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Intersil Americas Inc patents


Recent patent applications related to Intersil Americas Inc. Intersil Americas Inc is listed as an Agent/Assignee. Note: Intersil Americas Inc may have other listings under different names/spellings. We're not affiliated with Intersil Americas Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "I" | Intersil Americas Inc-related inventors


Systems and methods for mitigation of resistor nonlinearity errors in single or multiphase switching voltage regulators employing inductor dcr current sensing

Systems and methods for mitigation of resistor nonlinearity errors in a power converter are provided. In at least one embodiment, the power converter comprises at least one power switch coupled to an input voltage, a pulse width modulation (pwm) circuit for generating control pulses for the at least one power switch, at least one output inductor coupled to a respective one of the at least one power switches, a current sensor coupled in parallel with the at least one output inductor, and at least one circuit element. ... Intersil Americas Inc

Enhanced power mode transistions in buck-boost converters

An electronic system, dc-dc voltage converter, method of operating a buck-boost dc-dc converter, and method for power mode transitioning in a dc-dc voltage converter are disclosed. For example, one method includes receiving a compensated error signal associated with an output voltage of the dc-dc voltage converter, determining a power mode of operation of the dc-dc voltage converter, and if the power mode of operation is a first mode, outputting a first control signal to regulate the output voltage of the dc-dc voltage converter. ... Intersil Americas Inc

Method and system for increasing efficiency and controlling slew rate in dc-dc converters

One embodiment pertains to a method including transitioning a logic state of at least one enable signal. A first power transistor begins to turn off. ... Intersil Americas Inc

Switching power supply for low step down conversion ratio with reduced switching losses

Disclosed herein is a power converter with low step down conversion ratio with improved power conversion efficiency. The power converter includes a first inductor to receive the input voltage, and a second inductor to supply the output voltage to a load. ... Intersil Americas Inc

Power monitoring for output voltage support

The present embodiments relate generally to methods and apparatuses for providing supplemental output voltage support in a battery charger. According to certain aspects, to provide supplemental power in a system with a weak battery and high current load, embodiments provide a trigger value to alert the system and a pre-trigger to allow saving current. ... Intersil Americas Inc

Hybrid power buck-boost charger

The present embodiments relate generally to managing power in a system including a battery, and more particularly to a flexible or hybrid battery charging topology for a system including a battery. In addition to being capable of operating in a conventional narrow voltage dc (nvdc) buck-boost charger mode, it is also capable of operating in a new “turbo power buck-boost” mode, where the input voltage is directly fed to the system load, bypassing the inductor. ... Intersil Americas Inc

Voltage converters and methods to use therewith

A voltage error signal is provided to a pwm controller of a voltage regular and used to produce a pwm signal that drives a power stage of the regulator. When operating in an adapter current limit regulation mode, an adapter current sense voltage, indicative of an adapter current, is compared to an adapter current reference voltage to produce an adapter current error signal. ... Intersil Americas Inc

Method and structure for reducing switching power losses

One embodiment is directed towards a method. The method includes forming a drift region of a first conductivity type above or in a substrate. ... Intersil Americas Inc

Method and system for dc-dc voltage converters

An embodiment pertains to a method including determining if an amplitude of an error signal has entered steady state. If the amplitude of the error signal has not entered steady state, then amplify with a high gain the amplitude of the ac component of the error signal. ... Intersil Americas Inc

Optical proximity sensors with reconfigurable photo diode array

Optical proximity sensors, methods for use therewith, and systems including optical proximity sensor are described herein. Such an optical proximity sensor includes a light source and a light detector, wherein the light detector includes a plurality of individually selectable photodiodes (pds). ... Intersil Americas Inc

Coupled-inductor power-supply controller for operating a power supply in a reduced-power-dissipation mode

An embodiment of a power-supply controller includes first and second circuits. The first circuit is operable to cause a first current to flow through a first phase of a power supply. ... Intersil Americas Inc

Power supply with enhanced phase current sharing

A system, power supplies, controller and method for enhanced phase current sharing are disclosed. For example, a power supply for enhanced phase current sharing is disclosed, which includes a plurality of power modules, a communication bus coupled to an input of each power module of the plurality power modules, and an output voltage node coupled to a first side of an inductor of each power module of the plurality of power modules, wherein each power module of the plurality of power modules includes a digital controller coupled to the input of the power module, and an rc circuit enabled to generate a feedback signal, coupled to a second side of the inductor and the output voltage node. ... Intersil Americas Inc

