CompanyTrenz Electronic GmbH
PCN NumberPCN-20230110
TitleCR00103-02 to CR00103-03 Hardware Revision Change
SubjectHardware Revision Change
Issue Date

2023-01-17

Products Affected

This change affects all Trenz Electronic CR00103 SoMs: CR00103-02*.

Affected Product

Replacement
CR00103-02-ACR00103-03-A

Changes

#1 Replaced DCDCs EP53A7HQI/EP53A7HLI (U4, U6, U8, U10) by MPM3834CGPA.

Type: Schematic Change

Reason: EOL of Component.

Impact: None. Minor changes in electrical characteristics, e.g. changed switching frequency, maximum current capability is increased.

#2 Replaced priority power MUX TPS2121RUXR (U13) by priority power circuit based on MOSFETs AON2803 (T1, T3) and BSD840NH6327XTSA1 (T2) or AO7800 (T2).

Type: Schematic Change

Reason: BOM Optimization.

Impact: None. Minor changes in electrical characteristics.

#3 Added circuit for DCDC MPM3834CGPA (U4) to select output voltage VADJ (1.2V or 1.8V).

Type: Schematic Change

Reason: Enable output voltage selection.

Impact: None. Minor changes in electrical characteristics.

#3 Added testpoints (TP1...TP14).

Type: Schematic Change

Reason: Voltage supervision improvement.

Impact: None.

#4 Updated components from library.

Type: Schematic Change

Reason: Use latest component data.

Impact: None.

#5 Added UKCA logo.

Type: PCB Change

Reason: Requiered for export to UK.

Impact: None.

#6 Updated page numbering.

Type: Documentation Update

Reason: Page numbering improvement.

Impact: Page six to eight is moved to page five to seven.

#7 Updated revision history.

Type: Documentation Update

Reason: Updated revision history.

Impact: None.


Method of Identification

The revision number is printed on the top side of the PCB.


Production Shipment Schedule

This change takes place with immediate effect. If the new revision is not suitable for your application and still the former revision of the board is needed, please contact us.


Contact Information

If you have any questions related to this PCN, please contact Trenz Electronics Technical Support at

Disclaimer

Any projected dates in this PCN are based on the most current product information at the time this PCN is being issued, but they may change due to unforeseen circumstances.  For the latest schedule and any other information, please contact your local Trenz Electronic sales office, technical support or local distributor.

This PCN follows JEDEC Standard J-STD-046.

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