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| Company | Trenz Electronic GmbH |
|---|---|
| PCN Number | PCN-20230327 |
| Title | TE0745-02 to TE0745-03 Hardware Revision Change |
| Subject | Hardware Revision Change |
| Issue Date | 2023-0506-0127 |
Products Affected
This change affects all Trenz Electronic TE0745 SoMs: TE0745-02*.
Affected Product | Changes | Replacement |
|---|---|---|
| TE0745-02-71I31-A | #2...#33#32 | TE0745-03-71I31-A |
| TE0745-02-72I31-A | #2...#33#32 | TE0745-03-72I31-A |
| TE0745-02-81C31-A | #2...#33#32 | TE0745-03-81C31-A |
| TE0745-02-91C31-A | #2...#33#32 | TE0745-03-91C31-A |
| TE0745-02-92I31-A | #2...#33#32 | TE0745-03-92I31-A |
| TE0745-02-93E31-A | #2...#33#32 | TE0745-03-93E31-A |
| TE0745-02-93E31-AK | #2...#32 | TE0745-03-93E31-AK |
| TE0745-02-71I31-AK | #2...#33#32 | TE0745-03-71I31-AK |
| TE0745-02-73E31-A | #2...#33#32 | TE0745-03-73E31-A |
| TE0745-02-81C31-AK | #2...#33#32 | TE0745-03-81C31-AK |
| TE0745-02-92I31-AK | #2...#33#32 | TE0745-03-92I31-AK |
| TE0745-02-82I31-A | #2...#33#32 | TE0745-03-82I31-A |
| TE0745-02-71I31-AZ | #1...#33#32 | TE0745-03-71I31-A |
| TE0745-02-72I31-AZ | #1...#33#32 | TE0745-03-72I31-A |
| TE0745-02-81C31-AZ | #1...#33#32 | TE0745-03-81C31-A |
| TE0745-02-91C31-AZ | #1...#33#32 | TE0745-03-91C31-A |
| TE0745-02-92I31-AZ | #1...#33#32 | TE0745-03-92I31-A |
| TE0745-02-93E31-AZ | #1...#33#32 | TE0745-03-93E31-A |
| TE0745-02-92I31-B | #2...#34#33 | TE0745-03-92I31-A |
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Changes
#1 Changed DCDC MUN3CAD03-SE (U10, U13, U15, U19, U30, U31) to TPS82085SIL and adapted voltage divider resistors.
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Impact: None. Consider possibly I2C address conflicts before connecting DCDC (U4) to I2C bus.
#5 Increased voltage rating from 6.3 V to 25 V for capacitors C108, C142, C147, C148, and
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C149.
Type: BOM change
Reason: Functionality change for capacitor C108 and BOM optimization.
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Type: Schematic Change
Reason: Reset input signal protectionProtect manual reset pin.
Impact: None.
#7 Added series resistor R106 between CPLD (U2) pin 25 and signal "RST_IN_N".
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Reason: Use new clock revision.
Impact: None.
#10 Added testpoints (TP1...
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TP43).
Type: Schematic Change
Reason: Voltage supervision improvement.
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Type: Schematic Change
Reason: Use Xilinx AMD recommended power supply.
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Type: Schematic Change
Reason: Use Xilinx AMD recommendation for not used DXP/DXN pins.
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Impact: None. For assembled capacitor larger startup times are possible.
#19 Added decoupling capacitors C126
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...C131, C144, C150
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...C157.
Type: Schematic Change
Reason: Improve decoupling.
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Reason: Use standard fiducials.
Impact: None.
#30
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Signal trace lengths changed
Type:Documentation Update PCB change
Reason: Documentation improvement Result of changes above.
Impact: None.
#31 Update schematic template.
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Changed trace length have to be taken into account in existing designs. The trace length for new revision will be available in TE0745 series pinout generator. Please check if change in trace length still matches your requirements. Adaption of carrier may be necessary.
#31
Reason: Documentation improvement.
Impact: None.
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Updated power overview.
Type: Documentation Update
Reason: Documentation improvement.
Impact: None.
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#32 Removed page "ZYNQ.SchDoc" and added pages Legal Notices
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and System Overview.
Type: Documentation Update
Reason: Documentation improvement.
Impact: None.
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#33 Change PCB color from black to standard green.
Type: PCB Update
Reason: Standardization.
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Overview
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