A Tiny Korean Chip Maker Bets on Robots and Data Centers After Its IPO Stumbles

South Korean semiconductor designer HatchTech has mapped out two new revenue streams — chips for industrial robots and chips for data-center storage drives — aiming to cut its heavy reliance on smartphone sensors and grow revenue from about 14 billion won to 45 billion won by 2028.

What happened

HatchTech, which listed on KOSDAQ (South Korea’s tech-focused stock exchange, similar to Nasdaq) in early September 2026 at 21,400 won per share, saw its stock fall roughly 50% in the weeks after listing on overhang concerns (the risk that early shareholders will sell as lock-up periods expire). The company used an investor briefing to outline its path forward. Two product categories are at the centre of that plan:

• Enterprise SSD temperature sensor ICs — chips that monitor heat inside server-grade solid-state drives. Mass production has already started for a global memory manufacturer, with revenue beginning October 2026. Combined 2026–2027 revenue from this line is projected at 3–4 billion won, equivalent to roughly 20–30% of last year’s total revenue of ~14 billion won. HatchTech says it broke into a market long dominated by US firm Texas Instruments.
• Motor control ICs for industrial and robot applications — including Hall switches (measure rotational speed of brushless DC motors), encoder ICs (measure rotational angle), and current sensors. Small-volume shipments of Hall switches to ultra-small robot joint motor makers have begun; encoder ICs are still in development. This segment is not expected to contribute meaningfully to revenue until 2028.

HatchTech was spun off from MagnaChip Semiconductor in 2017 and currently makes most of its revenue from geomagnetic sensor ICs (chips used for electronic compass functions in smartphones), selling to Samsung and Chinese brands such as OPPO and vivo. Its chips are manufactured at a Cheongju fab (fabrication plant) formerly owned by MagnaChip and now operated by SK hynix.

Why Korea does it this way

Korean fabless (chip-design-only, no own factory) companies are a relatively recent phenomenon; most grew out of large conglomerates or, as in HatchTech’s case, corporate spin-offs that sought to commercialise niche sensor IP. Because Korean fabs are dominated by Samsung and SK hynix for memory, smaller designers typically occupy sensor or power-management niches where foreign giants like TI hold legacy positions — creating both the bottleneck and the opportunity HatchTech is targeting. KOSDAQ listings by small-cap chip firms have historically suffered post-IPO selling pressure as venture-capital and strategic investors exit, which explains the 50% drop.

What it means for you

Investors in Korean tech stocks: HatchTech trades on KOSDAQ. Its index weight is negligible, so broad Korea ETF holders are not directly exposed. The stock’s ability to recover depends on whether the October 2026 eSSD revenue ramp actually materialises on schedule — that is the first hard checkpoint. The 2028 revenue target of 45 billion won implies roughly 3× growth from 2025 levels; achieving it requires the robot motor IC segment to win design-ins at European and Japanese industrial OEMs (original equipment manufacturers) where incumbents already have long qualification cycles.

Data-center supply chain watchers: Most large Korean data centers are clustered around Seoul, where new grid connections are now rationed and new projects are being redirected to provincial sites with spare power capacity. Demand for server components — including temperature-monitoring ICs inside eSSD drives — flows directly from that build-out. If Korean and regional hyperscaler (large cloud operator) data-center construction accelerates, HatchTech’s eSSD sensor order book could expand beyond the one customer currently named.

Workers and job seekers in semiconductors: HatchTech is a small fabless firm (~30–50 staff range typical for its revenue scale); direct hiring impact is limited. However, the broader trend it represents — Korean designers moving from mobile into industrial and server ICs — is reshaping which skills are in demand at chip firms across the KOSDAQ semiconductor cluster.

Watch next

• October 2026 revenue confirmation: HatchTech said eSSD temperature sensor IC shipments begin generating revenue in October 2026. Watch for a Q3 2026 earnings release (date not yet set — typically announced 45 days after quarter-end, so around mid-November 2026) that will show whether the ramp started on time.
• Lock-up expiry schedule: The post-IPO stock overhang risk is tied to specific lock-up expiry dates for early investors — check HatchTech’s DART (Data Analysis, Retrieval and Transfer System — Korea’s public corporate disclosure platform) filings at dart.fss.or.kr for the exact dates, which determine when the next wave of potential selling pressure arrives.
• 2027 operating profit turning point: The company guided for 300 million won in operating profit in 2027, its first profitable year. If Q4 2026 and Q1 2027 eSSD revenue tracks toward that target, it will be the signal that the pivot away from mobile sensors is working.

Source: The Elec