Inventor
Donald E. Alfano
Inventor
Round Rock, TX, US
Overview
Patents· 39 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems19%
H03MCoding13%
G06FElectric digital data processing12%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%
H03KPulse technique9%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use6%
H04BTransmission5%
H04QSelecting5%
G01RMeasuring electric variables4%
H04LTransmission of digital information, e.g. telegraphic communication4%
PatentTitleYear
9,531,253'Soft-start for isolated power converter'20168,861,229'Isolator circuit including a voltage regulator'20148,441,325'Isolator with complementary configurable memory'20138,049,573'Bidirectional multiplexed RF isolator'20117,962,773'Micro controller unit (MCU) with RTC'20117,855,905'Digital power supply controller with integrated microcontroller'20107,821,251'Current sensor'20107,821,428'MCU with integrated voltage isolator and integrated galvanically isolated asynchronous serial data link'20107,738,568'Multiplexed RF isolator'20107,737,871'MCU with integrated voltage isolator to provide a galvanic isolation between input and output'20107,728,578'Method and apparatus for high current measurement'20107,701,685'Digital pulse width modulator with built-in protection functions for over current, over voltage and temperature'20107,660,968'Reconfigurable interface for coupling functional input/output blocks to limited number of I/O pins'20107,640,455'Digital PWM controller with programmable safe state in presence of fault'20097,613,901'Comparators in IC with programmably controlled positive / negative hysteresis level and open-drain / push-pull output coupled to crossbar switch or rising / falling edge interrupt generation'20097,577,223'Multiplexed RF isolator circuit'20097,558,902'Bus to MCU bridge'20097,518,894'Distributed power supply system having reassignable master'20097,504,900'Integrated circuit package including programmable oscillators'20097,502,240'Distributed power supply system with separate SYNC control for controlling remote digital DC/DC converters'20097,498,962'Analog-to-digital converter with low power track-and-hold mode'20097,492,139'Digital control circuit for switching power supply with serial data input'20097,456,621'Digital controller based power factor correction circuit'20087,446,430'Plural load distributed power supply system with shared master for controlling remote digital DC/DC converters'20087,428,159'Digital PWM controller'20087,426,645'Digital power supply controller with integrated microcontroller'20087,397,234'Current sensor with reset circuit'20087,343,504'Micro controller unit (MCU) with RTC'20087,171,542'Reconfigurable interface for coupling functional input/output blocks to limited number of i/o pins'20077,142,140'Auto scanning ADC for DPWM'20067,071,733'Cross-bar matrix for connecting digital resources to I/O pins of an integrated circuit'20067,042,201'Digital control circuit for switching power supply with pattern generator'20066,922,164'SAR analog-to-digital converter with abort function'20056,839,795'Priority cross-bar decoder'20056,738,858'Cross-bar matrix for connecting digital resources to I/O pins of an integrated circuit'20046,122,284'Multidrop analog signal bus'20006,054,823'Verification of fan operation'20006,040,668'Monolithic fan controller'20006,037,732'Intelligent power management for a variable speed fan'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000Patents assigned to TELCOM SEMICONDUCTOR INC (4)· patent assignee history
2000–2016Based in Round Rock, TX, US· patent location history
2004–2010Patents assigned to SILICON LABS CP INC (12)· patent assignee history
2006–2016Patents assigned to SILICON LAB INC (23)· patent assignee history
2013–2014Patents assigned to ALFANO DONALD E (2)· patent assignee history
2013–2014Patents assigned to DONG ZHIWEI (2)· patent assignee history
2013Based in Austin, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SILICON LAB INC | 23 | 2006–2016 |
| SILICON LABS CP INC | 12 | 2004–2010 |
| TELCOM SEMICONDUCTOR INC | 4 | 2000 |
| ALFANO DONALD Eself | 2 | 2013–2014 |
| DONG ZHIWEI | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Round Rock, Texas, US | 38 | 2000–2016 |
| Austin, Texas, US | 1 | 2013 |