Active-Semi means innovation. From power management ICs that enhance mobile equipment performance to energy-saving power conversion architectures, our products exceed the demands of today's advanced power applications.

Our R&D team pioneers advanced design methodology in delivering innovative portable power solutions. Active-Semi's core ActivePMU^TM platform of digital and programmable Power Management Unit (PMU) ICs revolutionize today's power design and management in portable equipment such as smart phones, portable navigation devices, and personal media players. Our multiple patent-pending designs result in a wide range of products and solutions that deliver the highest integration, best performance, fastest time to market, and smallest foot print. These ActivePMUs are optimized for supplying to and managing power in applications where maximum battery life and smallest size are paramount, especially systems using today's most advanced mobile processors.

Our ActivePSR^TM family of digital Primary-Side Regulation (PSR) controllers simplify today's AC/DC designs with low component-count, and exceed all green power efficiency standards.

Founded in 2004 in Silicon Valley, California, Active-Semi has assembled an international team of industry experts, and delivered a differentiating innovative product portfolio. We continuously develop new intellectual property-18 patents have been filed-to provide leading edge solutions. Our engineering team uncompromisingly pursues industry's highest quality standard in product design and production.

"Team Active" currently comprises more than 170 people in the United States and worldwide. We have established advanced research and development centers, ISO9001:2000 certified operation, and sales presence in the United States, Europe, Korea, People's Republic of China, Hong Kong, and Taiwan.

The Active-Semi logo, ActivePMU^TM, and ActivePSR^TM are trademarks of Active-Semi International, Inc., Scotia Centre, P.O. Box 268GT, Grand Cayman, Cayman Islands.