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Level Shift patents



      

This page is updated frequently with new Level Shift-related patent applications.




Date/App# patent app List of recent Level Shift-related patents
06/16/16
20160173109 
 Xor phase detector, phase-locked loop, and  operating a pll patent thumbnailXor phase detector, phase-locked loop, and operating a pll
An xor phase detector for a phase-locked loop pll comprises an xor gate which has an input for a periodic reference signal and another input connected to a frequency divider of the pll. A level shifter has a level shifter input connected to an output of the xor gate and a level shifter output connectable to a voltage-controlled oscillator vco of the pll.
Freescale Semiconductor, Inc.


06/16/16
20160173097 
 Semiconductor device and electronic device patent thumbnailSemiconductor device and electronic device
To provide a semiconductor device that inhibits unexpected output of a high-level signal immediately after the rise of a power supply voltage. The semiconductor device includes a first buffer circuit, a level shifter circuit, and a second buffer circuit.
Semiconductor Energy Laboratory Co., Ltd.


06/16/16
20160173096 
 Semiconductor device and electronic device patent thumbnailSemiconductor device and electronic device
To provide a semiconductor device that inhibits unexpected output of a high-level signal immediately after the rise of a power supply voltage. A semiconductor device includes a first buffer circuit, a level shifter circuit, and a second buffer circuit.
Semiconductor Energy Laboratory Co., Ltd.


06/16/16
20160173095 
 Level shifting circuit, apparatus and  operating the same patent thumbnailLevel shifting circuit, apparatus and operating the same
A level shifting circuit includes an input circuit, a leakage divider circuit, a skew inverter circuit and a buffering circuit. The input circuit has an input terminal configured to receive an input voltage.
Taiwan Semiconductor Manufacturing Company, Ltd.


06/16/16
20160173092 
 Current steering level shifter patent thumbnailCurrent steering level shifter
Described is an apparatus which comprises: a first power supply node to provide a first power supply; a second power supply node to provide a second power supply; a driver to operate on the first power supply, the driver to generate an output; and a receiver to operate on the second power supply, the receiver to receive the output from the driver and to generate a level-shifted output such that the receiver is operable to steer current from the second power supply to the first power supply.. .
Intel Corporation


06/16/16
20160173070 
 High-speed level shifter patent thumbnailHigh-speed level shifter
A level shifter includes a latch having first and second branches, first and second outputs, first and second control switches in series between the respective branches and outputs, and a controller receiving first and second output signals and outputting first and second control signals to the first and second control switches for controlling activation thereof. In an initial state, the first output signal is in the first state, the first control switch is activated, the second output signal is in the second state, and the second control switch is deactivated.

06/09/16
20160164413 
 Semiconductor device and power conversion device patent thumbnailSemiconductor device and power conversion device
Provided is a semiconductor device which drives a power semiconductor device, in which dead times generated when switch elements of upper and lower arms are turned on and off are minimized, and a loss of a power conversion device is reduced. A semiconductor device used in a power conversion device that includes a first switch element of which the drain is connected to a first power source voltage and a second switch element of which the source is connected to a second power source voltage includes a first drive circuit that drives the first switch element, a second drive circuit that drives the second switch element, a first level shift circuit, and a second level shift circuit.
Hitachi, Ltd.


05/26/16
20160149579 
 Voltage level shifter circuit patent thumbnailVoltage level shifter circuit
Embodiments include apparatuses, methods, and systems for voltage level shifting a data signal between a low voltage domain and a high voltage domain. In embodiments, a voltage level shifter circuit may include adaptive keeper circuitry, enhanced interruptible supply circuitry, and/or capacitive boosting circuitry to reduce a minimum voltage of the low voltage domain that is supported by the voltage level shifter circuit.
Intel Corporation


05/19/16
20160142056 
 Level shifter of driving circuit patent thumbnailLevel shifter of driving circuit
A level shifter applied to a driving circuit of a display is disclosed. The level shifter at least includes a first stage of level shifting unit, a second stage of level shifting unit, and two third stage of level shifting units belonging to different power domains and used to perform boost conversion of voltage signals in different power domains.
Raydium Semiconductor Corporation


