Technical Support

Ask a PI Engineer

On-line support about general technical issues is available in our Ask a PI Engineer Forum

PI Expert Suite Software

On-line support for PI Expert Suite Software is available in our PI Expert Suite Software Forum

By Phone

For the United States and World

Phone: (408) 414-9660
Fax: (408) 414-9760

For India and Southeast Asia

Phone: 2237-2252 (within Bangalore, India)
           +91-80-2237-2252 (outside India)

Contact: Bhaskar Thiagarajan (, Manager, Special Projects, PI-India

For sales or purchasing questions, please contact your local Power Integrations sales office or distributor location.

In China (中国 )


电话号码: 86-755-8379-3243


电话号码: 86-21-6354-6323


电话号码: 86-28-8676-3012

Additional Support:

Technical Forum for Power Supply Designers in China: