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Donald E. Alfano
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Round Rock, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Soft-start for isolated power converter
Patent number
11,218,077
Issue date
Jan 4, 2022
Skyworks Solutions, Inc.
Riad S. Wahby
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Circuits and methods for providing an impedance adjustment
Patent number
9,793,873
Issue date
Oct 17, 2017
Silicon Laboratories Inc.
Xiqun Zhu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Soft-start for isolated power converter
Patent number
9,531,253
Issue date
Dec 27, 2016
Silicon Laboratories Inc.
Riad S. Wahby
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Circuits and methods for providing an impedance adjustment
Patent number
9,143,112
Issue date
Sep 22, 2015
Silicon Laboratories Inc.
Xiqun Zhu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Isolator circuit including a voltage regulator
Patent number
8,861,229
Issue date
Oct 14, 2014
Silicon Laboratories Inc.
Donald E. Alfano
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Isolator with complementary configurable memory
Patent number
8,441,325
Issue date
May 14, 2013
Silicon Laboratories Inc.
Phil A. Callahan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bidirectional multiplexed RF isolator
Patent number
8,049,573
Issue date
Nov 1, 2011
Silicon Laboratories Inc.
Donald E. Alfano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Micro controller unit (MCU) with RTC
Patent number
7,962,773
Issue date
Jun 14, 2011
Silicon Laboratories, Inc.
Kenneth W. Fernald
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital power supply controller with integrated microcontroller
Patent number
7,855,905
Issue date
Dec 21, 2010
Silicon Laboratories Inc.
Ka Y. Leung
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
MCU with integrated voltage isolator and integrated galvanically is...
Patent number
7,821,428
Issue date
Oct 26, 2010
Silicon Laboratories Inc.
Ka Y. Leung
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Current sensor
Patent number
7,821,251
Issue date
Oct 26, 2010
Silicon Laboratories Inc.
Donald E. Alfano
G01 - MEASURING TESTING
Information
Patent Grant
Multiplexed RF isolator
Patent number
7,738,568
Issue date
Jun 15, 2010
Silicon Laboratories Inc.
Donald E. Alfano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
MCU with integrated voltage isolator to provide a galvanic isolatio...
Patent number
7,737,871
Issue date
Jun 15, 2010
Silicon Laboratories Inc.
Ka Y. Leung
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for high current measurement
Patent number
7,728,578
Issue date
Jun 1, 2010
Silicon Laboratories Inc.
Brett E. Etter
G01 - MEASURING TESTING
Information
Patent Grant
Digital pulse width modulator with built-in protection functions fo...
Patent number
7,701,685
Issue date
Apr 20, 2010
Silicon Laboratories Inc.
Kafai Leung
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Reconfigurable interface for coupling functional input/output block...
Patent number
7,660,968
Issue date
Feb 9, 2010
Silicon Labs CP, Inc.
Donald E. Alfano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital PWM controller with programmable safe state in presence of...
Patent number
7,640,455
Issue date
Dec 29, 2009
Silicon Laboratories Inc.
Ka Y. Leung
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Comparators in IC with programmably controlled positive / negative...
Patent number
7,613,901
Issue date
Nov 3, 2009
Silicon Labs CP, Inc.
Donald E. Alfano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multiplexed RF isolator circuit
Patent number
7,577,223
Issue date
Aug 18, 2009
Silicon Laboratories Inc.
Donald E. Alfano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bus to MCU bridge
Patent number
7,558,902
Issue date
Jul 7, 2009
Silicon Laboratories Inc.
Donald E. Alfano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Distributed power supply system having reassignable master
Patent number
7,518,894
Issue date
Apr 14, 2009
Silicon Laboratories Inc.
Ross M. Fosler
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Integrated circuit package including programmable oscillators
Patent number
7,504,900
Issue date
Mar 17, 2009
Silicon Labs CP, Inc.
Donald E. Alfano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Distributed power supply system with separate SYNC control for cont...
Patent number
7,502,240
Issue date
Mar 10, 2009
Silicon Laboratories Inc.
Kafai Leung
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Analog-to-digital converter with low power track-and-hold mode
Patent number
7,498,962
Issue date
Mar 3, 2009
Silicon Labs CP, Inc.
Donald E. Alfano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital control circuit for switching power supply with serial data...
Patent number
7,492,139
Issue date
Feb 17, 2009
Silicon Labs CP, Inc.
Donald E. Alfano
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Digital controller based power factor correction circuit
Patent number
7,456,621
Issue date
Nov 25, 2008
Silicon Laboratories Inc.
Ka Y. Leung
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Plural load distributed power supply system with shared master for...
Patent number
7,446,430
Issue date
Nov 4, 2008
Silicon Laboratories Inc.
Kafai Leung
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Digital PWM controller
Patent number
7,428,159
Issue date
Sep 23, 2008
Silicon Laboratories Inc.
Ka Y Leung
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Digital power supply controller with integrated microcontroller
Patent number
7,426,645
Issue date
Sep 16, 2008
Silicon Laboratories Inc.
Ka Y. Leung
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Current sensor with reset circuit
Patent number
7,397,234
Issue date
Jul 8, 2008
Silicon Laboratories Inc.
Donald E. Alfano
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
SOFT-START FOR ISOLATED POWER CONVERTER
Publication number
20170077823
Publication date
Mar 16, 2017
Silicon Laboratories Inc.
Riad S. Wahby
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CIRCUITS AND METHODS FOR PROVIDING AN IMPEDANCE ADJUSTMENT
Publication number
20160105157
Publication date
Apr 14, 2016
Silicon Laboratories Inc.
