Opal Kelly issues this PCN to existing customers of the listed product(s) to inform them of changes and/or updates that may affect current inventory or current and future applications of the product.

Issue Date

24 February 2022

Affected Parts

The following items are affected by this PCN:

  • XEM7001-A15

PCB revisions EXX and later are affected by this PCN. Revisions 20160725 and earlier are not affected by this change. The PCB revision is indicated in silkscreen in the location shown below

Revisions 20160725 and earlier are not affected.

Revisions EXX and later are affected.

Reason for the Change

The Intel Enpirion family of power modules has been discontinued by the manufacturer. Intel EN5311QI is used on the XEM7001-A15 to generate the on-board 3.3V and 1.0V supplies. Opal Kelly has identified suitable replacement parts for these supplies.

Description of the Change

The Enpirion devices on the XEM7001-A15 are being replaced as described in the table below.

ReferenceVoltageApplicationOriginal P/nReplacement P/N
U33.3 VFPGA VCCO_0, VCCO_14, VCCO_15, VCCO_16 supply
Cypress FX2 supply
Intel EN5311QIRenesas ISL8012IRZ
U51.0 VFPGA VCCINT and VCCBRAM supply Intel EN5311QI Renesas ISL8012IRZ