Free On-line SMPS Design Tool
Issue 70, 1st December, 2010 
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TIPS on PowerEsim
Magnetic Builder

At Magnetic Builder Advanced Page, you can edit the value in the text box besides each winding to change the number of turn at that winding. In default setting, user can change each winding's number of turn separately without concerning any turn ratio relationship between each winding.
Once the value change the corresponding winding structure picture will be updated automatically too, user can immediately know how much space is left in the winding window.

Sometimes, you like to keep the turn ratio when changing one number of turn, so the other winding's number of turn will change according when one main turn is changing its absolute number of turn. This can be done by clicking the check box "Keep Turn Ratio" as shown above. The wanted turn ratio between each winding can be edit in the text box as shown above too.

What is New? Simulation & Design Counter: 6858750
Get transformer samples and quotation from Würth Elektronik at Magnetic Builder. New concise powerEsim front page is released.


BOM & Vendors

 BOM & Vendors is a tool to let user to construct the bill of material(BOM). User can add component to BOM one by one or if a power supply has been initialized, all its components and corresponding details will be seamlessly transferred to this tool. Every change on each component will be recorded. Revision number of the overall BOM and each component will be generated automatically.
Firstly, user can see the BOM in View Mode. In this mode, user can view the current revision's BOM and its revision history list. User can press to change from View Mode to Edit Mode.
User can modify the details in Edit Mode. User can add component to BOM by pressing "ADD" button. Finally, user can press to confirm this revision and then press to export the BOM in EXCEL format.

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