# Empower Semiconductor

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/empower-semiconductor

- Industry: Semiconductors
- Headquarters: San Jose, US
- Website: www.empowersemi.com/
- Total disclosed funding: $185M
- Latest round: Series D (Sep 22, 2025)
- Investors on record: 11

## About

Based in California, US, and founded in 2014, by co-founders Gene Sheridan and David Lidsky, Empower Semiconductor, Inc., aka Empower Semiconductor, Empower, operates as a manufacturer of integrated voltage regulators (IVR) for systems ranging from high-powered servers and communications systems to low-power mobile devices. In September 2025, Empower Semiconductor, Inc. raised USD 140 million in series D funding led by investor Fidelity Investments, with participation from other investors Abu Dhabi Investment Group, Atreides Management, CapitalG, Knollwood Investment Advisory, Maverick Capital, Socratic Ventures, and Walden Catalyst.

The company offers power conversion and e-cap solutions. The power conversion includes 12V solutions,3.3v integrated voltage regulators-IVR, and 1.8V integrated voltage regulators (IVR) that provide power density solutions for a wide range of applications, including mobile, wearables, 5G, AI, and data centers. E- cap improves the electrical and mechanical performance of wearables, mobile, and security operation centers of applications.

The company will use the September 2025 funding to advance energy-efficient chip technology for data center performance.

## Funding rounds

- Series D, Sep 22, 2025, $140M — Walden Catalyst, Fidelity Investments, Maverick Capital, CapitalG, Atreides Management, Socratic Ventures, Knollwood Investment Advisory, Abu Dhabi Investment Group
- Series C, Oct 26, 2021, $45M — Hallador Venture Partners, Samsung Strategy & Innovation Center, Mesh Ventures

## Investors

- Hallador Venture Partners (https://capitalatlas.ai/funds/hallador-venture-partners) — Series C
- Samsung Strategy & Innovation Center (https://capitalatlas.ai/funds/samsung-strategy-innovation-center) — Series C
- Mesh Ventures (https://capitalatlas.ai/funds/mesh-ventures) — Series C
- Walden Catalyst (https://capitalatlas.ai/funds/walden-catalyst) — Series D
- Fidelity Investments (https://capitalatlas.ai/funds/fidelity-investments) — Series D
- Maverick Capital (https://capitalatlas.ai/funds/maverick-capital) — Series D
- CapitalG (https://capitalatlas.ai/funds/capitalg) — Series D
- Atreides Management (https://capitalatlas.ai/funds/atreides-management) — Series D
- Socratic Ventures (https://capitalatlas.ai/funds/socratic-ventures) — Series D
- Knollwood Investment Advisory — Series D
- Abu Dhabi Investment Group — Series D