Intersil Patent Applications

SOLDER FLOW-IMPEDING PLUG ON A LEAD FRAME

Granted: April 10, 2014
Application Number: 20140097529
Embodiments described herein relate to a method of manufacturing a packaged circuit having a solder flow-impeding plug on a lead frame. The method includes partially etching an internal surface of a lead frame at dividing lines between future sections of the lead frame as first partial etch forming a trench. A non-conductive material that is adhesive to the lead frame is applied in the trench, such that the non-conductive material extends across the trench to form the solder…

LOW POWER ANALOG SWITCH CIRCUITS THAT PROVIDE OVER-VOLTAGE, UNDER-VOLTAGE AND POWER-OFF PROTECTION, AND RELATED METHODS AND SYSTEMS

Granted: March 27, 2014
Application Number: 20140085761
Analog switch circuits, methods for use with analog switch circuits, and devices and systems including analog switch circuits are disclosed herein. Such analog switch circuits include an analog switch input terminal (In), an analog switch output terminal (Out), and an analog switch control terminal (Ctl). During a normal-voltage condition, the input terminal (In) of the analog switch circuit is selectively connected and disconnected to/from the output terminal (Out) in dependence on a…

BATTERY CHARGE SYSTEM AND METHOD CAPABLE OF OPERATING IN DIFFERENT CONFIGURATIONS

Granted: January 30, 2014
Application Number: 20140032953
A controller configurable to operate in either in an NVDC mode or a standard mode. The controller includes mode logic that detects a mode value indicative of the selected mode and that asserts a corresponding mode signal, and control logic that is configured to operate according to the selected battery charging mode based on the mode signal and that provides a control signal accordingly. In the standard mode, the control signal is in either an on or off state depending upon presence of…

SWITCHABLE SOLAR CELL DEVICES

Granted: January 9, 2014
Application Number: 20140007927
Exemplary embodiments provide a solar cell device, and method for forming the solar cell device by integrating a switch component into a solar cell element. The solar cell element can include a solar cell, a solar cell array and/or a solar cell panel. The integrated solar cell element can be used for a solar sensor, while the solar sensor can also use discrete switches for each solar cell area of the sensor. Exemplary embodiments also provide a connection system for the solar cell…

REDUCED-NOISE REFERENCE VOLTAGE PLATFORM FOR A VOLTAGE CONVERTER DEVICE

Granted: January 2, 2014
Application Number: 20140003179
An electronic system, a reduced-noise reference voltage platform for a voltage converter device, and a method of manufacture of a reduced-noise reference voltage platform for a voltage converter device are disclosed. For example, the reduced-noise reference voltage (e.g., ground) platform includes a first conductor unit, a second conductor unit, and an insulator unit interposed between a first surface of the first conductor unit and a first surface of the second conductor unit. The…

ACTIVE RECTIFICATION WITH CURRENT-SENSE CONTROL

Granted: January 2, 2014
Application Number: 20140003104
An embodiment is an apparatus that includes an energy-storage circuit and a rectifying circuit. The energy-storage circuit is configured to generate a current that flows in a direction, and the rectifying circuit is configured to substantially block the current from flowing in a reverse direction in response to the current. Such an apparatus may be configured to block a reverse current before it begins to flow. For example, such an apparatus may include a transistor disposed in the path…

FAST DYNAMIC VOLTAGE RESPONSE FOR VOLTAGE REGULATORS WITH DROOP CONTROL

Granted: January 2, 2014
Application Number: 20140002047
A dynamic voltage response network for a switching regulator with droop control providing a droop control signal includes a voltage identification setting network, a pass and hold system, and a reset network. The voltage identification setting network initiates a hold condition and adjusts an output voltage reference in response to a change in a voltage identification input. The pass and hold system passes the droop control signal during a pass condition and holds the droop control…

SOLDER FLOW IMPEDING FEATURE ON A LEAD FRAME

Granted: January 2, 2014
Application Number: 20140001618
One embodiment is directed towards a method of manufacturing a packaged circuit. The method includes partially etching an internal surface of a lead frame at dividing lines between future sections of the lead frame as first partial etch. One or more dies are attached to the internal surface of the lead frame and encapsulated. The method also includes partially etching an external surface of the lead frame at the dividing lines to disconnect different sections of lead frame as a second…

OPTICAL SENSORS DEVICES INCLUDING A HYBRID OF WAFER-LEVEL INORGANIC DIELECTRIC AND ORGANIC COLOR FILTERS

Granted: January 2, 2014
Application Number: 20140001588
Monolithic optical sensor devices, and methods for fabricating such devices, are described herein. In an embodiment, a semiconductor wafer substrate includes a plurality of photodetector (PD) regions. A wafer-level inorganic dielectric optical filter is deposited and thereby formed over at least a subset of the plurality of PD regions. One or more wafer-level organic color filter(s) is/are deposited and thereby formed on one or more selected portion(s) of the wafer-level inorganic…

WAFER LEVEL OPTOELECTRONIC DEVICE PACKAGES AND METHODS FOR MAKING THE SAME

Granted: December 19, 2013
Application Number: 20130334445
Optoelectronic devices (e.g., optical proximity sensors), methods for fabricating optoelectronic devices, and systems including optoelectronic devices, are described herein. An optoelectronic device includes a light detector die that includes a light detector sensor area. A light source die is attached to a portion of the light detector die that does not include the light detector sensor area. An opaque barrier is formed between the light detector sensor area and the light source die,…