Xiqun Zhu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SOFT-START FOR ISOLATED POWER CONVERTER
Publication number
20150214826
Publication date
Jul 30, 2015
Silicon Laboratories Inc.
Riad S. Wahby
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Circuits and Methods for Providing an Impedance Adjustment
Publication number
20130002368
Publication date
Jan 3, 2013
Xiqun Zhu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ISOLATOR WITH COMPLEMENTARY CONFIGURABLE MEMORY
Publication number
20100052826
Publication date
Mar 4, 2010
Silicon Laboratories Inc.
PHIL A. CALLAHAN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR HIGH CURRENT MEASUREMENT
Publication number
20090284248
Publication date
Nov 19, 2009
Brett E. Etter
G01 - MEASURING TESTING
Information
Patent Application
MCU WITH INTEGRATED VOLTAGE ISOLATOR TO PROVIDE A GALVANIC ISOLATIO...
Publication number
20090027243
Publication date
Jan 29, 2009
Silicon Laboratories Inc.
KA Y. LEUNG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DIGITAL POWER SUPPLY CONTROLLER WITH INTEGRATED MICROCONTROLLER
Publication number
20090013199
Publication date
Jan 8, 2009
Silicon Laboratories Inc.
KA Y. LEUNG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ISOLATOR CIRCUIT INCLUDING A VOLTAGE REGULATOR
Publication number
20080315925
Publication date
Dec 25, 2008
Donald E. Alfano
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MCU WITH INTEGRATED VOLTAGE ISOLATOR AND INTEGRATED GALVANICALLY IS...
Publication number
20080317106
Publication date
Dec 25, 2008
Silicon Laboratories Inc.
Ka Y. Leung
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
BIDIRECTIONAL MULTIPLEXED RF ISOLATOR
Publication number
20080267301
Publication date
Oct 30, 2008
Silicon Laboratories Inc.
DONALD E. ALFANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MICRO CONTROLLER UNIT (MCU) WITH RTC
Publication number
20080155289
Publication date
Jun 26, 2008
SILICON LABS CP, INC.
KENNETH W. FERNALD
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CURRENT SENSOR
Publication number
20080136399
Publication date
Jun 12, 2008
Donald E. Alfano
G01 - MEASURING TESTING
Information
Patent Application
BUS TO MCU BRIDGE
Publication number
20080082716
Publication date
Apr 3, 2008
Silicon Laboratories Inc.
DONALD E. ALFANO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MULTIPLEXED RF ISOLATOR
Publication number
20080031286
Publication date
Feb 7, 2008
Silicon Laboratories Inc.
DONALD E. ALFANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTIPLEXED RF ISOLATOR CIRCUIT
Publication number
20080025450
Publication date
Jan 31, 2008
Silicon Laboratories Inc.
DONALD E. ALFANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INTEGRATED CIRCUIT PACKAGE INCLUDING PROGRAMMABLE COMPARATORS
Publication number
20070296478
Publication date
Dec 27, 2007
SILICON LABS CP INC.
DONALD E. ALFANO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEM AND METHOD FOR PROGRAMMING INTEGRATED CIRCUIT PACKAGE VIA JT...
Publication number
20070300046
Publication date
Dec 27, 2007
SILICON LABS CP INC.
DONALD E. ALFANO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
RECONFIGURABLE PROCESSOR INTEGRATED CIRCUIT
Publication number
20070300047
Publication date
Dec 27, 2007
SILICON LABS CP, INC.
DONALD E. ALFANO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INTEGRATED CIRCUIT PACKAGE INCLUDING PROGRAMMABLE OSCILLATORS
Publication number
20070216548
Publication date
Sep 20, 2007
SILICON LABS CP INC.
DONALD E. ALFANO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CURRENT SENSOR WITH RESET CIRCUIT
Publication number
20070139835
Publication date
Jun 21, 2007
Donald E. Alfano
G01 - MEASURING TESTING
Information
Patent Application
ANALOG-TO-DIGITAL CONVERTER WITH LOW POWER TRACK-AND-HOLD MODE
Publication number
20070103357
Publication date
May 10, 2007
SILICON LABS CP, INC.
DONALD E. ALFANO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DISTRIBUTED POWER SUPPLY SYSTEM HAVING REASSIGNABLE MASTER
Publication number
20070040657
Publication date
Feb 22, 2007
Silicon Laboratories Inc.
ROSS M. FOSLER
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Digital Controller Based Power Factor Correction Circuit
Publication number
20070036212
Publication date
Feb 15, 2007
Silicon Laboratories Inc.
Ka Y. Leung
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Distributed power supply system with separate SYNC control for cont...
Publication number
20060279969
Publication date
Dec 14, 2006
Silicon Laboratories Inc.
Kafai Leung
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Distributed power supply system with shared master for controlling...
Publication number
20060244570
Publication date
Nov 2, 2006
Silicon Laboratories Inc.
Kafai Leung
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Digital PWM controller
Publication number
20060220938
Publication date
Oct 5, 2006
Ka Y. Leung
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Programmable pattern generator for digital power supply controller
Publication number
20060214711
Publication date
Sep 28, 2006
Preston Forest Fick
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DIGITAL CONTROL CIRCUIT FOR SWITCHING POWER SUPPLY WITH SERIAL DATA...
Publication number
20060215644
Publication date
Sep 28, 2006
SILICON LABS CP, INC.
Donald E. Alfano
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
FIELD PROGRAMMABLE MIXED-SIGNAL INTEGRATED CIRCUIT
Publication number
20060212679
Publication date
Sep 21, 2006
Donald E. Alfano
G06 - COMPUTING CALCULATING COUNTING