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Power/Alternative Energy  

GaN, SiC power IC market to see double-digit rise

Posted: 26 Apr 2013     Print Version  Bookmark and Share

Keywords:GaN  silicon carbide  GaN-on-silicon  market analysis  IGBT 

During the next 10 years, the emerging market for Silicon Carbide (SiC) and Gallium Nitride (GaN) power semiconductors is seen to increase to a factor of 18. This growth will be due to demand from power supplies, photovoltaic (PV) inverters and industrial mother drives.

According to IMS Research's (a subsidiary of IHS) report entitled "The World Market for SiC & GaN Power Semiconductors—2013 Edition," worldwide revenue from sales of SiC and GaN power semiconductors is projected to rise to Rs.15,053.76 crore ($2.8 billion), up from just Rs.768.82 crore ($143 million) in 2012. Market revenue is expected to rise by the double digits annually for the next decade.

SiC Schottky diodes have been around for more than 10 years, with SiC metal-oxide semiconductor field-effect transistors (MOSFET), junction-gate field-effect transistors (JFET) and bipolar junction transistors (BJT) appearing in recent years. In contrast, GaN power semiconductors are only just appearing in the market.

GaN is a wide bandgap material that offers similar performance benefits to SiC but has greater cost-reduction potential. This price/performance advantage is possible because GaN power devices can be grown on silicon substrates that are larger and lower in cost compared to SiC.

"The key factor determining market growth will be how quickly GaN-on-silicon (Si) devices can achieve price parity and equivalent performance as silicon MOSFETs, insulated-gate bipolar transistors (IGBT) or rectifiers," said Richard Eden, senior market analyst for power semiconductor discretes and modules at IHS. "IHS expects this will be achieved in 2019, driving the GaN power market to pass the Rs.5,376.34 crore ($1 billion) mark in 2022."

SiC Schottky diode revenue exceeded Rs.537.63 crore ($100 million) in 2012, making it the best-selling SiC or GaN device currently. But even though SiC Schottky diode revenue is forecast to grow until 2015, it will decline when lower-priced 600V GaN diodes become available. Still revenue will recover to approach Rs.1,075.27 crore ($200 million) by 2022, with sales concentrated at voltage ratings of 1200V and above.

By then, SiC MOSFETs are forecast to generate revenue approaching Rs.2,150.54 crore ($400 million), overtaking Schottky diodes to become the best-selling SiC discrete power device type. Meanwhile, SiC JFETs and SiC BJTs are each forecast to generate less than half of SiC MOSFET revenues at that time, despite their likelihood of achieving good reliability, price and performance. End users now strongly prefer SiC MOSFETs, so vendors of SiC JFETs and BJTs have a major task ahead in educating their potential customers on the benefits of these technologies.

While IHS predicts strong growth for the SiC and GaN power semiconductor market in the years ahead, the forecast has been significantly reduced compared to the outlook from one year ago.

The main reason for the change is the reduced forecasts for shipments of equipment that use power components, resulting from today's gloomier view of the global economy. SiC adoption forecasts also have been slashed because device prices are not falling as fast as originally assumed a year ago.

In contrast, industry confidence in GaN technology has increased, with more semiconductor companies announcing GaN development projects. For instance, Transphorm has become the first company to achieve JEDEC qualification for its GaN-on-Si devices.





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