Super Junction MOSFET Business Update

Published: January 2013
No. of Pages: 190

A $1B market by 2018, forecast at 10.3% growth per year. Already eight new players in the last three years!

Objectives of the Report

The report objectives are as follows:

  • Analyze new strategies and technology roadmaps
  • Provide an exhaustive supply-chain analysis of the SJ MOSFET market
  • Provide up-to-date market metrics
  • Profile the different segments of the SJ MOSFET market
  • Position SJ MOSFET technology against current and future competition

What's New Compared to Last Edition

  • Update of all market metrics (by player, by application, by technology)
  • Update of players' landscape and supply-chain
  • Focus on EV/HEV segment: on-board and chargers
  • Presentation of packaging solutions

Key Features of the Report

This report provides an exhaustive analysis of High-Voltage (+400V) Super Junction MOSFET markets, technologies and players. It features:

  • Market metrics split by players, applications and technologies
  • Market forecast out to 2018 (in $, units and wafers)
  • Analysis of existing players and market share, plus new players
  • An exhaustive supply-chain analysis
  • Details on packaging solutions
  • A presentation of available and competing technologies
  • Focus on Electric & Hybrid Vehicles

SJ Mosfet is Jumping from Consumer Power Supplies to the Renewable Energy and Industry Segments

It's no secret: Consumer is SJ MOSFET's main application segment, representing 2/3 of its total market. And while some applications are stagnant, i.e. Desktop PC and game console power supplies, most applications are still growing. The biggest growth area will be power supplies for tablets, with an expected 32% increase in CAGR from 2013 to 2018. However, the main products where SJ MOSFETs are used are PC (Desktop and laptop) power supplies and TV sets, which total half of the SJ MOSFET market as presented in this report.

The driver for using SJ MOSFET in these applications is, first and foremost, size reduction. SJ MOSFET allows for a much smaller size than planar MOSFET, since they generate less heat.

The Hybrid and Electric car markets should not be ignored. True, they are less than $5M today, but they will represent more than $100M by 2018.

This report clarifies the situation of SJ MOSFET in EV/HEV markets, and shows how SJ MOSFET will be used in DC/DC converters and chargers and how it provides accurate market metrics.

Industrial applications are less interested in SJ MOSFET use, since these applications do not require a high frequency of switching when operating in an H-bridge. SJ MOSFET is interesting only for specific topologies such as multi-level, or for cheap, low-power solutions (small UPS, residential PV) - but even in these applications, planar MOSFET or IGBTs remain better solutions since they are cheaper and meet all requirements.

In summary, SJ MOSFET is currently employed mostly for high-end solutions.

Deep Trench/Multi-EPI: Deep Trench Technology is Improving, but is Still Too Expensive

The technology used for Super Junction MOSFET is of two types. The first one, developed by Infineon, uses a series of epitaxies and doping to create a locally doped “island” in the epi-layer. The doped region then diffuses and creates an N-doped pillar. The second technology uses deep reactive ion etching to dig a trench. This trench is then filled with an N-doped material to create the super junction structure. Players exploiting this particular technology are Toshiba, Fairchild Semiconductor and IceMOS Technology.

Technology evolution is accelerating and the opposition between multiple epitaxy and deep trench is growing stronger. Toshiba released its 4th generation of its DTMOS, a deep trench power MOSFET with a smaller pitch size. It means a smaller die size and an improved RdsON. It's still more expensive to produce than a CoolMOS (Infineon's brand name), but it's becoming more and more competitive.

Compound semiconductor remains a threat to SJ MOSFET. SiC will be positioned at higher voltage and will target high-end solutions as well. Silicon will still be present in 2015. IGBT is the best cost vs. switching efficiency trade-off, and International Rectifier is working on high-speed IGBTs that are competing directly with Super Junction MOSFET. In the end, SJ MOSFET is positioned in-between, and depending on the voltage, application and frequency of switching, it could compete with SiC, Fast IGBT, IGBT or GaN.

This report also presents evolutions in packaging, which has become a part of the game. In 2010, STMicroelectronics and Infineon maintained their leadership role by providing a common package type of very small size. It fits perfectly with consumer applications, where size reduction is a strong driver.

Eight New Players Entered The Game in the Last Three Years. How will They Capture Market Share From Stmicroelectronics and Infineon?

In 2012, Power Electronics was in crisis. IGBT fell 20 - 25% in sales. Meanwhile, Super Junction MOSFET grew at 8.3%, a trend we expect will continue until 2018, when it tops the $1B limit. This forecast demonstrates how much the technology is needed. In 2011, production capacity was too small to handle the high demand. This shortage situation helped the SJ MOSFET market weather the 2012 crisis. For manufacturers, this demand was used as a buffer, and we believe that in 2013 the market will return to its normal supply status.

Another sign of SJ MOSFET being very attractive is the numbers of players that have entered/may enter the market. As explained in this report, the last 36 months have seen eight new players throw their hats in the ring; among them, the Chinese foundries and their fabless counterparts appear to pose the biggest threat to the historical leaders' market share.

Since the technology is widely used and widely produced, we will see more players join, such as Magnachip and ON Semiconductor. The availability of the technology in Chinese foundries makes things even simpler. 2010 market share was split between the historical leaders, with Infineon having a clear advantage since they were first to commercialize the technology. However, recent announcements and partnerships will probably lead to a more level playing field. Additionally, the feedback from integrators is that they don't really worry about the manufacturer's name or brand; instead, they focus on the specifications they need and the devices that fit. With Chinese, Taiwanese and Japanese foundries and device makers entering the market, we expect market share to shift. Several small players will eat a few percent and cause the leaders' share to shrink.

Company Cited in the Report (Non-Exhaustive)

350green, ABB, Aker Wade, Alpha Omega Semiconductor, ASMC, Better Place, Clippercreek, Continental, Danfoss, Dawin Electronics, DBT, Delta, Denso, Efacec, Eltek Valere, Enphase, EPC Corp., Fairchild, Flextronics, Foxconn, Freescale, Fuji Electric, Fujitsu, GaN Systems, Grace Semiconductor, Hager, Hua-Hong NEC, IceMOS Technology, Infineon, International Rectifier, Involar, Ixys, LAAS CNRS, Legrand, Leviton, LG, Magna, Magnachip, Maplesemi, microGaN, Microsemi, NCE Power, Nichicon, NXP, Omron, ON Semiconductor, Powersem, Qualcomm Halo, Renesas, Rohm, Schneider Electric, Semipower, Shindengen, Siemens, Silan, SMIC, STMicroelectronics, Toshiba, Towerjazz, Toyota, Transphorm, Valeo, Vincotech, Vishay...

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Product Code: Yole Developpement1073

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