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Basic Info


Contact Information

If you have any quesion, you can contact us:
Taiwan China / Hong Kong Southeast Asia
Name: Cindy Dong
Tel: (86-755) 8294-3322 ext 325


Our R&D team pioneers advanced design methodology in delivering innovative portable power solutions. Active-Semi's core ActivePMUTM 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 ActivePSRTM 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 analog semiconductor experts, delivering a powerfully unique, innovative product portfolio. Active-Semi ships 50 million power ICs per quarter and continuously develops new intellectual property to provide leading edge solutions with over 70 patents granted, pending, or provisional.

"Team Active" currently comprises more than 140 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.