MOTION AND SIMPLE GESTURE DETECTION USING MULTIPLE PHOTODETECTOR SEGMENTS

Granted: December 19, 2013
Application Number: 20130334398
An optoelectronics apparatus selectively drives a light source, and includes four electrically isolated photodetector (PD) segments that detect light that has reflected off an object. Each of the four PD segments produces a corresponding signal, referred to as signals A, B, C and D, indicative of the light detected by the respective PD segment. Circuitry is used to produce a first motion signal indicative of a sum of the signals A plus B minus a sum of the signals C plus D, i.e., the…

CIRCUIT MODULE SUCH AS A HIGH-DENSITY LEAD FRAME ARRAY (HDA) POWER MODULE, AND METHOD OF MAKING SAME

Granted: November 28, 2013
Application Number: 20130314879
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 pads coupled to corresponding electronic components. The interior portion includes a plurality of floating contact…

PACKAGED CIRCUIT WITH A LEAD FRAME AND LAMINATE SUBSTRATE

Granted: November 28, 2013
Application Number: 20130313694
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…

SYSTEM AND METHOD OF DYNAMIC DROOP FOR SWITCHED MODE REGULATORS

Granted: November 14, 2013
Application Number: 20130300392
A regulator system with dynamic droop including a regulator control network which is adapted to control regulation of an output voltage to a reference level, a DC droop network which provides a droop signal to modify the reference level based on output load according to a predetermined DC load line, and a dynamic droop network which adjusts the droop signal to delay recovery to the predetermined DC load line within an AC load line tolerance in response to a load transient. A transient…

SYSTEM AND METHOD OF PREDICTIVE CURRENT FEEDBACK FOR SWITCHED MODE REGULATORS

Granted: November 14, 2013
Application Number: 20130300388
A predictive current feedback system for a switched mode regulator including a sample and hold network for sampling voltage across a lower switch of the regulator and for providing a hold signal indicative thereof, and a predictive current feedback network which adds an offset adjustment to the hold signal based on a duration of a pulse width of a pulse control signal developed by the regulator. Sampling may be done while the lower switch is on for providing a hold value indicative of…

SYSTEM AND METHOD OF BALANCED SLOPE COMPENSATION FOR SWITCH MODE REGULATORS

Granted: November 7, 2013
Application Number: 20130293212
A modulator with balanced slope compensation including a control network, a slope compensation network, an offset network and an adjust network. The control network receives a feedback signal indicative of an output voltage and provides a loop control signal. The slope compensation network develops a slope compensation signal. The offset network determines a DC offset of the slope compensation signal. The adjust network combines the DC offset, the slope compensation signal and the loop…

CIRCUITS AND METHODS TO GUARANTEE LOCK IN DELAY LOCKED LOOPS AND AVOID HARMONIC LOCKING

Granted: October 17, 2013
Application Number: 20130271193
A delay locked loop (DLL) includes a phase detector (PD), a lock assistor (LA), a control voltage generator, and a voltage controlled delay line (VCDL). The PD determines a phase difference between of a reference clock and a delayed version of the reference clock and produces a pair of phase detector output signals in dependence on the determined phase difference. The LA receives the pair of phase detector output signals and produces a pair of lock assist output signals by selectively…

SYSTEM AND METHODS FOR WIRE BONDING

Granted: October 17, 2013
Application Number: 20130270701
A semiconductor package comprises a bond pad formed on a first semiconductor die, a surface of the bond pad exposed through an opening in a passivation layer on the first semiconductor die; a raised conductive area formed on top of a passivation layer on a second semiconductor die; and a bond wire having a first end coupled to the bond pad via a ball bond and a second end coupled directly to a surface of the raised conductive area via a stitch bond. The raised conductive area is…

ENHANCED LIFT-OFF TECHNIQUES FOR USE WITH DIELECTRIC OPTICAL COATINGS AND LIGHT SENSORS PRODUCED THEREFROM

Granted: September 26, 2013
Application Number: 20130249032
Light sensors including dielectric optical coatings to shape their spectral responses, and methods for fabricating such light sensors in a manner that accelerates lift-off processes and increases process margins, are described herein. In certain embodiments, a short duration soft bake is performed. Alternatively, or additionally, temperature cycling is performed. Alternatively, or additionally, photolithography is performed using a photomask that includes one or more dummy corners, dummy…

ENHANCED LIFT-OFF TECHNIQUES FOR USE WHEN FABRICATING LIGHT SENSORS INCLUDING DIELECTRIC OPTICAL COATING FILTERS

Granted: September 26, 2013
Application Number: 20130252369
Light sensors including dielectric optical coatings to shape their spectral responses, and methods for fabricating such light sensors in a manner that accelerates lift-off processes and increases process margins, are described herein. In certain embodiments, a short duration soft bake is performed. Alternatively, or additionally, temperature cycling is performed. Alternatively, or additionally, photolithography is performed using a photomask that includes one or more dummy corners, dummy…