The research estimates that the output value of the silicon carbide market will increase by more than 40% this year (Bloomberg data photo)

[Reporter Hong Youfang/Hsinchu Report] Although Tesla, a major electric vehicle manufacturer, announced that it will reduce the use of silicon carbide (SiC) by 75%, according to the statistics of TrendForce, a research and research organization, along with Onsemi, The clarification of cooperation between Infineon and other automotive and energy companies will push the overall silicon carbide (SiC) power component market output value to US$2.28 billion (approximately NT$70.2 billion) in 2023, an annual growth of 41.4%, to In 2026, the market value of SiC power components is expected to reach US$5.33 billion (approximately NT$164.2 billion), and mainstream applications rely heavily on electric vehicles and renewable energy.

Among compound semiconductors, silicon carbide (SiC) and gallium nitride (GaN) account for 80% of the overall output value of SiC. SiC is suitable for high-voltage and high-current application scenarios, and can further improve the system efficiency of electric vehicles and renewable energy equipment.

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According to TrendForce, the top two applications of SiC power components are electric vehicles and renewable energy, which will reach US$1.09 billion (approximately NT$33.6 billion) and US$210 million (approximately NT$6.5 billion) in 2022, accounting for The overall SiC power component market output value is about 67.4% and 13.1%.

In terms of automotive use, ON Semiconductor signed a strategic agreement with Volkswagen (VW) to provide VW with EliteSiC 1200V main inverter power modules. In addition, this series of products was also selected by Kia Corporation for use in EV6 GT cars models; Wolfspeed and Mercedes-Benz (Benz) have deepened their partnership to provide SiC power components for their electric vehicles.

In terms of renewable energy, ON Semiconductor also cooperates with Ampt to provide SiC MOSFETs required for solar energy and energy storage system optimizers; Infineon's CoolSiC has been introduced into the bidirectional inverters of Taiwanese factory Delta (Delta) for solar energy The three-in-one system of power generation, energy storage, and electric vehicle charging also helps to improve the efficiency of Bloom Energy's fuel cell and electrolysis systems.

According to TrendForce, SiC substrates account for 49% of the cost of SiC power components, and are also the key to determining the quality of components. Currently, Wolfspeed’s SiC substrates account for more than 60% of the market, and are the most valued by the market. Other companies include Infineon and Resonac. The SiC raw material signing is a long-term supply agreement, focusing on 6-inch materials in the initial stage and 8-inch materials in the later stage.

In addition, STMicroelectronics (ST) cooperated with Soitec to mass produce 8-inch SiC substrates using Soitec's SmartSiC technology; Wolfspeed plans to build 8-inch SiC power components in Germany in addition to its 8-inch SiC substrate factory in North Carolina manufacturing plant, and ZF (ZF Group) will also invest hundreds of millions of dollars in it.

Semiconductor manufacturers around the world are paying close attention to 8-inch SiC substrates. Under the leadership of Wolfspeed, which first released the capacity of 8-inch SiC substrates, other suppliers will follow up and actively carry out upstream and downstream cooperation in the supply chain.

TrendForce predicts that by 2026, the market value of SiC power components is expected to reach US$5.33 billion.

Mainstream applications still rely heavily on electric vehicles and renewable energy. The output value of electric vehicles can reach US$3.98 billion (about NT$122.6 billion), with a CAGR of about 38%; renewable energy can reach US$410 million (about NT$12.6 billion), with a CAGR of about 19% %.

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