Solution Finder Get Tech Support

PI Expert

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 2.8.6
  • Improvement in Planar Implementation and builder.
  • InnoSwitch3-EP 1250V Flyback Spreadsheet Update

Learn More

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

Version Updates

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

Full information includes stack specification, vertical and horizontal PCB construction, trace parameters, current density information, and layer resistance


Web Browsers Supported by PI Expert Online

Browser Version* Supported Limited Support** 
Internet Explorer 11   X
Edge >85 X  
Google Chrome >90 X  
Firefox >80 X  
Opera >70   X
Safari >5.17   X
*PI Expert Online will aim to support new versions as they become available.
** PI Expert requires HTML5. Older version browsers may not be
fully compatible.


Design Software Support Overview

Design Software
Support for
PI Products
PI ExpertPI xls

BridgeSwitch

 X19

DPA-Switch

X1X2

HiperLCS

 X5

HiperPFS

 X6

HiperPFS-2

 X6

HiperPFS-3

 X6

HiperPFS-4

 X6

HiperTFS-2

 X7

InnoSwitch4-CZ

 X1

InnoSwitch3-CE

X1X1

InnoSwitch3-CP

X1X1

InnoSwitch3-EP

X1X1

InnoSwitch3-Pro

X1X1

InnoSwitch3-EP 900 V

 X1

InnoSwitch3-AQ

 X1

InnoSwitch3-MX & InnoMux

 X1

InnoSwitch-CE

 X1

InnoSwitch-CH

 X1

InnoSwitch-CP

 X1

InnoSwitch-EP

 X1

InnoSwitch-EP 900 V

 X1

LinkSwitch-II

 X3

LinkSwitch-3

 X1

LinkSwitch-4

 X1

LinkSwitch-CV

X1X3

LinkSwitch-HP

X1X1

LinkSwitch-LP

 X1

LinkSwitch-PH

X1X8

LinkSwitch-PL

X1X15

LinkSwitch-TN

 X4

LinkSwitch-TN2

 X10

LinkSwitch-TNZ

 X4

LinkSwitch-XT

X1X1

LinkSwitch-XT2

 X1

LinkZero-AX

 X1

LinkZero-LP

 X1

LYTSwitch-0

 X12

LYTSwitch-1

 X16

LYTSwitch-2

 X1

LYTSwitch-3

 X10

LYTSwitch-4

 X13

LYTSwitch-5

 X14

LYTSwitch-6

X1X18

LYTSwitch-7

 X12

TinySwitch-III

X1X1

TinySwitch-4

X1X1

TinySwitch-LT

 X1

TOPSwitch-GX

 X1

TOPSwitch-HX

X1X1

TOPSwitch-JX

X1X1

NOTES:

  1. Only supported in the Flyback topology
  2. Supported in both the Flyback and Forward topologies
  3. Supported in both the Flyback and Tapped-Buck topologies
  4. Supported in Flyback, Buck and Buck-Boost topologies
  5. Supported in LLC Resonant topology
  6. Supported in Boost topology
  7. Supported in Two Switch Forward topology
  8. Supported in Flyback and Buck topologies
  9. Supported in Flyback, Tapped-Buck, Buck and Buck-Boost topologies
  10. Supported in Flyback, Buck, Buck-Boost and Tapped-Buck Boost topologies
  11. Supported in both the Flyback, Buck and Tapped-Buck topologies
  12. Supported in Buck topology
  13. Supported in Flyback, Buck, Buck Boost and Tapped-Buck topologies
  14. Supported in Flyback, Buck, Boost, Buck-Boost and Tapped-Buck Boost topologies
  15. Supported in Flyback, Buck, Boost, Buck-Boost and Tapped-Buck topologies
  16. Supported in Buck and Buck-Boost topologies
  17. Supported in Switched Valley-Fill PFC with Flyback topology
  18. Supported in Flyback and Switched Valley-Fill PFC with Flyback topologies
  19. Supported in Three-Phase Bridge topology