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Power SiC 2017: Materials, Devices, Modules, and Applications

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Yole couv flyer power sic

2019 will see SiC adoption reach a tipping point.


In 2016, Yole Développement said that “the SiC power business is concrete and real, with a promising outlook”. The trend has not changed in 2017. We have heard this during our discussions with industrial players, who have increasing confidence about the SiC power market. If end users were once simply curious about SiC, they are now coming to try it, building prototypes for concrete projects that could drive volumes in coming years. The added value enabled by SiC is widely understood and accepted. We are gradually going from the customer awareness and education stage to the customer trial and adoption stage. This is especially true for SiC transistors.

Besides the general positive feedback, multiple other signals reveal that the market adoption of SiC power devices is going to accelerate. In electric vehicles (xEV), the leading Chinese xEV manufacturer BYD confirmed that it is using SiC in its on-board chargers. SiC is now on the road, not only on trial. Like the xEV market, the xEV charging infrastructure market is growing fast, which will contribute to the growth SiC power device markets. Different players have confirmed the adoption of their devices in xEV charging infrastructures.

In this context, it is the third time since 2014 that we at Yole Développement have increased our forecast for SiC power semiconductors, in particular for the post-2020 period. We estimate that the total SiC device market will be worth more than $1B in 2022. Market growth is going to accelerate after 2020, with a 2020-2022 CAGR of 40%. Applications like power factor correction (PFC)/power supplies and photovoltaic (PV) inverters are driving market growth today. In the future, we expect xEV related applications, rail and others will also contribute.

This report conveys Yole Développement’s understanding of SiC implementation in different segments. It offers a comprehensive summary of SiC power device market data, broken down by application. This includes PFC/power supply, PV, xEV and its charging infrastructure, uninterruptible power supplies (UPS), motor drives, wind, rail and other uses.

Yole SiC device market size split by application 


When we look back 16 years at the beginning of the commercialization of first SiC power devices, only two companies offered them: Infineon and Cree, whose power and radio-frequency device business has since been spun out as Wolfspeed. The device market landscape didn’t really evolve for the next 10 years, as SiC struggled to prove itself to the industry.rohm

The situation has taken a sharp turn since 2009-2010, with ever more device players supplying SiC diodes. As of July 2017, the total number of diode suppliers is up to 23. The total number of SiC transistor suppliers is also increasing. In particular, it is worth highlighting that from 2016 to 2017, the number of SiC MOSFET suppliers has doubled. That number will undoubtedly further increase in coming years.

As the device market has developed, an industrial supply chain has been established, from wafer to epi, chip manufacturing, and module packaging and finally reaching system end users with different business models, for example:
• Wolfspeed and Rohm Semiconductor are vertically integrated from substrate to module
• Mitsubishi Electric and Fuji Electric are vertically integrated from chip to end system
• Many other players occupy part of the supply chain.
This industrial supply chain is constantly evolving, with newcomers and quitters. In 2016-2017 in particular, Yole Développement would like to draw your attention to the following:
• At the wafer level, Dow Corning has been restructured after being acquired by Dow. The merger of Dow and Dupont now puts a question mark over the future of Dow Corning’s SiC wafer business, one of the main SiC suppliers. Also notable is the acquisition of Norstel by Chinese capital. Following the acquisition, the company is now constructing a brand-new factory in Fujian, China to expand its capacity.
• Despite the fact that Raytheon stopped its SiC foundry service in 2017, a foundry model is clearly in operation. This is helping fabless/fab-lite SiC companies to launch their products and make SiC technology more accessible to the industry. The model is currently driven by X-fab, which is supported by Power America. We are expecting other foundries to enter the market as well.

This report provides an overview of the SiC power industry, covering the value chain from material to epitaxy to module. It also outlines Yole Développement’s understanding of the market’s current dynamics and future evolution.

Yole SiC diode product chart 


As of 2017, the SiC power market is still dominated by discrete devices, including both discrete diodes and transistors. But that situation will change. Hybrid modules are already penetrating some applications, PV for example, and full SiC modules are coming.

SiC transistors are especially advantageous for high-voltage, high-power rating applications. The markets that are going to drive SiC include rail, motor drives, xEV and inverters, which all prefer modules. We therefore expect modules to take market share. Indeed, SiC power semiconductor suppliers are taking action. If we look at the big news in the 2016-2017 period, it included the following:
• The number one power semiconductor manufacturer – Infineon – entered mass production of full SiC modules
• GE teams up with Danfoss for SiC module production

Module players are not only launching products, but also doing what they can to facilitate market adoption. For example, the announcement of new modules is frequently associated with the release of a driver electronics solution, assisting designers in surmounting the difficulties linked to the driver. Additional integrated ‘plug-and-play’ solutions known as power stacks, power assemblies or power blocks are appearing on the market. They help those end users who want to implement SiC modules in their products but do not have internal design resources or capabilities.