05/19/16
20160140922 
 Goa circuit and liquid crystal display device applied to liquid crystal displays patent thumbnailGoa circuit and liquid crystal display device applied to liquid crystal displays
A goa circuit applied to a liquid crystal display is disclosed, which comprises a plurality of cascaded shift register units, an (n)th level shift register unit is controlled to charge an (n)th level scanning line accordingly. The (n)th level shift register unit includes a pull-up circuit, a pull-down circuit, a pull-down sustain circuit, a pull-up control circuit, a down transfer circuit, and an bootstrap capacitor, and a display device is also disclosed herein.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


05/12/16
20160133320 

Sense amplifier including a single-transistor amplifier and level shifter and methods therefor


Methods are provided for use with a memory array that includes a selected memory cell coupled to a selected word line and a selected bit line, with the selected word line biased at a read voltage. The method include coupling a sense amplifier to the selected bit line, the sense amplifier including a capacitor integrator, a single-transistor amplifier and a level shifter, maintaining the selected bit line at a voltage of substantially 0v using the single-transistor amplifier and the level shifter, and integrating a selected bit line current on the capacitor integrator..
Sandisk 3d Llc


05/12/16
20160131717 

Assembled-battery system, semiconductor circuit, and diagnostic method


This invention provides an assembled-battery system, a semiconductor circuit, and a diagnostic method that enable appropriate self-diagnosis of a measuring unit. Namely, an output value (a-b) output from an analog-to-digital converter through power-supply lines, a cell-selection switch, and a level shifter is summed with an output value (b-vss) obtained by a directly input reference voltage b being output from the analog-to-digital converter, and when the summed value is considered equal the reference voltage a—the voltage vss, it is diagnosed that an abnormality such as a breakdown has not occurred..
Lapis Semiconductor Co., Ltd.


05/05/16
20160126956 

Negative-level shifting circuit and a source driver and a display device using the circuit


A negative-level shifting circuit includes a first level shifter including an input circuit configured to receive a logic signal having a first voltage level and a load circuit configured to generate a first output signal having a second voltage level based on a voltage generated by the input circuit, and a second level shifter configured to receive the first output signal from the first level shifter and generate a second output signal having a third voltage level. The first level shifter further includes a shielding circuit connected between the input circuit and the load circuit and configured to separate an operating voltage region of the input circuit from an operating voltage region of the load circuit such that the input circuit operates in a positive voltage region and the load circuit operates in a negative voltage region..

05/05/16
20160126944 

P-channel mosfet high voltage driver


In accordance with one or more aspects of the disclosed embodiments, a drive circuit having a source of modulation for producing a modulated signal, a level shifter configured to receive the modulated signal and produce a level-shifted driver signal, an inverter circuit configured to receive the level-shifted driver signal and produce a mosfet control signal, and at least one p-channel metal oxide semiconductor field effect transistor (mosfet) configured to receive the mosfet control signal and modulate an application of high current to a load, where the mosfet control signal is supplied directly to the p-channel mosfet through the inverter circuit.. .
The Boeing Company


05/05/16
20160125993 

Detection of plunger movement in dc solenoids through current sense technique


An apparatus and method of detecting movement of a plunger of the solenoid includes detecting a peak (ipeak) in a current signal applied to a coil of the solenoid. A predetermined threshold is added to the current signal applied to the coil of the solenoid to generate a level shifted signal.
Texas Instruments Incorporated


05/05/16
20160121608 

Liquid discharging substrate, printhead, and printing apparatus


A liquid discharging substrate comprising discharging units, a first pad arranged on a first side, a second pad arranged on a second side, a signal generating unit arranged between the first pad and the second pad, level shifters, for shifting a level of a signal generated by the signal generating unit to output the signal to the discharging units, arranged between the signal generating unit and the second pad, a first wiring line for supplying the signal generating unit with a first reference voltage received by the first pad, and a second wiring line for supplying the level shifters with the second reference voltage received by the second pad, wherein the first wiring line and the second wiring line are isolated from each other between the signal generating unit and the level shifters in a planar view.. .
Canon Kabushiki Kaisha


04/28/16
20160118987 

Level shifter with low static power dissipation


In one embodiment, a level shifter has a cascade voltage-switching logic (cvsl) structure having two pull-up networks connected in a positive feedback arrangement, each pull-up network connected in series with a corresponding pull-down network. The effective transistor sizes of the two pull-up networks are different such that, at power on, if a level-shifter node connected to an output inverter initially has an in-between voltage level (e.g., at or near the midpoint between the output voltage-domain power-supply voltage and ground), the node voltage will quickly be driven either high or low (depending on the level-shifter design and other initial conditions), thereby reducing leakage current through the output inverter that could otherwise be maintained if the pull-up networks had the same effective transistor size.
Lattice Semiconductor Corporation


