PI Expert Online is a web-based program that
takes your specifications and automatically generates a power conversion solution.

• New products added as they become available
• Software updates and new features added automatically
• No download or installation required

PI Expert Online provides everything necessary to build and test a working prototype.

• Comprehensive Transformer Construction Report – a "ready-to-build" solution
• Electrical and Mechanical Diagrams
• Winding Instructions
• Bill of materials (BOM)
• Board layout recommendations

New in version 2.9

• Support for InnoSwitch3-AQ Automotive Flyback in PI Expert 
• The Bill of Materials tab in PI Expert has been refreshed – The BOM report for DigiKey and Mouser is now built into the tool instead of opening in an external browser. 
• Refreshed File Manager with support for file operations via the right-click context menu. 
• Design Report in PI Expert is now displayed side-by-side in a highly compact manner.  

Start Designing

• PI Expert FAQs
• Watch this 9-part video series about PI Expert:
  Ep. 1: PI Expert - Design Wizard Takes You from Specifications to Complete Designs

Like PI Expert Online, PI Expert Suite, PI's legacy power supply design tool, gives you all of the necessary information to build and test a working prototype.

• No need for an Internet connection
• Updates made on a regular basis

New in version 2.8.6

• Improvement in Planar Implementation and builder.
• InnoSwitch3-EP 1250V Flyback Spreadsheet Update

New in version 2.8.3

• HiperPFS5 + InnoSwitch4-Pro in PI Expert Fixes and Improvements
• File Manager redesign
• InnoSwitch3-TN Flyback Spreadsheet Update
• InnoSwitch4-QR Flyback Spreadsheet Update

New in version 2.8.2

• HiperPFS5 + InnoSwitch4-Pro in PI Expert Fixes and Improvements
• LinkSwitch-HP schematic export support
• Main page redesign

New in version 2.8.1

• HiperPFS5 + InnoSwitch4-Pro in PI Expert Fixes and Improvements
• PIXls main spreadsheet view GUI improvement
• TinySwitch-III, TinySwitch – IV schematic export support

New in version 2.8.0

• HiperPFS5 + InnoSwitch4-Pro in PI Expert
• Improvement and bug fixes (?)

New in version 2.7.10

• 2-sectional bobbin support improvements
• PIXls design interface improvements for Trf Construction tab
• Hiper LCS2 spreadsheet update

New in version 2.7.8

• Schematic export support for TopSwitch-HX
• Planar transformer support for multiple output supporting spreadsheets
• 2-sectional bobbin support 
• Spreadsheet Update
  • TinySwitch-4 Flyback Spreadsheet Update
  • LinkSwitch-XT2SR Flyback Spreadsheet Update
  • InnoSwitch3-CP Flyback Spreadsheet Update
  • InnoSwitch3-Pro Flyback Spreadsheet Update
  • InnoSwitch3-PD Flyback Spreadsheet Update
  • InnoSwitch3-AQ Flyback Spreadsheet Update

New in version 2.7.7

• Schematic Export 
• LinkSwitchXT2-SR Flyback spreadsheet
• LinkSwitchXT2-900V Flyback spreadsheet update

New in version 2.7.5 

• Wire Wound component 
• Parallel Split for Primary Winding
• New Look for Board Layout Tab
• Read-only mode support for Transformer engine 2.0 PIXls designs
• DPA devices removing
• Extra text message on Schematic – Preload resistor

New in version 2.7.4

• PIXls Planar Transformer Support
• Single Side Pins
• Unique (all different) enclosures

New in version 2.7.3

• Planar TRF Improvements
• Universal Core DB for PI XLs support update

New in version 2.7.2

• Planar TRF Improvements
• PIXls New Look & Feel
• PIXls MDB 2.0 support update
• PIXls Spreadsheets update
  • InnoSwitch3-CE Flyback
  • InnoSwitch3-CP Flyback
  • InnoSwitch3-EP Flyback
  • InnoSwitch3-TN Flyback
  • InnoSwitch3-Pro Flyback
  • InnoSwitch3-PD Flyback
  • InnoSwitch3-EP 900V Flyback
  • InnoSwitch3-EP 1700V Flyback
  • InnoSwitch3-AQ Flyback

New in version 2.7.1

• Planar TRF Improvements
• Magnetics DB 2.0 for PIXls support 
• LinkSwitch-TN2 Automotive Flyback Spreadsheet Update 
• InnoSwitch3-Pro Flyback spreadsheet 
• InnoSwitch-3 UVOV Calculation update
• InnoSwitch-4 ACF and QR update with min on-time calculations

New in version 2.7

• PI Expert now supports the entire InnoSwitch3 family
• New planar magnetics builder generates an application-specific transformer design within a minute.
  • Planar transformers enable slimmer profile flyback designs of chargers and adapters
  • Complete with printed circuit board (PCB) manufacturer-ready documentation and Gerber files