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 2.9.3
- PF and THD estimates for families with PFC support (InnoSwitch4-Pro and InnoSwitch5-Pro) in PI Expert
- InnoSwitch4-CZ now supports designs with output voltage up to 28 V in PI Expert
- The Magnetics Component Database now displays charts for loss data of the magnetics materials
- InnoSwitch4-Pro, InnoSwitch5-Pro and InnoSwitch3-AQ design schematics can now be exported to OrCAD, Altium, EAGLE, KICAD, PADS, etc.
- BridgeSwitch families now support dynamic schematics based on inputs in PI Xls Designer.
New in version 2.9.2
- Thermal Data graph for InnoSwitch3-AQ Design Evaluation
- Planar Implementation and builder - Add panel to the Gerbers option
- Schematic Export support for InnoSwitch4-Pro and InnoSwitch5-Pro
- Static Schematic for BridgeSwitch PIXls
New in version 2.9.1
- Support for InnoSwitch5-Pro in PI Expert (SR ZVS Operation with DCM Only Operation)
- Built using the latest simulation engine
- Two-stage topology (Boost + Flyback). Boost converter can be configured as a Boost-Follower (like the implementation in RDR1002)
- Support for new EMI configurations as used in bench designs
- Design Evaluation can produce an estimated CoC and Doe Efficiency plot for InnoSwitch5-Pro.
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.
- Design Evaluation can produce an estimated CoC and DOE Efficiency plot for InnoSwitch4-Pro flyback
Learn More
- PI Expert FAQs
- Watch this 9-part video series covering everything you need to know to start using PI Expert:
Ep. 1: PI Expert - Design Wizard Takes You from Specifications to Complete Designs
Version Updates
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
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 requires HTML5. Older version browsers may not be
fully compatible.
Design Software Support Overview
| Design Software Support for PI Products | PI Expert | PI xls |
|---|---|---|
| BridgeSwitch | X19 | |
| BridgeSwitch-2 | X19 | |
| DPA-Switch | X1 | X2 |
| HiperLCS | X5 | |
| HiperLCS-2 | X5 | |
| HiperPFS-3 | X6 | |
| HiperPFS-4 | X6 | |
| HiperTFS-2 | X7 | |
| InnoSwitch5-Pro | X1 | |
| InnoSwitch4-CZ | X1 | |
| InnoSwitch4-CZ USB PD | X1 | |
| InnoSwitch4-Pro ACF | X1 | |
| InnoSwitch4-Pro QR | X1 | |
| InnoSwitch4-QR | X1 | |
| InnoSwitch3-CE | X1 | X1 |
| InnoSwitch3-CP | X1 | X1 |
| InnoSwitch3-EP | X1 | X1 |
| InnoSwitch3-TN | X1 | |
| InnoSwitch3-Pro | X1 | X1 |
| InnoSwitch3-PD | X1 | X1 |
| InnoSwitch3-EP 900 V | X1 | |
| InnoSwitch3-EP 1250 V | X1 | |
| InnoSwitch3-AQ | X1 | |
| InnoMux2-EP | X1 | |
| InnoMux2-EP 1700 V | X1 | |
| InnoMux2-BL and IML204 | X1 | |
| LinkSwitch-3 | X1 | |
| LinkSwitch-4 | X1 | |
| LinkSwitch-CV | X1 | X3 |
| LinkSwitch-HP | X1 | X1 |
| LinkSwitch-LP | X1 | |
| LinkSwitch-TN | X4 | |
| LinkSwitch-TN2 | X10 | |
| LinkSwitch-TNZ | X4 | |
| LinkSwitch-XT2 | X1 | |
| LinkSwitch-XT2 900 V | X1 | |
| LinkSwitch-XT2SR | X1 | |
| LinkZero-AX | X1 | |
| LinkZero-LP | X1 | |
| LYTSwitch-0 | X12 | |
| LYTSwitch-4 | X13 | |
| LYTSwitch-5 | X14 | |
| LYTSwitch-6 | X1 | X18 |
| TinySwitch-III | X1 | X1 |
| TinySwitch-4 | X1 | X1 |
| TinySwitch-LT | X1 | |
| TOPSwitch-GX | X1 | |
| TOPSwitch-HX | X1 | X1 |
| TOPSwitch-JX | X1 | X1 |
NOTES:
- Only supported in the Flyback topology
- Supported in both the Flyback and Forward topologies
- Supported in both the Flyback and Tapped-Buck topologies
- Supported in Flyback, Buck and Buck-Boost topologies
- Supported in LLC Resonant topology
- Supported in Boost topology
- Supported in Two Switch Forward topology
- Supported in Flyback and Buck topologies
- Supported in Flyback, Tapped-Buck, Buck and Buck-Boost topologies
- Supported in Flyback, Buck, Buck-Boost and Tapped-Buck Boost topologies
- Supported in both the Flyback, Buck and Tapped-Buck topologies
- Supported in Buck topology
- Supported in Flyback, Buck, Buck Boost and Tapped-Buck topologies
- Supported in Flyback, Buck, Boost, Buck-Boost and Tapped-Buck Boost topologies
- Supported in Flyback, Buck, Boost, Buck-Boost and Tapped-Buck topologies
- Supported in Buck and Buck-Boost topologies
- Supported in Switched Valley-Fill PFC with Flyback topology
- Supported in Flyback and Switched Valley-Fill PFC with Flyback topologies
- Supported in Three-Phase Bridge topology