Method and circuitry to soft start high power charge pumps

A method to soft start a charge pump circuit according to embodiments includes enabling switching for a plurality of power transistors, selecting a first switching control signal from a plurality of switching control signals for the selected plurality of power transistors, slowly ramping up a plurality of bootstrap supply voltages associated with the selected plurality of power transistors, driving a gate-to-source voltage of each power transistor of the selected plurality of power transistors at a first predefined level, and determining if the plurality of bootstrap supply voltages are less than a second predefined level. If the plurality of bootstrap supply voltages are less than the second predefined level, the method further includes toggling and thereby selecting a second switching control signal from the plurality of switching control signals for a second selected plurality of power transistors.. ... Intersil Americas Inc

Systems and methods for lead frame locking design features

Systems and methods for lead frame locking design features are provided. In one embodiment, a method comprises: fabricating a lead frame for a chip package, the lead frame having a paddle comprising a step-out bottom locking feature profile across at least a first segment of an edge of the paddle that provides an interface with a mold compound; etching the paddle to have at least a second segment of the edge having either an extended-step-out bottom locking feature profile or an overhanging top locking feature profile; and alternating first and second segments along the edge of the paddle.. ... Intersil Americas Inc

11/09/17 / #20170325333

Circuit module such as a high-density lead frame array power module, and method of making same

A circuit module includes a plurality of electronic components and a single-layer conductive package substrate. The single-layer conductive package substrate is adapted to physically support and electrically interconnect the electronic components. ... Intersil Americas Inc

10/26/17 / #20170310104

Enhanced electrostatic discharge (esd) clamp

An enhanced esd clamp is provided with a resistor connected between the body terminal and the source terminal of a mosfet device. In one exemplary embodiment, the mosfet device is a grounded-gate nmos (ggnmos) transistor device with the resistor (“body resistor”) connected externally to the mosfet device. ... Intersil Americas Inc

10/26/17 / #20170309614

Enhanced layout of multiple-finger electrostatic discharge (esd) protection device

An enhanced layout for a multiple-finger esd protection device has several embodiments. In these embodiments, the base contacts of the npn (or pnp) transistors utilized as voltage clamps in the multiple-finger npn-based (or pnp-based) multiple-finger esd protection device are disposed at opposite edges of the multiple-finger esd protection device and oriented perpendicularly to the orientation of the fingers in the multiple-finger esd protection device. ... Intersil Americas Inc

10/05/17 / #20170288540

Digital voltage compensation for power supply integrated circuits

Systems and methods for digital voltage compensation in a power supply integrated circuit are provided. In at least one embodiment, a method comprises receiving a digital voltage code, the digital voltage code corresponding to an output voltage value; setting an output count on a first counter to change from a present first digital count corresponding to a present voltage code value toward a target first digital count corresponding to a new voltage code value; and setting a second count to an offset count value on a second counter when the new voltage code value is received. ... Intersil Americas Inc

09/28/17 / #20170279284

Multiple chargers configuration in one system

An electronic system, a multiple charger configuration, and method of operating a multiple input, multiple charger configuration are disclosed. For example, a multiple charger configuration is disclosed, which includes a first battery charger circuit configured to receive to a first input voltage, and a second battery charger circuit configured to receive a second input voltage. ... Intersil Americas Inc

09/21/17 / #20170269211

Systems and methods for optical proximity detection with multiple field of views

An optical proximity detector includes a plurality photodetectors (pds) and a winner-take-all (wta) circuit. Each of the pds has a respective field of view (fov) and produces a respective analog current detection signal indicative of light incident on and detected by the pd. ... Intersil Americas Inc

09/14/17 / #20170264793

Method and system for smooth video transition between video sources

A method includes determining whether to switch from a first input video signal to a second input video signal. Upon switching from a first input video signal to a second input video signal, determining whether the current displayed frame has terminated. ... Intersil Americas Inc

08/17/17 / #20170237347

System and method for maintaining a constant output voltage ripple in a buck converter in discontinuous conduction mode

The system and method creates a substantially constant output voltage ripple in a buck converter in discontinuous conduction mode by varying the on-time of a pulse width modulator (pwm) signal driving the buck converter when the buck converter is operating in discontinuous conduction mode. A first signal is generated that is a function of the switching frequency of the buck converter. ... Intersil Americas Inc

