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| Company | Trenz Electronic GmbH |
|---|---|
| PCN Number | PCN-20220228 |
| Title | TE0720-03 to TE0720-04 Hardware Revision Change |
| Subject | Hardware Revision Change |
| Issue Date | 202203102022-03-11 |
Products Affected
This change affects all Trenz Electronic TE0720 SoMs of revision 03.
Affected Product | Replacement |
|---|---|
| TE0720-03- |
| * | TE0720-04- |
| * |
Changes
#1 Replace EN6347QI (U1) by MPM3840GQV-Z
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Type: Schematic Change
Reason: Part is EOLSupply chain optimization.
Impact: None.
#4 Replace BKP0603HS (L1, L2, L3, L4, L5, L7, L8) by MPZ0603S121HT000
Type: Schematic Change
Reason: Ferrid Ferrite bead are discontinued.
Impact: None.
#5
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Changed capacitor (C14)
Type: Schematic Change
Reason: DCDC was changed and capacitor with the same designator was used for other taskchange.
Impact: None. Designator changed.
#6 Changed voltage divider resistors (R21, R61) to set the threshold for U26.
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Impact: None, improved reset behaviour.
#7 Added power supervisor BD39040MUF (U27)
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Impact: None. If custom CPLD design used, check for compatibility.
#9 Connect BD39040MUF WatchDog to CPLD
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Type: Schematic Change
Reason: WatchDog connected for possible future use to CPLD.
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Impact: The length of the tracks has been changed. Pinot Pinout of Samtec B2B connectors is not affected. Changed trace length has to be taken into account in existing designs. The trace length for new revision are added to the 4x5 series pinout generator. Please, check if change in trace length still matches your requirements. Adaption of carrier may be necessary.
#19
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Changed schematic documentation.
Type: DOC Change
Reason: Improve connector documentationDocumentation optimization.
Impact: None.
#20 Added legal notices.
Type: DOC Change
Reason: Clarify copyright issues.
Impact: None. Schematic page number changes.
#21 Added revision change history.
Type: DOC Change
Reason: Record revision changes.
Impact: None. Schematic page number changes.
#22 Added system overview.
Type: DOC Change
Reason: Display system information.
Impact: None. Schematic page number changes.
#23 Added power diagram.
Type: DOC Change
Reason: Display power supply information.
Impact: None. Schematic page number changes.
#24 Change power page.
Type: DOC Change
Reason: Improve power documentation.
Impact: None. B2B information, legal notices, change history, system overview, power diagram and power page are inserted or changed. Schematic page number changes.
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The model code and revision number of the module "TE0720-04" are printed on the top side of the PCB for revision 04.
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