Power Semiconductor Devices in India: Rising Patents, Thin Startup Activity

What it is

Power semiconductor devices are high-performance electronic switches and rectifiers that control and convert electrical energy in systems ranging from smartphone chargers to electric vehicle drivetrains. They handle high voltages and currents, ensuring power flows efficiently from source to end use. Traditionally built on silicon, the industry is rapidly shifting to wide bandgap (WBG) materials like silicon carbide (SiC) and gallium nitride (GaN), which switch faster, tolerate higher temperatures, and cut energy losses dramatically.

These components are foundational to modern electrification. They sit inside solar inverters, industrial motor drives, data center power supplies, 5G base stations, and EV onboard chargers. As global demand for energy efficiency and compact power electronics surges, power semiconductors have become a strategic technology — and a growing focus for India's semiconductor ambitions.

The value chain

• Design: Chip architecture, layout, and simulation — high value, IP-intensive. Dominated by global players like Infineon, Texas Instruments, STMicroelectronics, and NXP.
• Fabrication: Wafer manufacturing using silicon, SiC, or GaN substrates. Capital-intensive, with high barriers to entry. Few firms globally operate leading-edge fabs.
• Packaging and Assembly: Encapsulation, thermal management, and module integration. Critical for reliability and performance; often co-located with fab or outsourced.
• System Integration: Embedding power modules into end products (EVs, inverters, power supplies). Value lies in application-specific optimization and system-level know-how.

Where it's heading

• Wide bandgap adoption: SiC and GaN are displacing silicon in high-voltage, high-frequency applications, driven by EV and renewable energy demand (SNS Insider).
• EV and clean energy pull: The global power semiconductor market is projected to grow from ~$50 billion in 2025 to $87 billion by 2035, with automotive and industrial sectors leading (SNS Insider, Maximize Market Research).
• AI and IoT integration: Chip designs increasingly embed intelligence for adaptive power management, improving efficiency in data centers and edge devices (Grand View Research).
• India policy push: The India Semiconductor Mission is offering incentives for design, fabrication, and packaging, while partnerships with the US, Japan, and Europe aim to build supply chain resilience.
• Startup emergence: Indian startups like Bharat Semi are entering semiconductor design, though the ecosystem remains nascent compared to global hubs.

The opportunity in India

India's power semiconductor patent filings are rising — a strong signal of growing R&D activity. Yet our dataset lists just one deep-tech company explicitly focused on this space, and none of the patent-holding entities are startups. This gap between innovation output and commercial venture creation points to a significant white space.

The India Semiconductor Mission and deepening global technology partnerships create a favorable environment for fabless design houses, packaging startups, or application-specific module developers. With domestic EV manufacturing and renewable energy deployment accelerating, local demand for power semiconductors will only grow. A startup that can bridge design and system integration — perhaps focusing on SiC or GaN-based modules for Indian automotive or solar inverter OEMs — could capture early-mover advantage in a field that remains wide open.

However, the capital intensity of fabrication means Indian startups will likely need to pursue fabless models or partner with established foundries. The absence of patent-holding startups in our data suggests that the current innovation is concentrated in academic labs or large enterprises, leaving room for agile new entrants to build IP and secure a foothold.

India signal: patents, startups, capital

Our data maps 19 patents to power semiconductor devices, with filing momentum rising — even before the last two years of applications are fully published, the trend is upward. This indicates a growing stock of Indian-origin innovation in the field.

On the company side, our dataset identifies just one deep-tech firm, INDIAVP SEMICONDUCTOR PRIVATE LIMITED (Chennai), whose profile references power semiconductors. The patent-holding startup count stands at zero, meaning none of the patent-linked entities in our data are startups. This does not mean no startups exist — our text matching may not capture all firms — but it underscores how thin the commercial startup layer remains.

Sector-level funding data for power semiconductors is not available in our dataset, which itself reflects the early stage of venture activity in this niche. For investors, the combination of rising patents, policy tailwinds, and negligible startup density signals a classic deep-tech opportunity: strong technical foundations waiting for entrepreneurial teams to build upon.

In our data

Sources

• Power Semiconductor Devices Explained ↗
• Powerful Knowledge 4 - Power semiconductor device overview ↗
• Power Semiconductors for Everyone – Issue #1: The Basics ↗
• Mapping the Semiconductor Supply Chain: The Critical ... ↗
• Mapping the semiconductor value chain (EN) ↗
• The Semiconductor Supply Chain | Center for Security and ... ↗
• Power Semiconductor Market Size & Share Report, 2035 ↗
• Power Semiconductor Market: Industry Analysis and Forecast ↗