04/28/16
20160118986 

Apparatus for reference voltage generation for i/o interface circuit


An apparatus includes a first input/output (i/o) interface circuit having a maximum voltage rating. The first i/o interface circuit includes a level shifter and an output stage.
Stmicroelectronics International N.v


04/28/16
20160118985 

Circuit arrangement and operating the same


A circuit arrangement may be provided including a level shifting stage configured to be coupled to a first reference voltage and a second reference voltage. The circuit arrangement may also include a first input electrode in electrical connection with the level shifting stage for coupling a first input voltage and a second input electrode in electrical connection with the level shifting stage for coupling a second input voltage.
Agency For Science, Technology And Research


04/28/16
20160118979 

Drive circuit for semiconductor element and semiconductor device


A primary circuit produces a first on-pulse and a first off-pulse synchronized with a rising edge and a falling edge of an input signal, respectively. A level shift circuit produces a second on-pulse and a second off-pulse formed by shifting the voltage level of the first on-pulse the first off-pulse, respectively.
Mitsubishi Electric Corporation


04/28/16
20160118977 

Dc-dc converter with temperature, process and voltage compensated dead time delay


Temperature, process and supply compensated delay circuits, dc to dc converters and integrated circuits are presented in which switch driver dead time delays are provided using a plurality of cascaded cmos inverter circuits with a first inverter coupled through a diode-connected mos transistor to a regulated voltage or circuit ground and a mos capacitor is provided between the first inverter output and the regulated voltage or circuit ground to provide a controlled delay time. A second cascaded cmos inverter is powered by a compensated voltage which decreases with temperature to operate as a comparator, and certain embodiments include one or more intermediate cmos inverters to form a level shifting circuit between the second inverter and the final output inverter, with the level shift inverters powered by successively higher compensated voltages that decrease with increasing temperature..
Texas Instruments Incorporated


04/28/16
20160118947 

Self biased dual mode differential cmos tia for 400g fiber optic links


A transimpedance amplifier (tia) device. The device includes a photodiode coupled to a differential tia with a first and second tia, which is followed by a level shifting/differential amplifier (ls/da).
Inphi Corporation


04/28/16
20160118885 

Three-channel high-side gate driver having startup circuit and configurable outputs


A driver circuit includes three non-contiguous high-voltage wells formed within a low-voltage monolithic silicon substrate; a high-side driver circuit fabricated within each of the wells; a separate logic input path for each of the high-side driver circuits, each input path comprising a logic signal input terminal, a signal amplifier, a noise filter, a pulse generator, and a high-voltage level shifter; an output terminal for each driver circuit, each output terminal coupled to its associated driver circuit output through a separate mask-configurable, variable-value output resistor bank, which reduces the number of external components needed for driver circuitry; a startup circuit which prevents operation of an associated high-side switch during periods of line voltage instability; and embedded capacitor banks, each of which is in close proximity to a high-side switch, for reducing capacitive, resistive and inductance losses associated with long metal lines.. .
Tf Semiconductor Solutions Inc.


04/21/16
20160112047 

Level shifter


A level shifter includes a first and a second transistor coupled to a first power supply voltage terminal supplied with a second power supply voltage in parallel, a third and a fourth transistor coupled to a reference voltage terminal in parallel, a first and a second depression transistor, the first depression transistor being coupled between the first and the third transistor, and a timing control unit placed between a second power supply voltage terminal supplied with a second power supply voltage lower than the first power supply voltage and the reference voltage terminal, that generates the first control signal and the third control signal different from the first control signal corresponding to an inverted signal of an input signal, and generates the second control signal and the fourth control signal different from the second control signal corresponding to a non-inverted signal of the input signal.. .

04/21/16
20160112037 

Control circuit for use with a sensor, and measurement system including such a control circuit


A control circuit for use with a four terminal sensor, such as a glucose sensor. The glucose sensor is a volume product and typically its manufacture will want to make it as inexpensively as possible.

04/21/16
20160111534 

Dual gate fd-soi transistor


Circuit module designs that incorporate dual gate field effect transistors are implemented with fully depleted silicon-on-insulator (fd-soi) technology. Lowering the threshold voltages of the transistors can be accomplished through dynamic secondary gate control in which a back-biasing technique is used to operate the dual gate fd-soi transistors with enhanced switching performance.

