Modular PCB Design for Smart PBR


Task completed.

0:46

reviewed connectivity and routing status

0:36

Checking 8 design areas.
Checking 2 knowledge sources.
Reading schematic details.

fixed obvious power and output nets

3:20

Reading schematic details for U1, U2, Q1 and 49 more.
Checking 12 design areas.
  • Connected U1:FB to ^REG5_FB
  • Connected Q2:S to ^GND
  • Connected J2:2, J4:2 to ^VIN_12V
nets {
net GND = GND:GND, Q2:S, J14 Pin_6 - J15 Pin_6:GND, R3:P2, C4 P2 - C5 P2:GND, C3:P2, J9:Pin_1, J1:2, J7:Pin_1, C11:P2, U1:GND, J8:Pin_1, J12:1, J14:Pin_6, J14:Pin_2, C7:P2, C10:P2, Q1:S, C4:P2, C5:P2, J10:Pin_1, R1:P2, U2:GND, C6:P2, C1:P2, J13:1, C9:P2, J15:Pin_6, J11:1;
net PUMP_NEG = J4:1, D1:anode;
net REG5_SW = C2:P2, U1:SW;
net LED_BLUE_NEG = D2:cathode, Q2:D, J3:1;
net VIN_12V = J3:2, J4:2, J2:2, C9:P1, C1:P1, J1:1, U1:VIN, R7:P1;
net LED_RED_NEG = J2:1, Q1:D, D1:cathode;
net PWM_BLUE_GATE = Q2:G, R3:P1, R4:P2;
net BUCK_EN = R7:P2, U1:EN;
net REG5_CB = U1:CB, C2:P1;
net REG5_FB = U1:FB;
}
  • Set Layout's traceWidth to "0.20mm"
  • Set Layout's keepOut to "0.20mm"
  • Set Layout's boardInsetMargin to "0.50mm"

Execution stopped due to insufficient credits.

1:26

Getting a layout overview.
Started: setting pcb zoning and routing rules.

Started implementing a plan

#Goal

- Complete the remaining schematic connections and PCB routing of the ESP32 PBR Controller so that the design becomes prototype-ready.

#Implementation plan

1. Complete Schematic Connectivity

1. Review the power/output sections and connect any remaining components, ensuring proper connections between the power supply, regulators, sensors, and actuators.

2. Verify routing connections to test-points, headers, and connectors for complete signal continuity.

2. Organize PCB Zones

1. Divide the board into distinct areas for power, logic (ESP32 and control circuitry), analog sensing, and high-current outputs.

2. Clearly label each zone and review net assignments to avoid cross-zone interference.

3. PCB Routing

1. Apply layout guidelines specific to each zone, ensuring appropriate trace widths and clearance for power, signal, and high-current paths.

2. Use auto-routing to connect nets within each zone while manually reviewing critical paths, especially in power and high-current outputs.

3. Validate connectivity using design rule checks to ensure no unrouted or conflicting connections remain.

4. Final Review

1. Cross-check the schematic against the PCB layout ensuring all components are correctly routed and connected.

2. Update project documentation with the final schematic and board routing changes.

#Success criteria

- All schematic connectivity issues, especially in the power and output sections, are resolved.

- PCB is fully routed with axes segmented into power, logic, analog, and high-current zones.

- Design rule checks confirm a complete connection with no errors, making the design ready for prototype review.


Schematic of ESP32 PBR Controller

Schematic is Auto-placed

The schematic has been arranged automatically. Flux can redraw it to be more readable, with components placed in related groups and wires drawn more legibly. This takes about 10-60 mins.

ESP32 PBR Controller

ESP32 PBR Controller thumbnail