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Task #3566

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PCB Design

Task #3566: PCB Design

Added by Thomas Joseph 4 months ago. Updated 14 days ago.

Status:
Resolved
Priority:
High
Assignee:
Start date:
04/06/2026
Due date:
09/06/2026 (about 3 months late)
% Done:

100%

Estimated time:
Spent time:

Updated by Thomas Joseph 3 months ago Actions #1

  • Due date changed from 28/05/2026 to 09/06/2026
  • Priority changed from Normal to High
  • Start date changed from 25/05/2026 to 04/06/2026

Updated by Bhavani M 3 months ago Actions #2

  • Status changed from New to In Progress
  • % Done changed from 0 to 10

Updated by Bhavani M 3 months ago Actions #3

  • % Done changed from 10 to 30

https://elpisit.sharepoint.com/:u:/s/EmbeddedFiles/IQA94I9NMkNVRo7-1SzB39q_AT1uhr6ZluF_wToYPoPmJ7k?e=D8ye5o

Footprint created which is unavailable, component placement was completed except USB.
Design file uploaded in onedrive and link was attached.

Updated by Bhavani M 3 months ago Actions #4

  • % Done changed from 30 to 40

Updated by Bhavani M 3 months ago Actions #6

  • % Done changed from 40 to 60

Updated by Bhavani M 3 months ago Actions #7

https://elpisit.sharepoint.com/:f:/s/EmbeddedFiles/IgCM6LeU31DVS7p49SPPVSs3AY4bFtI6qSEylyFAjqmItbE?e=p3TSk1

Lcd Connector, USB A, debug conn placement rearrange according to review, differential pairs (High speed signals) routing was completed.

Updated by Bhavani M 3 months ago Actions #8

  • % Done changed from 60 to 40

https://elpisit.sharepoint.com/:u:/s/EmbeddedFiles/IQBqWOTOxoOpQI_bIwz42js0AXC9Jsgo-FwH38YAcMhBZPY?e=g5Avq9

LCD Connector placement changed, SD card and LCD routing was completed.

Updated by Bhavani M 3 months ago Actions #10

https://elpisit.sharepoint.com/:u:/s/EmbeddedFiles/IQDW4tFrbURoSqX8bVEyFG0rAaT7dxUg-v4pphuDqRDA5HQ?e=QLdkEx

PDN routing was completed, reset, wakeup switches, Super cap and LED's components was placed.

Updated by Bhavani M 2 months ago Actions #11

  • % Done changed from 40 to 50

https://elpisit.sharepoint.com/:u:/s/EmbeddedFiles/IQC-CiOiTb25RY35ot3UH9rHAa9Gfr3_Qy6WwnAhAYdApGM?e=HFMV1R

Lcd connector, SD card placement changed and Differential pairs routing was completed according to review.

Review Comments

Module bottom side placement is ok
move module towards J12
move sd card towards q1
move lcd connector towards J6 and j7
route ethernet both pairs through bottom
micro USB also through bottom
TypeA USB through top as shown here.

Updated by Bhavani M 2 months ago Actions #12

  • % Done changed from 50 to 60

Updated by Thomas Joseph 2 months ago Actions #14

Design Review

Updated by Bhavani M 2 months ago Actions #15

https://elpisit.sharepoint.com/:u:/s/EmbeddedFiles/IQBOo63eVb6QR6N-b7OqUVdJASWBBOrwNcrTnDOuQfiwhYI?e=voq6cA
Updated Review points.

Review Points

  1. Check Power Rail- track width and via size based on power budget.--Done
  2. All module power pins should be provided with the respective decoupling capacitor.----Done
  3. Create Via keepout around the module.--Done
  4. Refer Datasheet layout guidelines or EVM for PDN routing.
  5. Add Via keepout and Route keepout inside pins for 0402,0603 Components.--Done
  6. Adjust Design outline size in multiples of 5.-- Done_Updated size is 120*88.
  7. Add Fab details in PCB.
  8. Differential pair length calculate in Excel sheet.
  9. Add GND vias for high speed signals while layer change.
  10. Refer EVM for TVS Diode layout.

Updated by Bhavani M 2 months ago · Edited Actions #16

https://elpisit.sharepoint.com/:u:/s/EmbeddedFiles/IQChxHt10dUUT7YPyqsry1BrATXCr7XNFCxL27kbYjebtVQ?e=SFlFe1

Review Points

  1. Refer Datasheet layout guidelines or EVM for PDN routing.
  2. Add Fab details in PCB.
  3. Differential pair length calculate in Excel sheet.--Ethernet DIFF were completed, Usb diff lines need to calculate.
  4. Add GND vias for high speed signals while layer change.
  5. Refer EVM for TVS Diode layout.--done

Updated by Bhavani M 2 months ago Actions #17

https://elpisit.sharepoint.com/:u:/s/EmbeddedFiles/IQDK4e18mGT0TIQdSVk5nWbcAQ2kVqOoMXDt5U7Vno3GC8Q?e=ahOwzl

Refer Datasheet layout guidelines or EVM for PDN routing. --Done
Add Fab details in PCB.--Done
Differential pair length calculate in Excel sheet.--Done
Excel was attached--https://elpisit.sharepoint.com/:x:/s/EmbeddedFiles/IQDSYAleOAvNS72xs6zS5tILAVuzf1Mi4-3F3uGNLTXsV2w?e=as7uM5

Add GND vias for high speed signals while layer change.--Done

All review comments were updated.

Updated by Bhavani M 2 months ago Actions #18

  • % Done changed from 80 to 90

Updated by Thomas Joseph about 1 month ago Actions #22

Design Reviewed, Schematic updated

Updated by Bhavani M 14 days ago Actions #23

  • Status changed from In Progress to Resolved
  • % Done changed from 90 to 100
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