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Intersil Americas Llc patents


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

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


 new patent  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... Intersil Americas Llc

 new patent  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. The first inductor and the second inductor are electromagnetically... Intersil Americas Llc

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... Intersil Americas Llc

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... Intersil Americas Llc

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. The substrate has first and second surfaces. A first insulator is formed over a first portion of the channel, and which has a first thickness. A... Intersil Americas Llc

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. If the amplitude... Intersil Americas Llc

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). During a calibration mode, individual PDs of the plurality... Intersil Americas Llc

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. And the second circuit is operable to cause the second phase of the power supply to operate in a... Intersil Americas Llc

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... Intersil Americas Llc

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... Intersil Americas Llc

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... Intersil Americas Llc

Circuit module such as a high-density lead frame array power module, and 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. The substrate has a peripheral portion and an interior portion. The peripheral portion includes a plurality of peripheral contact... Intersil Americas Llc

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... Intersil Americas Llc

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. In another embodiment,... Intersil Americas Llc

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... Intersil Americas Llc

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... Intersil Americas Llc

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. In an embodiment, the WTA circuit includes... Intersil Americas Llc

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. If the current displayed frame has terminated, process the... Intersil Americas Llc

System and 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... Intersil Americas Llc

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. The modulator controls the switching circuit in a buck mode of operation, a boost mode of operation, and an intermediate buck-boost mode... Intersil Americas Llc

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. The voltage converter is toggled between first and second switching states during a boost mode, is toggled... Intersil Americas Llc

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... Intersil Americas Llc

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. If the amplitude... Intersil Americas Llc

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... Intersil Americas Llc

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... Intersil Americas Llc

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,... Intersil Americas Llc

Audio frequency deadband 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. The DCM controller modifies operation to DCM during low loads.... Intersil Americas Llc

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. The fault reporting circuit includes a first transistor device configured to generate a first signal indicating an occurrence... Intersil Americas Llc

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. A parameter level of the input of the first power transistor is directly sensed. A second power transistor is turned off when the parameter level... Intersil Americas Llc

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... Intersil Americas Llc

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. The first encapsulation has one or more exterior surfaces. One or more recesses in one or more of the exterior surfaces is configured to receive a second encapsulation.... Intersil Americas Llc

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... Intersil Americas Llc

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... Intersil Americas Llc

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... Intersil Americas Llc

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... Intersil Americas Llc

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. The substrate has first and second surfaces. A first insulator is formed over a first portion of the channel, and which has a first thickness. A... Intersil Americas Llc

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... Intersil Americas Llc

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. The compensation circuit includes an integrator circuit configured to receive and integrate a first voltage signal, a differential difference amplifier circuit coupled to the... Intersil Americas Llc

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... Intersil Americas Llc

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. A recess in said first surface of the first insulator is configured to facilitate venting of a second insulator over exposed regions of the first... Intersil Americas Llc

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. The controller is configured to... Intersil Americas Llc








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