This report includes a detailed description of the diode, transistor, and module product landscape. It covers the chip market, split between diodes and transistors, and the device market, split between discrete diodes, discrete transistors, hybrid modules and full SiC modules. This report also provides an analysis of the device market as a function of voltage.

Yole SiC module examples 

Objectives of the Report

This report’s objectives are to:

  • Detail SiC’s penetration in different applications including PFC/power supply, PV, xEV, xEV charging infrastructure, UPS, motor drive, wind and rail
  • Showcase state-of-the-art SiC-based devices, modules, and power stacks, including a product chart for each
  • Provide an overview of the SiC power industrial landscape from materials to systems, and discuss SiC power market dynamics
  • Offer a market value projection for the SiC power device market through 2022 split between transistors and diodes, by application, and between discretes and modules
  • Give an analysis of SiC power device as function of the device voltage
  • Include a projection for the SiC substrate market through 2022
  • Reveal the SiC power market roadmap

what's new

  • Market size estimation for discrete diodes, diodes in hybrid modules, discrete transistors and full SiC modules
  • Market size estimation of diode and transistor chip market without packaging
  • Voltage analysis of SiC power devices covering 650V, 1200V, 1700V and >1700V
  • Update of our SiC power report with the newest market development and technology trends
  • A new chapter about xEV charging infrastructure
  • Updated product charts for SiC diodes, transistors, and modules


Table of contents

Executive summary  7


 Report comparison 39


Why use SiC for power electronics applications? 42

> Power supply
> Power supply: trend in the industry
> Power supply: regulation evolution  
> PFC/power supply market segmentation
> Power supply market (Munits)
> PFC applications
> PFC: mode of operation
> SiC penetration in PFC
> SiC device market for PFC (in M$)



SiC device market 47

> SiC power device target applications overview
> SiC power device market
> Market estimated in this report
> SiC power device market – projection up to 2022
> PFC/power supply
> PV inverters
> xEV market
> xEV charging infrastructure
> Uninterruptible Power Supplies (UPS)
> Motor drive market
> Power converters for wind turbines
> Rail traction market
> Other SiC applications
> SiC Device Market: voltage analysis



SiC devices, modules, and stacks 162

> Challenges in SIC power manufacturing
> Main processing differences between silicon and SiC
> SiC power devices
> SiC MOSFETs’ main challenges
> SiC MOSFET discrete package
> SiC discrete package
> Hybrid and full SiC module
> Full SiC module packaging design - some examples
> Commercially-available IPM examples
> Full SiC module packaging
> Evolution of junction temperature inside SiC power modules
> Full SiC module
> Innovative packaging for SiC in R&D
> SiC power stack



SiC device commercial status 187

> SiC power device timeline
> SiC power devices
> SiC MOSFET technology evolution
> Commercially-available SiC diodes
> Known SiC MOSFET discretes
> Commercially-available SiC MOSFET discretes
> Known SiC-based modules
> Known MOSFET-based full SiC modules
> High-voltage SiC Devices
> SiC device roadmap


SiC power device industry landscape 199

> Involvement origins of SiC power device manufacturers (2017)
> Evolution of pure SiC power device manufacturers
> SiC power industry business models (as of 2017)
> From prototype to mass production
> 2016 market share estimate for power device makers
> Special focus on China



SiC wafer market 207

> SiC wafer supplier status
> Mapping of SiC players
> China’s surge in SiC wafer production capacity
> SiC substrates size evolution
> SiC-based MOSFET wafer cost structure
> SiC n-type substrate - average price estimation
> SiC n-type substrate market - volume projection
> SiC n-type substrate - market size ($M) projection
> Market share estimate for n-type SiC substrate players



Discussion and perspectives 218

> Is the ecosystem ready for SiC power?
> Primary drivers for using SiC in different applications
> SiC power industry - main challenges
> How are challenges being addressed?
> SiC industry - geographic analysis (as of July 2017)
> Lifecycle of SiC transistor and sic diode
> Outlook to 2022
> About the Infineon–Wolfspeed acquisition
> Roadmap of SiC power industry drivers
> SiC vs. Si power semiconductor market (in $)
> SiC transistor vs IGBT market (in $)


General conclusions 237


Companies cited

Basic Semiconductor
Brückwell technology
Caly Technology
Dow Corning
Fraunhofer IISB
Fuji Electric
Global Power Device
Global Power Technology
Hestia Power










































Mitsubishi Electrics
Northrop Grumman
On Semiconductors
Schneider Electric
United Silicon Carbide
and more


























  • Yole Développement’s deep understanding of SiC penetration in different applications including PFC/power supply, PV, xEV, xEV charging infrastructure, UPS, motor drives, wind and rail
  • State-of-the-art SiC-based devices, modules, and power stacks, including product charts for each
  • Description of the SiC power industrial landscape from materials to system, and discussion about SiC power market dynamics
  • SiC power device market value projections to 2022, including chip market with transistor/diode split, device market split by application and device market with discrete/module split
  • SiC power device voltage analysis
  • Market value and volume projections for the SiC substrate market through 2022
  • SiC power industry roadmap