The Enpirion product line has been the "go to" for our DC/DC converter needs for many years. It was first used in the RCE generation 3 development 10+ years ago because of its low PCB footprint area.  After the RCE development, we have been using it for other TID-ID related designs (LCLS-II, LCLS DAQ, LDMX, LSST, etc).

Original Enpirion was owned by Altera.  Altera was bought by Intel.  In September 2021, Intel announced that it will

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depreciate their entire "Enpirion" product line with no replacement OPN

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.  The last time to buy was March 18, 2022.

In September 2021, we did a survey of all TID-ID PCB BOMs to identify which ones were using Enpirion product line.  After identifying the PCB designs using this DC/DC converter, we contacted all the PCB designers to determine the following:

• Is this an "active" design that they plan to make more of?
• If not, is this an "active" design that they do NOT plan to make more of?
• If not, is this a non-active design?

From that questionnaire we have create tables for those 3 category types below

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Active projects that we WILL build more boards of

• These are active projects that we need to get the PCB design updated to not use Enpirion
• Requires new schematics and respin of layout

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Active Project that we are MAY build more boards of (NEED Enpirion spares)

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Inactive Projects that we are NOT planning to build more boards of

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Recommended Part Replacements (not drop-in replacements)

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