Entropic Communications
A fabless semiconductor company that developed connected-home, set-top-box, broadband-access, and coaxial networking technologies.
Last updated August 24, 2026
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Overview
Entropic Communications was a United States semiconductor company focused on the connected-home and broadband-access markets. Founded in 2001 and headquartered in San Diego, California, it developed integrated circuits and platform software for service-provider equipment, including digital television set-top boxes, home networking systems, broadband-access infrastructure, and direct-broadcast-satellite equipment. The company became especially associated with Multimedia over Coax Alliance (MoCA) technology. Its MoCA chipsets enabled high-speed networking over coaxial cable already installed in homes, allowing pay-television and broadband operators to connect set-top boxes, gateways, routers, and other devices without requiring new Ethernet cabling. Entropic promoted successive MoCA generations, including MoCA 1.0, 1.1, and 2.0, and its technology was adopted by major North American service providers such as Comcast, Cox Communications, DIRECTV, Time Warner Cable, and Verizon. The company also supplied related products to European operators, including UPC and Liberty Global. Its set-top-box system-on-chip portfolio served satellite, terrestrial, cable, and Internet-protocol television applications. These products combined functions such as television processing, connectivity, media processing, and modem or interface support into semiconductor platforms intended for consumer-premises equipment manufacturers and pay-television operators. Entropic described itself as a fabless semiconductor company, meaning that it designed chips and relied on external manufacturing partners rather than operating its own fabrication plants. Entropic broadened its portfolio through acquisitions and selected-asset purchases. The 2007 acquisition of RF Magic added direct-broadcast-satellite outdoor-unit technology. In 2012, purchases of selected assets from Trident Microsystems and PLX Technology expanded its set-top-box and satellite-channel-stacking capabilities. In 2013, Entropic acquired assets from Mobius Semiconductor related to analog and mixed-signal technologies, including converters, phase-locked loops, serializer/deserializer technology, and associated intellectual property. The business expanded internationally during the 2000s and 2010s. It opened an Asia regional headquarters in Hong Kong in 2005, began operations in South Korea in 2010, and established operations in Japan in 2011. Its c.LINK product family targeted Ethernet-over-Coax broadband access, particularly deployments in China and applications involving single-family homes and multiple-dwelling units. Entropic became a public company through an initial public offering completed on December 7, 2007, when its shares began trading on Nasdaq under the symbol ENTR. The company later faced leadership disruption after former chief executive Patrick Henry became involved in a criminal case arising from an incident at the Sundance Film Festival. In 2014 the board initiated a leadership transition, with Ted Tewksbury becoming interim president and chief executive officer after Henry's resignation from the role. In September 2014, Entropic retained Barclays to evaluate strategic alternatives, including a possible sale. MaxLinear agreed to acquire the company, and the transaction closed on February 3, 2015, for total consideration of approximately $287 million. Following the acquisition, Entropic ceased operating as an independent public company and its technologies and business activities were incorporated into MaxLinear's semiconductor portfolio.
