLTAGE DIFFERENTIAL SIGNALING (LVDS) CIRCUITRY AND METHOD FOR DYNAMICALLY CONTROLLING COMMON MODE VOLTAGE AT INPUT  
Low voltage differential signaling (LVDS) circuitry and method for dynamically controlling the common mode voltage at the input of an LVDS receiver. The common mode voltage of the incoming LVDS...
US20140009374 SEMICONDUCTOR DEVICE, LIQUID CRYSTAL DISPLAY AND ELECTRONIC APPARATUS  
A semiconductor device includes: a trimming object circuit configured to use a trimming circuit to adjust an output based on a trimming value; and a trimming value setting circuit configured to...
US20120038407 Circuit Arrangement and Input Assembly  
A circuit arrangement in which a further electronic component for connecting and amplifying an electrical voltage is arranged between a first series arm and a second series arm to achieve limiting...
US20110215840 GATE DRIVE CIRCUIT  
A switch device comprised of a wide band gap semiconductor is provided. The switch device comprises a drain, a source, a gate and a gate voltage clamp circuit, which is connected between a signal...
US20140078838 INTERFACING BETWEEN INTEGRATED CIRCUITS WITH ASYMMETRIC VOLTAGE SWING  
Embodiments of the invention are generally directed to interfacing between integrated circuits with asymmetric voltage swing. An embodiment of an apparatus includes a first integrated circuit...
US20120212256 Mode Latching Buffer Circuit  
A voltage translator circuit includes an input stage adapted for receiving an input signal referenced to a first voltage supply, a first latch circuit adapted for connection with a second voltage...
US20130229219 Digital Input Unit  
A digital input unit for an automation device includes at least one current drawing DC input channel for connecting a transducer operated at a nominal DC voltage, where the input channel is...
US20130154745 CLIPPING CIRCUIT, DIFFERENTIAL AMPLIFYING CIRCUIT, AND AMPLIFYING CIRCUIT  
There is provided a clipping circuit in which a first input terminal receives a first signal, a second input terminal receives a second signal, a first variable resistive element has a control...
US20100045357 Clamp Circuit for Clamping Inrush Voltage Induced by Hot Plugging and Related Chip  
An inrush voltage clamping circuit for an electronic device for clamping an inrush voltage induced by hot plugging is disclosed. The clamp circuit includes a buffer unit and a clamp unit. The...
US20150214874 ACTIVE CLAMP FOR MOTOR DRIVER  
An apparatus includes a clamp control circuit configured to control a first current to have a magnitude substantially equal to that of a second current when the second current has a first flow...
US20130021083 ACTIVE CLAMP CIRCUIT  
According to one embodiment, an active clamp circuit includes a first switch element, a first diode, a first resistance, a first control circuit and a second control circuit. The first diode is...
US20130077358 CONTROLLER WITH CONSTANT CURRENT LIMIT  
Methods and apparatuses are disclosed for generating a temperature independent current limit. The value of the temperature independent current limit may be determined based in part on an error...
US20100117707 CLAMP CONTROL CIRCUIT HAVING CURRENT FEEDBACK  
In accordance with an aspect of the present invention, an external FET driving circuit includes a driving portion, a drain-to-gate clamp portion and a current feedback portion. The driving portion...
US20110050316 POWER TRANSISTOR WITH TURN OFF CONTROL AND METHOD FOR OPERATING  
A circuit has a power transistor, a driver control circuit, a variable clamp circuit and a turn-off control circuit. The power transistor has a first current electrode coupled to a first power...
US20100066428 PIN-SHARING ANALOG FRONT-END PROCESSING APPARATUS AND METHOD FOR PIN-SHARING THEREOF  
An analog front-end processing apparatus capable of sharing pins includes a plurality of positive pins, a negative pin, a plurality of positive clamping circuits, a negative clamping circuit, a...
US20120064848 Low Sample Rate Peak Power Reduction  
Peak power reduction in transmit chains of radiocommunication devices is performed using a low sample rate. Filtering and, optionally, interpolation of a signal being processed for peak power...
US20100026360 RELAY CIRCUIT, INFORMATION PROCESSING APPARATUS, AND RELAY METHOD  
A relay circuit for relaying signal transmission between a first circuit driven by a first voltage and a second circuit driven by a second voltage different from the first voltage, the relay...
US20150171851 SIGNAL AMPLITUDE DETECTION CIRCUIT  
A signal amplitude detection circuit includes a detector and a trimming algorithm module, and the detector having a preset baseline threshold reference value and an output terminal connected with...
US20100228305 Energy Efficient Defibrillation Current Limiter  
A current limiter for a defibrillation pulse is powered by the defibrillation pulse and switches the current delivery path open and closed when an excessive current condition exists. The excessive...
US20140361823 DIGITAL POWER GATING WITH GLOBAL VOLTAGE SHIFT  
A system which may be implemented on an integrated circuit including a global supply bus, a gated supply bus, a functional circuit receiving voltage from the gated supply bus, and a digital power...
US20130241622 RECEIVER WITH TIME-VARYING THRESHOLD VOLTAGE  
A system for communicating information between circuits is described. A transmit circuit provides pulse-amplitude-modulation (PAM) signals via a communication channel to a receiver. A circuit in...
US20100109740 Clamp networks to insure operation of integrated circuit chips  
Clamp networks are provided to insure successful operation of a variety of electronic circuits that are realized in the form of integrated circuit chips. These networks are especially suited for...
US20080054979 LEVEL SHIFTING CIRCUIT, DRIVING DEVICE, LED PRINT HEAD, AND IMAGE FORMING APPARATUS  
A level shifting circuit converts an input signal that varies between ground and a first voltage to a shifted signal that varies between ground and a second voltage higher than the first voltage....
US20140306541 METHOD AND APPARATUS FOR IMPROVING PV MODULE FILL FACTOR USING A VOLTAGE CLAMPING CIRCUIT  
A method and apparatus for voltage clamping including: measuring a DC voltage across the PV module at an input of a power converter, comparing the measured DC voltage to the overvoltage threshold,...
US20110156793 SYSTEMS AND METHODS FOR DRIVING HIGH POWER STATES USING LOWER VOLTAGE PROCESSES  
A battery assisted level shifter comprises a pull up transistor pulling up an output when a received input signal is high, a pull down transistor pulling down the output when the received input...
US20060232318 Power clamp circuit and semiconductor device  
A power clamp circuit for preventing unnecessary power supply leak current at a tolerable power supply noise level. A reference voltage circuit generates a reference voltage by reducing a positive...
US20120268186 TRANSMISSION CHANNEL FOR ULTRASOUND APPLICATIONS  
A transmission channel includes at least one high voltage buffer block having buffer transistors and respective buffer diodes, being electrically coupled between respective voltage reference...

Matches 1 - 50 out of 73 1 2 >