07/20/17 / #20170207704

Hysteretic current mode buck-boost control architecture

A hysteretic current mode buck-boost voltage regulator including a buck-boost voltage converter, a switching controller, a window circuit, a ramp circuit, and a timing circuit. The timing circuit may be additional ramp circuits. ... Intersil Americas Inc

07/20/17 / #20170207703

Current mode 3-state buck-boost pwm control architecture

A voltage regulator including a converter and a modulator. The converter includes a switching circuit coupled to an inductor for converting an input voltage to an output voltage. ... Intersil Americas Inc

06/22/17 / #20170179048

Stacked inductor-electronic package assembly and technique for manufacturing same

An embodiment of a circuit includes a circuit module and an inductor disposed over and electrically coupled to the module. Disposing the inductor over the module may reduce the area occupied by the circuit as compared to a circuit where the inductor is disposed adjacent to the module, or to a circuit where the inductor is disposed in the module adjacent to other components of the module. ... Intersil Americas Inc

06/15/17 / #20170168515

Method and system for dc-dc voltage converters

On embodiment pertains to a method including determining if an amplitude of an error signal has entered steady state. If the amplitude of the error signal has not entered steady state, then amplify with a high gain the amplitude of the ac component of the error signal. ... Intersil Americas Inc

06/08/17 / #20170163155

Method and system for dc-dc voltage converters

On embodiment pertains to an apparatus including a control loop configured to receive an output voltage sense signal. The control loop includes a compensator; a pwm signal generator coupled to an output of the compensator; a reference circuit configured to receive a tracking signal, and which is configured to low bandwidth low pass filter the tracking signal when the tracking signal amplitude becomes substantially constant and representative of an output voltage that is substantially non-zero; and an error amplifier having a first input coupled to an output of the reference circuit, a second input configured to receive the output voltage sense signal, and an output coupled to the compensator.. ... Intersil Americas Inc

06/08/17 / #20170162488

Packaged circuit with a lead frame and laminate substrate

Embodiments of the subject application provide for a circuit comprising: a lead frame having a first plurality of exposed terminals, the lead frame defining a plane; a laminate substrate in the plane defined by the lead frame, adjacent to the lead frame, and electrically coupled to the lead frame, the laminate substrate having a first surface including a second plurality of exposed terminals and a second surface opposite the first surface; a first one or more dies mounted on the lead frame and electrically coupled to the lead frame; and a second one or more dies mounted on the second surface of the laminate substrate and electrically coupled to the laminate substrate.. . ... Intersil Americas Inc

05/18/17 / #20170141684

Method and system for dc-dc voltage converters

On embodiment pertains to an apparatus including a current share control circuit configured to receive a first sample inductor current sense signal representative of a current in a first power stage, configured to receive from a data bus a second sample inductor current sense signal from a fixed reference phase, and which generates a trim signal. A first control loop having an output configured to be coupled to an input of the first power stage, and configured to receive a signal representative of an output voltage and the trim signal.. ... Intersil Americas Inc

05/11/17 / #20170133933

Audio frequency deadband system and method for switch mode regulators operating in discontinuous conduction mode

A controller for controlling operation of a switching regulator including a modulator, a discontinuous conduction mode (dcm) controller, an audible dcm (adcm) controller, and a sub-sonic discontinuous conduction mode (sbdcm) controller. The modulator generally operates in a continuous conduction mode. ... Intersil Americas Inc

04/20/17 / #20170110963

Enhanced fault reporting in voltage regulators

An electronic system, voltage regulator, controller and fault reporting method and circuit for a voltage regulator or other type of dc-dc converter are disclosed. For example, a fault reporting circuit is disclosed. ... Intersil Americas Inc

03/30/17 / #20170093283

Method and system for increasing efficiency and controlling slew rate in dc-dc converters

One embodiment pertains to a method including transitioning a logic state of at least one enable signal. A first power transistor begins to turn off. ... Intersil Americas Inc

03/23/17 / #20170085168

Method and system for reducing transients in dc-dc converters

One embodiment pertains to a method including determining the duty cycle of a pwm signal, operating in valley current control mode when the duty cycle is greater than fifty percent, operating in peak current control mode when the duty cycle is less than fifty percent, and including, commencing a pwm pulse upon the occurrence of a pulse of a first clock signal pulse, and terminating the pwm pulse upon a level of a signal exceeding a positive window threshold.. . ... Intersil Americas Inc