History
Entropic Communications was established in 2001 in San Diego as a fabless semiconductor company serving the emerging connected-home market. Its business model centered on designing specialized integrated circuits and software for cable, satellite, terrestrial television, IPTV, and broadband equipment while using third-party manufacturers for chip production. A defining part of Entropic's history was its development of MoCA home-networking technology. Introduced commercially in 2004, MoCA used coaxial cable as a high-speed residential networking medium. This was strategically important to pay-television and broadband operators because coaxial wiring was already present in many homes, enabling multi-room video and connected-home services without extensive rewiring. Entropic subsequently supported multiple MoCA generations, including versions 1.0, 1.1, and 2.0. The company expanded its geographic presence as its operator and equipment-maker relationships grew. It opened an Asia regional headquarters in Hong Kong in 2005, began operations in South Korea in 2010, and added Japan operations in 2011. Its customer and deployment footprint included North American operators such as Comcast, Cox Communications, DIRECTV, Time Warner Cable, and Verizon, along with European activity through operators including UPC and Liberty Global. Entropic expanded beyond home networking into satellite signal distribution, broadband access, and set-top-box processing. The 2007 acquisition of RF Magic supplied direct-broadcast-satellite outdoor-unit technology. These capabilities included band-translation switches, channel-stacking switches, and digital channel-stacking switches designed to simplify the distribution of signals from multiple satellites over a single cable. Such technology was associated with operators including DIRECTV, DISH Network, Canal Digital, and Sky Italia. The company also developed c.LINK Ethernet-over-Coax products for broadband-access deployments. These systems addressed the final few hundred meters between network infrastructure and homes or multiple-dwelling units, with particular emphasis on China and the country's Next Generation Broadband initiative. Its set-top-box portfolio covered satellite, terrestrial, cable, and IPTV systems and included SoCs, DOCSIS modems, interface devices, and media processors. Entropic became publicly traded on Nasdaq after completing its IPO on December 7, 2007. During the following years it pursued portfolio expansion through asset acquisitions. In 2012 it acquired selected set-top-box-related assets from Trident Microsystems and selected satellite intellectual property and technologies from PLX Technology. In 2013 it acquired Mobius Semiconductor assets involving analog and mixed-signal components and related intellectual property. The company encountered executive and reputational difficulties in 2014. Former chief executive Patrick Henry faced charges connected to an altercation involving reality television personality Ariane Bellamar at the Sundance Film Festival. Two misdemeanor charges were dropped, while another charge was reduced and ultimately resulted in a conviction. Henry received a $400 fine, 40 hours of community service, and orders for alcohol and anger-management assessment. He was not immediately terminated, but the company later implemented a leadership transition. On November 10, 2014, the board identified the transition as appropriate, and Ted Tewksbury became interim president and chief executive officer. Henry resigned as CEO in November 2014. In September 2014, Entropic engaged Barclays to examine a possible sale or other strategic alternatives. MaxLinear subsequently agreed to acquire the company, completing the transaction on February 3, 2015, for total consideration of approximately $287 million. The acquisition ended Entropic's status as an independent listed company and brought its connected-home and broadband semiconductor capabilities into MaxLinear.
- 2015
Acquired by MaxLinear
[1]MaxLinear completed the acquisition of Entropic for approximately $287 million in total consideration.
- 2014
Leadership transition and strategic review
[1]The company appointed Ted Tewksbury interim CEO after Patrick Henry's resignation and engaged Barclays to explore strategic alternatives.
- 2013
Mobius Semiconductor asset acquisition
[1]Entropic acquired assets and intellectual property from Mobius Semiconductor covering analog and mixed-signal technologies.
- 2012
Trident and PLX asset acquisitions
[1]Selected assets from Trident Microsystems and PLX Technology expanded Entropic's set-top-box, satellite, and digital channel-stacking capabilities.
- 2011
Japan operations established
[1]Entropic began operating in Japan.
- 2010
South Korea operations established
[1]Entropic began operating in South Korea.
- 2007
RF Magic acquisition
[1]Entropic acquired RF Magic, adding direct-broadcast-satellite outdoor-unit technology and products.
- 2007
Initial public offering
[1]Entropic completed its IPO on December 7 and began trading on Nasdaq under the symbol ENTR.
- 2005
Asia regional headquarters opened
[1]The company opened an Asia regional headquarters in Hong Kong as part of its international expansion.
- 2004
MoCA home-networking technology introduced
[1]Entropic introduced a chipset based on Multimedia over Coax Alliance technology, allowing homes to use existing coaxial cabling for networking.
Products and positioning
Entropic positioned itself as a provider of semiconductor platforms that helped pay-television operators and broadband providers deliver connected-home services over existing coaxial infrastructure. Its differentiation centered on integrating television processing, home networking, satellite signal distribution, and broadband-access functions into chips and software suitable for large-scale service-provider deployments.
