What exactly is GaN technology and why is it important?

Gallium nitride, or GaN technology, enables faster switching and lower power loss than traditional silicon. It delivers smaller, cooler power systems with higher efficiency. This improves EV chargers, solar inverters, data center power supplies, and phone adapters. The result is lower energy costs, lighter designs, and better thermal performance for many end markets.

When will VIS start GaN mass production, and on what platform?

VIS targets GaN mass production in H1 2028 on its 8‑inch platform. Before that, expect pilot runs, reliability testing, and customer qualifications. The goal is to expand GaN-on-silicon power device capacity for both high- and low-voltage needs, based on TSMC’s licensed process and customer demand readiness.

How does this deal matter for Indian companies and investors?

The deal broadens access to efficient GaN-based power parts that support India’s EV charging, rooftop solar, UPS, and 5G rollouts. Indian OEMs can source parts, then localize packaging, testing, or modules. Investors should watch order commentary, policy support, and supplier design wins to gauge revenue impact and timing.

Is TSM a buy purely because of this GaN news?

GaN adds an attractive growth lever, but we focus on overall fundamentals and valuation. TSM shows high margins and strong returns, with 19 Buys and 3 Holds from analysts. Valuation near 32x earnings requires growth delivery. Watch April 16, 2026 earnings for updates on GaN pipeline and capex plans.

What risks could delay the GaN ramp or reduce returns?

Key risks include slower customer qualifications, early yield issues, and pricing pressure if competition scales fast. Supply of quality 8‑inch GaN-on-silicon wafers and reliability returns also matter. Clear design wins, stable yields, and disciplined capex are needed to protect margins and sustain the multi-year ramp.

Global Market Insights

TSM Stock Today: January 29 GaN License to VIS Expands Power Chip Push

ByDanny Kontos January 29, 2026January 29, 2026

GaN technology sits at the center of Taiwan’s latest power-chip move. On 29 January, Taiwan Semiconductor licensed its high- and low-voltage GaN processes to Vanguard International Semiconductor. For India investors, the agreement ties better power efficiency to EV charging, solar inverters, and data centers. As TSM extends GaN monetisation and 5347.TW eyes mass output by H1 2028, we see supply tailwinds for Asia buyers. We break down the news, the stock setup, and practical trade ideas.