Is TSMC Supplying Chips to Huawei? US Commerce Department Launches Investigation

U.S. Commerce Department is investigating TSMC for allegedly supplying semiconductor chips to Huawei, raising concerns about compliance with U.S. sanctions.

Introduction

The U.S. Department of Commerce has launched an investigation into Taiwan Semiconductor Manufacturing Company (TSMC) over allegations that it supplied semiconductor chips to Huawei Technologies.

This inquiry raises serious concerns about TSMC’s compliance with U.S. sanctions. As the world’s largest semiconductor manufacturer, TSMC plays a crucial role in the global tech landscape, and any potential violations could have far-reaching implications for both companies involved.

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Key Points Overview

  1. Investigation Initiated: The U.S. Commerce Department is investigating TSMC for potentially supplying chips to Huawei.
  2. Background on Sanctions: Huawei has faced trade restrictions since 2020, limiting its access to advanced semiconductor technology.
  3. Chips Under Scrutiny: The investigation targets the Kirin 9000s chip in Huawei’s Mate 60 series and the Ascend AI processor.
  4. Conflicting Claims: Huawei claims to source chips exclusively from Semiconductor Manufacturing International Corp (SMIC), yet evidence suggests TSMC may still be involved.
  5. TSMC’s Commitment to Compliance: The company insists it adheres to U.S. laws and is cooperating with the investigation.

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Investigation Details

The inquiry by the U.S. Department of Commerce specifically examines TSMC’s possible supply of advanced chips to Huawei.

Reports indicate that the investigation focuses on the Kirin 9000s chip, used in Huawei’s Mate 60 smartphones, and the Ascend AI processor. Both products reportedly contain components restricted under current U.S. trade rules.

Background of the U.S.-Huawei Ban

In May 2019, the U.S. government placed Huawei on a trade blacklist, known as the Entity List. This decision stemmed from national security concerns and allegations that Huawei’s technology could facilitate espionage.

By August 2020, the U.S. expanded these restrictions, prohibiting American companies from selling components and technology to Huawei.

These sanctions also apply to any foreign company using U.S. technology to manufacture chips for Huawei.

As a result, Huawei has struggled to secure necessary semiconductor supplies, primarily turning to SMIC for its chip needs.

This investigation raises critical questions about the effectiveness of U.S. sanctions and whether Huawei has found ways to navigate around them.

Implications for TSMC

The ongoing investigation poses significant risks for TSMC, If the inquiry finds evidence of TSMC supplying chips to Huawei, the company could face substantial penalties.

These could include hefty fines, restrictions on U.S. business operations, or damage to its reputation as a compliant supplier.

TSMC’s future contracts and collaborations may also hang in the balance. As global tensions between the U.S. and China continue to escalate, TSMC must navigate a complex landscape where regulatory compliance and business interests often clash.

TSMC’s Official Response

Taiwan Semiconductor Manufacturing Company (TSMC) informed U.S. authorities that one of its chips was discovered in a Huawei product, according to a source familiar with the situation. The revelation came after tech research firm TechInsights conducted a teardown of the product. This raises concerns about a potential violation of export restrictions on Huawei. Another source specified that the teardown involved Huawei’s Ascend 910B, considered the most advanced AI chip developed by a Chinese company. The initial source did not disclose the specific item but confirmed that the TSMC chip was part of a multi-chip system.

In a statement on Monday, TSMC announced that it had proactively contacted the U.S. Commerce Department about the issue, emphasizing that it has not supplied chips to Huawei since mid-September 2020. “We are not aware of TSMC being under investigation at this time,” the company added. Huawei was placed on a U.S. trade-restriction list in 2019 due to national security concerns. TechInsights, the firm behind the teardown report, which has not yet been released, declined to comment.

The Chips Under Scrutiny

The Kirin 9000s chip is a key component of Huawei’s Mate 60 smartphones. It boasts high performance and advanced features critical to maintaining Huawei’s competitive edge in the market.

Similarly, the Ascend AI processor supports Huawei’s ambitions in artificial intelligence and machine learning applications.

Both chips are manufactured using technology that, under current U.S. sanctions, should not be accessible to Huawei.

Despite Huawei’s claims of sourcing exclusively from SMIC, reports indicate that some Kirin chips, like the Kirin 9006C used in the Qingyan L450 laptop, may have originated from TSMC.

These discrepancies raise questions about Huawei’s transparency and adherence to U.S. regulations.

Broader Context: U.S.-China Tech Rivalry

The investigation into TSMC’s alleged dealings with Huawei reflects the broader U.S.-China technological rivalry. The semiconductor industry has become a focal point in this conflict, with both nations vying for dominance.

The U.S. seeks to curtail China’s technological advancements, particularly in sectors vital to national security.

Meanwhile, China is investing heavily in its semiconductor capabilities to reduce reliance on foreign technology.

As a major player in the semiconductor market, TSMC is caught in the crossfire of these competing interests. The company’s operations not only impact the global tech landscape but also influence supply chains across various industries, including consumer electronics and automotive manufacturing.

The U.S. government continues to apply pressure on firms like TSMC to comply with export controls, leading to uncertainty about future partnerships with Chinese companies.

Potential Outcomes of the Investigation

The U.S. Commerce Department’s investigation could yield significant repercussions for both TSMC and Huawei.

Should TSMC be found guilty of violating U.S. sanctions, it may face severe penalties, including fines and restrictions on its operations within the U.S. Such outcomes could undermine TSMC’s leadership in semiconductor manufacturing.

Conversely, if TSMC emerges from the investigation unscathed, it may bolster its credibility and strengthen relationships with other tech firms.

For Huawei, a confirmation that TSMC supplied chips would complicate its recovery from sanctions and hinder efforts to regain smartphone market share.

Conclusion

The investigation into TSMC alleged chip supply to Huawei underscores the intricate dynamics of the global semiconductor industry amid rising U.S.-China tensions.

As the inquiry progresses, both companies must navigate a challenging landscape marked by regulatory scrutiny and geopolitical rivalry.

For TSMC, maintaining its reputation as a compliant manufacturer is vital for ongoing success. Meanwhile, Huawei’s quest for semiconductor sourcing will remain under intense scrutiny.

The outcomes of this investigation could reshape the semiconductor industry landscape and influence international technology policies.

As the situation develops, the tech industry will closely monitor how this investigation impacts supply chains, market dynamics, and the broader narrative of U.S.-China relations in technology.

The findings could redefine semiconductor manufacturing and set important precedents for regulatory enforcement in the sector.

Kumar Priyadarshi
Kumar Priyadarshi

Kumar Joined IISER Pune after qualifying IIT-JEE in 2012. In his 5th year, he travelled to Singapore for his master’s thesis which yielded a Research Paper in ACS Nano. Kumar Joined Global Foundries as a process Engineer in Singapore working at 40 nm Process node. Working as a scientist at IIT Bombay as Senior Scientist, Kumar Led the team which built India’s 1st Memory Chip with Semiconductor Lab (SCL).

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