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WEBENCH® Tools/LM2670: Why selectable parts are restricted in WEBENCH Power Architect?

Part Number: LM2670

Tool/software: WEBENCH® Design Tools

Hi team,

Our customer inquired following issue.

 

I am using Power Architect in WEBENCH (Firefox with Flash plugin) and I want to setup the power tree for my PCB design using the LM2670 and several other specific TI switchers and regulators. I can setup the sources and loads and get a result but WEBENCH is only allowing me to select from small set of available parts. The parts I want to use seem to be available in WEBENCH because I can kick off a single switching supply simulation without issues.