04/14/16
20160105182 

Level shifting an i/o signal into multiple voltage domains


Embodiments disclosed herein include an i/o module with multiple level shifters that establish a plurality of voltage domains. Using the level shifters, the i/o module converts data signals in a core logic voltage domain to data signals in an external voltage domain.

04/14/16
20160105181 

Receiving an i/o signal in multiple voltage domains


Embodiments disclosed herein include an i/o module with multiple level shifters that establish a plurality of voltage domains. Using the level shifters, the i/o module converts data signals in a core logic voltage domain to data signals in an external voltage domain.

04/14/16
20160105180 

Receiving an i/o signal in multiple voltage domains


Embodiments disclosed herein include an i/o module with multiple level shifters that establish a plurality of voltage domains. Using the level shifters, the i/o module converts data signals in a core logic voltage domain to data signals in an external voltage domain.

04/14/16
20160105179 

Level shifting an i/o signal into multiple voltage domains


Embodiments disclosed herein include an i/o module with multiple level shifters that establish a plurality of voltage domains. Using the level shifters, the i/o module converts data signals in a core logic voltage domain to data signals in an external voltage domain.

04/14/16
20160105173 

High voltage zero qrr bootstrap supply


An electrical circuit arranged in a half bridge topology. The electrical circuit includes a high side transistor; a low side transistor; a gate driver and level shifter electrically coupled to a gate of the high side transistor; a gate driver electrically coupled to a gate of the low side transistor; a capacitor electrically coupled in parallel with the gate driver and level shifter; a voltage source electrically coupled to an input of the gate driver and level shifter and an input of the gate driver; and, a bootstrap transistor electrically coupled between the voltage source and the capacitor.

04/14/16
20160105163 

Low-voltage to high-voltage level shifter circuit


A low-voltage to high-voltage level shifter circuit includes an input circuit, a voltage shifting circuit, and an output circuit. The input circuit is configured to receive an input signal having a voltage range between a first voltage and a ground voltage, and to provide an inverted input signal and a delayed version of the inverted input signal.

04/07/16
20160100116 

Amplifier sharing technique for low power charge mode readout in cmos image sensors


Presented herein are novel shared amplifier charge mode readout architectures for image sensors, for example, configured to process a pair of signals comprising photointegration and reset signals from a pixel. The invention encompasses a novel 2-channel configuration wherein a single amplifier can serve the two channels in alternating phases.
Forza Silicon Corporation


04/07/16
20160099715 

Level shift circuit and semiconductor device


A level shift circuit includes: a latch circuit (q5, q6, q7, q8) including first (q5, q7) and second (q6, q8) inverter circuits; a first input mos transistor (q1) operating in accordance with an input signal; a second input mos transistor (q2) operating in accordance with an inversion signal of the input signal; and a current-voltage control mos transistor (q9). The latch circuit (q5, q6, q7, q8) outputs a voltage having been converted from the input voltage in level.
Renesas Electronics Corporation


04/07/16
20160099269 

Fully differential output swing for analog array based charge mode readout used in a cmos image sensor


Disclosed herein are novel charge mode readout circuits and associated methods of signal processing. The devices and methods of the invention allow for the improved processing of stored signals by a charge mode readout amplifier, wherein the readout level may be shifted to a desired range and wherein a fully differential output swing may be imparted.
Forza Silicon Corporation


03/31/16
20160094985 

Circuits and systems to exchange subscriber identity module (sim) information over a distance


A circuitry and a wireless communication system for carrying sim card data over a distance. The wireless communication system comprises a first network node and a second network node.
Pismo Labs Technology Limited


03/31/16
20160094208 

Dynamic level shifter circuit


A level shifter does not require any dc (standby) current consumption and has a fast operation with low propagation delay. The level shifting from input to output voltage ranges is performed by a pair of level shifting capacitors.
Dialog Semiconductor Gmbh


03/31/16
20160094207 

Voltage generator with charge pump and related methods and apparatus


Aspects of this disclosure relate to voltage generators, such as negative voltage generators. In an embodiment, an apparatus includes a voltage generator, a level shifter, and a semiconductor-on-insulator radio frequency (rf) switch configured to receive a signal from the level shifter.
Skyworks Solutions, Inc.