03/16/17 / #20170077817

Enhanced power mode transitions in buck-boost converters

An electronic system, dc-dc voltage converter, method of operating a buck-boost dc-dc converter, and method for power mode transitioning in a dc-dc voltage converter are disclosed. For example, one method includes receiving a compensated error signal associated with an output voltage of the dc-dc voltage converter, determining a power mode of operation of the dc-dc voltage converter, and if the power mode of operation is a first mode, outputting a first control signal to regulate the output voltage of the dc-dc voltage converter. ... Intersil Americas Inc

03/16/17 / #20170077816

Reducing a drop in a residual supply-signal level on start up or restart of a power supply

In an embodiment, a method includes generating a pulse-width-modulated signal having a duty cycle, and isolating a power-supply output node in response to the duty cycle corresponding to a signal magnitude that is less than a magnitude of an output signal on the power-supply output node. For example, where a power supply has a non-zero residual output signal (e.g., output voltage) on its output node after the power supply is deactivated, a power-supply controller can use such a technique to reduce or eliminate a drop in the residual output signal caused by, or that would be caused by, a restarting of the power supply.. ... Intersil Americas Inc

03/16/17 / #20170077809

Reducing a drop in a residual supply signal level on start up or restart of a power supply

In an embodiment, a power-supply controller includes a control circuit, a drive circuit, and a signal-drop-reducing circuit. The control circuit is configured to generate a drive signal having a duty cycle, and the drive circuit is configured to cause a phase circuit of a power supply to generate, in response to the drive signal, an output signal having a magnitude. ... Intersil Americas Inc

03/16/17 / #20170077807

Apparatuses and methods for encapsulated devices

One embodiment is directed towards an encapsulated device. The encapsulated device includes a device, and a first encapsulation covering the device. ... Intersil Americas Inc

03/09/17 / #20170069719

Body contact layouts for semiconductor structures

Body contact layouts for semiconductor structures are disclosed. In at least one exemplary embodiment, a semiconductor structure comprises: a plurality of gates disposed on a semiconductor layer, each gate extending parallel to a y-axis in a coordinate space; a source region disposed between two of the plurality of gates; a plurality of body contacts disposed in each source region; and wherein a portion of each source region, adjacent to the gate, has a width extending parallel to the y-axis that is greater than the width of the source region parallel to the y-axis at a distance on an x-axis from the gate.. ... Intersil Americas Inc

03/02/17 / #20170062607

Method and structure for reducing switching power losses

One embodiment is directed towards a method. The method includes forming a drift region of a first conductivity type above or in a substrate. ... Intersil Americas Inc

02/23/17 / #20170053904

Back-to-back stacked dies

Embodiments disclosed herein provide for a circuit including first die having an active side and a backside, wherein the first die is flip-chip mounted to a carrier. The circuit also includes a second die stacked on the backside of the first die, wherein the second die is stacked on the first die such that a backside of the second die is facing the backside of the first die and an active side of the second die faces away from the first die.. ... Intersil Americas Inc

02/16/17 / #20170047843

Enhanced switched capacitor filter (scf) compensation in dc-dc converters

A system, dc-dc converter, and compensation method and circuit for a dc-dc converter are disclosed. For example, a compensation circuit for a dc-dc converter is disclosed. ... Intersil Americas Inc

02/02/17 / #20170034888

Optical sensors that compensate for ambient light and interference light

Certain embodiments described herein relate to optical sensors including a light detector and including and/or for use with a light source, and methods for use with such optical sensors. Certain embodiments involve detecting an amount of ambient light that is incident on the light detector and producing ambient light detection data indicative thereof. ... Intersil Americas Inc

01/19/17 / #20170020028

Systems and methods for substrates

One embodiment is directed towards a molded insulator substrate. The molded insulator substrate includes a first insulator having a first surface and a second surface. ... Intersil Americas Inc

01/12/17 / #20170012528

Dc-to-dc converter input node short protection

Embodiments described herein relate to a circuit including a dc-to-dc converter and a switching device to selectively isolate an input voltage from an input node of the dc-to-dc converter. The circuit also includes a controller coupled to the input node and to the switching device. ... Intersil Americas Inc








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