Home networking chipsets · 2004
MoCA Home Networking
Entropic's MoCA products enabled networking over coaxial cable in residential environments. The technology supported connected set-top boxes, gateways, routers, and multi-room entertainment services while using wiring already installed for cable or satellite television. The company announced and supplied MoCA 1.0, 1.1, and 2.0 solutions, with deployments among major North American and European service providers.
Digital television semiconductors
Set-top-box SoC Solutions
This portfolio supplied system-on-chip and related semiconductor platforms for satellite, terrestrial, cable, and IPTV set-top boxes. It included television-processing functions as well as associated media processors, interfaces, and modem capabilities. The products were intended for service providers and equipment manufacturers seeking integrated platforms for digital television receivers and connected-home devices.
Ethernet-over-Coax broadband access
c.LINK
The c.LINK family delivered Ethernet connectivity over coaxial infrastructure for the final few hundred meters between broadband networks and homes or multiple-dwelling units. It was particularly associated with deployments in China and with operator efforts connected to the Next Generation Broadband initiative. The approach was designed to reuse existing cabling while extending broadband access to subscribers.
Satellite signal distribution semiconductors · 2007
DBS ODU Solutions
Entropic's direct-broadcast-satellite outdoor-unit products were designed to simplify reception of multiple channels from multiple satellites through a single cable. The portfolio included band-translation switches, channel-stacking switches, and digital channel-stacking switch technology. These components supported satellite operator installation and distribution architectures.
Analog and mixed-signal semiconductors · 2013
Analog and Mixed-Signal Solutions
Through the 2013 Mobius Semiconductor asset transaction, Entropic added technology involving analog-to-digital converters, digital-to-analog converters, analog and digital phase-locked loops, serializer/deserializer functions, and related proprietary intellectual property.
Controversies
2014
Patrick Henry Sundance assault case
Former Entropic chief executive Patrick Henry was charged after an altercation at the Sundance Film Festival involving Ariane Bellamar. Two misdemeanor charges were dropped, while a remaining assault charge was reduced to an infraction and resulted in a conviction. Henry received a $400 fine, 40 hours of community service, and orders for alcohol and anger-management assessment. The matter was followed by a later leadership transition.
Brand decisions
2015
Acquisition by MaxLinearM&ABackground
Following the strategic review, Entropic pursued a transaction that would combine its connected-home semiconductor portfolio with MaxLinear's communications-chip business.
Action taken
MaxLinear completed the acquisition on February 3, 2015, for total consideration of approximately $287 million.
Aftermath
Entropic ceased to operate as an independent listed company and its technologies became part of MaxLinear.
Total acquisition consideration. $287 million (Transaction completed February 3, 2015)
2014
Strategic alternatives reviewStrategyBackground
Entropic faced leadership changes and evaluated options for the future of its semiconductor business.
Action taken
The company hired Barclays to explore strategic alternatives, including a potential sale.
Aftermath
The review led to an agreement for MaxLinear to acquire Entropic.
2012
Expansion through Trident and PLX technology assetsM&ABackground
Entropic sought to broaden its connected-home portfolio beyond MoCA networking into set-top-box processing and satellite distribution.
Action taken
The company acquired selected Trident Microsystems set-top-box assets and selected PLX Technology satellite intellectual property and related technologies.
Aftermath
The transactions expanded Entropic's digital television and digital channel-stacking capabilities.
2004
Launch of MoCA home-networking chipsetProduct launchBackground
Residential operators needed a way to distribute data and entertainment services across existing home wiring without installing new Ethernet cabling.
Action taken
Entropic introduced a chipset using coaxial cable as a home-networking medium and later supported additional MoCA generations.
Aftermath
MoCA became a central part of Entropic's connected-home positioning and was deployed by multiple major service providers.
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