03/31/16
20160093346 

Voltage level shifted self-clocked write assistance


Systems and methods for generating voltage level shifted self-clocked write assistance include a circuit with self-clocked true and complement data input signals in a first voltage domain. First and second full voltage level shifters are configured to generate voltage level shifted self-clocked intermediate true and complement signals in a second voltage domain, based on the self-clocked true and complement data input signals in the first voltage domain.
Qualcomm Incorporated


03/24/16
20160087632 

Current amplifier and transmitter using the same


A current amplifier and a transmitter using the same. The current amplifier has a first and second transistor and a voltage level shifting unit.
Mediatek Inc.


03/24/16
20160087613 

Fast voltage level shifter circuit


A voltage level shifting circuit with an input terminal and an output terminal. The level shifting circuit has a field-effect transistor (fet) switch with a gate attached to the input terminal, a drain attached to the output terminal and a source attached to a current changing mechanism.
Solaredge Technologies Ltd.


03/17/16
20160079979 

Pulsed level shift and inverter circuits for gan devices


Gan-based half bridge power conversion circuits employ control, support and logic functions that are monolithically integrated on the same devices as the power transistors. In some embodiments a low side gan device communicates through one or more level shift circuits with a high side gan device.
Navitas Semiconductor Inc.


03/17/16
20160079978 

Level shift and inverter circuits for gan devices


Gan-based half bridge power conversion circuits employ control, support and logic functions that are monolithically integrated on the same devices as the power transistors. In some embodiments a low side gan device communicates through one or more level shift circuits with a high side gan device.
Navitas Semiconductor Inc.


03/17/16
20160079975 

Half bridge driver circuits


Gan-based half bridge power conversion circuits employ control, support and logic functions that are monolithically integrated on the same devices as the power transistors. In some embodiments, a low side gan device communicates through one or more level shift circuits with a high side gan device.
Navitas Semiconductor Inc.


03/17/16
20160079964 

Integrated level shifter


Gan-based half bridge power conversion circuits employ control, support and logic functions that are monolithically integrated on the same devices as the power transistors. In some embodiments a low side gan device communicates through one or more level shift circuits with a high side gan device.
Navitas Semiconductor, Inc.


03/17/16
20160079853 

Integrated bias supply, reference and bias current circuits for gan devices


Gan-based half bridge power conversion circuits employ control, support and logic functions that are monolithically integrated on the same devices as the power transistors. In some embodiments a low side gan device communicates through one or more level shift circuits with a high side gan device.
Navitas Semiconductor Inc.


03/17/16
20160079844 

Half bridge power conversion circuits using gan devices


Gan-based half bridge power conversion circuits employ control, support and logic functions that are monolithically integrated on the same devices as the power transistors. In some embodiments a low side gan device communicates through one or more level shift circuits with a high side gan device.
Navitas Semiconductor Inc.


03/17/16
20160079785 

Bootstrap capacitor charging circuit for gan devices


Gan-based half bridge power conversion circuits employ control, support and logic functions that are monolithically integrated on the same devices as the power transistors. In some embodiments a low side gan device communicates through one or more level shift circuits with a high side gan device.
Navitas Semiconductor Inc.


03/17/16
20160079746 

Protection monitoring circuit, battery pack, secondary battery monitoring circuit, and protection circuit


A protection monitoring circuit includes a protection circuit which detects overcharge, overdischarge, and overcurrent of a secondary battery, and a secondary battery monitoring circuit which monitors a state of the secondary battery and detects a residual quantity of the secondary battery. The protection circuit includes a first communication terminal that is connected to the secondary battery monitoring circuit, a second communication terminal that is connected to a mobile device, and a level shift circuit that is connected to the first and second communication terminals.
Mitsumi Electric Co., Ltd.


03/17/16
20160079231 

Semiconductor integrated circuit device


A semiconductor integrated circuit device comprises i/o cells arranged around a core region. Each of the i/o cells comprises a level shifter circuit, an i/o logic circuit, and an i/o buffer circuit.
Renesas Electronics Corporation




Level Shift topics: Level Shift, Level Shifter, Semiconductor, Level Shift Circuit, Transistors, Semiconductor Substrate, Voltage Level Shift, Level Shifter Circuit, Shifter Circuit, Modulation, Adverse Effect, Protection Circuit, Schmitt Trigger, Transimpedance Amplifier, Optical Fiber

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