Dialog Semiconductor

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Dialog Semiconductor PLC
Public limited company (FWBDLG)
IndustryElectrical engineering
HeadquartersReading, United Kingdom (operational), London, United Kingdom (registered office)
Key people
Richard Beyer (Chairman), Jalal Bagherli (CEO)
ProductsSemiconductors, integrated circuits
RevenueIncrease US$ 1,156.1 million (2014)[1]
Increase US$ 185.9 million (2014)[1]
Increase US$ 138.1 million (2014)[1]
Total assetsIncrease US$ 1,005.9 million (2014)[1]
Total equityIncrease US$ 623.6 million (2014)[1]
Number of employees
1500 (July 2015)[2]

Dialog Semiconductor PLC is a UK-based manufacturer of semiconductor based system solutions. The company is headquartered in the United Kingdom in Reading, with a global sales, R&D and marketing organization. Dialog creates highly integrated standard (ASSP) and custom (ASIC) mixed-signal integrated circuits (ICs), optimised for smartphone, computing, IoT, LED Solid State Lighting (SSL) and smart home applications. Dialog operates a fabless business model, but maintains its own test and physical laboratories at its office in Kirchheim.[3]

In 2015, it had approximately $1.35 billion in revenue and was one of the fastest growing European public semiconductor companies. It currently has approximately 1,650 employees worldwide. The company is listed on the Frankfurt (FWB: DLG) stock exchange (Regulated Market, Prime Standard, ISIN GB0059822006) and is a member of the German TecDax index.

On 10 February 2011, Dialog announced that it had completed a transaction to acquire SiTel Semiconductor B.V.[4] ("SiTel"), a short-range wireless, digital cordless and VoIP technology company. In July 2013, Dialog announced that it has completed a transaction to acquire iWatt, an AC/DC power conversion and solid state lighting technologies company.[citation needed]

Dialog Semiconductor is the exclusive designer of power management integrated circuits (PMICs) for the Apple iPhone, iPad, and Watch, which made up more than 70% of Dialog’s 2016 sales. Its share value halved from April to December 2017 after private bank Bankhaus Lampe changed its outlook for the company from “hold” to “sell” in the belief Apple would replace Dialog’s PMIC designs with its own, predicting in-house design would be part of a general strategic shift for Dialog’s main client: Apple had established its own PMIC design centres in Munich and California, and in April 2017, Apple graphics chip maker Imagination Technologies declared that Apple would be designing its graphics chips in-house by 2020.[5][6]


Dialog Semiconductor originated from the European operations of International Microelectronic Products, Inc. – a Silicon Valley company founded in 1981

  • 1989 – Dialog Semiconductor formed as part of Messerschmitt-Bölkow-Blohm (part of Daimler-Benz)
  • March 1998 – Roland Pudelko appointed to CEO
  • 1999 – Dialog Semiconductor plc formed, launched on the Frankfurt Stock Exchange
  • October 2005 – Jalal Bagherli appointed to CEO, replacing Roland Pudelko
  • February 2007 – Opens audio / power management R&D design centre in Edinburgh
  • November 2008 – Wins NMI Award for SmartXtend PMOLED display driver technology
  • February 2009 – Launches world’s first configurable power management IC[citation needed]
  • September 2009 – Relocates to new Swindon facility
  • October 2009 – Launches company’s first standalone audio codec
  • December 2010 – Launches world’s first 2D-3D image conversion IC for portable devices, wins GSA’s EMEA Leadership Council Award
  • January 2011 – Opens larger Edinburgh audio / power management R&D design facility
  • February 2011 – Acquires SiTel Semiconductor B.V.
  • December 2012 – New Design Centers in Livorno, Italy and Istanbul, Turkey
  • July 2013 – Acquires iWatt Inc. [7]
  • December 2014 — New Design Center in Chandler, Arizona
  • September 2015 – Announces agreement to acquire Atmel.[8] This agreement was cancelled in January 2016 when Atmel agreed to be purchased by Microchip instead. To break the agreement, Atmel paid Dialog a termination fee of $137.3 million.[9]
  • November 2016 – Announces strategic partnership and $10 million investment with Energous Corporation [10]
  • October 2017 - Announces acquisition of Silego Technology[11]

Main markets[edit]

Dialog integrated circuit D0950CC, used in Siemens S55
  • Power management
  • Audio
  • Automotive and industrial
  • Bluetooth Smart
  • Digital enhanced cordless telecommunications (DECTs) and VoIP
  • LED Solid State Lighting
  • Power Conversion



  1. ^ a b c d e "Key Financial Statements 2008-2014" (PDF). Dialog Semiconductor. Retrieved 28 August 2015.
  2. ^ "second quarter results 2015" (PDF). Dialog Semiconductor. Retrieved 28 August 2015.
  3. ^ dialog-semiconductor.de
  4. ^ Dialog buys wireless, VoIP chip firm
  5. ^ Auchard, Eric; Wolde, Harro Ten (2017-04-12). "Apple may ditch Dialog, analyst says, hitting chipmaker's shares". Reuters. Retrieved 2018-08-12.
  6. ^ Ting-Fang, Cheng (2017-11-30). "Apple to design power chips in-house as early as 2018: Sources". Nikkei Asian Review. Retrieved 2018-08-12.
  7. ^ http://www.dialog-semiconductor.com/docs/investor/iwatt-acquisition-press-release.pdf
  8. ^ Dialog Semiconductor to buy U.S. peer Atmel for $4.6 billion; Reuters; September 20, 2015.
  9. ^ Assis, Claudia. "Microchip Technology buys chip maker Atmel in $3.56 billion deal". MarketWatch. Retrieved 2016-01-21.
  10. ^ Dialog Semiconductor Announces Strategic Partnership and Investment with Energous Corporation to Accelerate Wireless Charging Adoption
  11. ^ lauren.ofstedahl@diasemi.com (2017-10-05). "Dialog Semiconductor to Acquire Silego Technology, the Leader in Configurable Mixed-Signal ICs". Dialog Semiconductor. Retrieved 2018-08-12.