File Review Request
Thought for 7 sec
I’ll read the attached instructions and apply them to the current project if they’re actionable, without recreating the schematic unless explicitly required.
Worked for 7 mins 53 sec
Blocked: your account currently has no available ACUs, so I can’t continue executing PCB edits or checks.
Accomplished this session:
- Read the new attachment and confirmed it is a continuation/polish request for the existing project.
- Re-ran board/routing checks.
- Identified the remaining ESP32 warning as two unnamed ESP32 footprint mount/dummy pads overlapping the real GND pad.
- Attempted a non-destructive fix by disabling those duplicate dummy pads, but the latest inspection still showed them active, so the issue remains unresolved.
Remaining work:
- Remove or correctly neutralize the two duplicate ESP32 dummy pads causing the GND/mount overlap.
- Re-run DRC and routing precheck.
- Continue verified low-voltage routing only, while keeping
BATTERY_POWER_MATRIX_CONCEPT_ONLYconceptual. - Update PCB Final Review Notes, Draft BOM, and Schematic Review Notes after final checks.
Fix ESP32 pads
Show overlapping pads
List DRC errors
Remove pads manually
Refine this doc
Ask about this doc
Draft BOM - Concept Model
Project: Universal Configurable 10-Battery Controller – Concept Model
Date: 2026-07-13
This draft BOM is for presentation/concept review only. Generic parts and placeholder footprints remain intentional.
Table
| Part / Group | Qty | Designators | MPN / Notes | Manufacturer / Notes |
|---|---|---|---|---|
| ESP32-S3-WROOM-1 | 1 | U1 | ESP32-S3-WROOM-1 | Listed manufacturer metadata requires later verification |
| USB-C receptacle | 1 | J11 | USB4105-GF-A | GCT |
| USB ESD protection | 1 | D6 | USBLC6-2SC6 | UMW |
| 3.3 V regulator | 1 | U2 | TLV1117LV33DCYR | Texas Instruments |
| Li-ion charger concept IC | 1 | U3 | MCP73831T-5ACI/OT | Microchip Technology |
| Analog multiplexers | 2 | U4, U5 | CD74HC4067M96 | TI |
| Screw terminal connectors | 11 | J1-J10, J12 | OSTTE020104 | On Shore Technology; used for cell/output concept connectors |
| MOSFET placeholders | 10 | Q1-Q10 | BSS138 | Placeholder only; not suitable as final high-current battery switch |
| NTC thermistors | 10 | RT1-RT10 | ABNTC-0603-103J-3950F-T / NCU18XH103F6SRB | Battery temperature concept sensing |
| Generic resistors | 66 | R1-R66 subset | Generic values shown in schematic | Includes dividers, LED resistors, pulls, gate/control placeholders |
| Generic capacitors | 9 | C1-C9 | Generic values shown in schematic | Decoupling/bulk placeholders |
| Tactile switches | 2 | SW1, SW2 | TS-1088-AR02016 | Boot/reset or UI controls |
| Status LEDs | 5 | D1-D5 | Generic LED 0603 | Concept indicators |
| Rotary encoder | 1 | ENC1 | PEC11J-9015F-S0024 | Bourns |
| OLED display | 1 | DISP1 | OLED 128 x 64 0.96 inch | Presentation UI module |
| Polyfuse | 1 | F1 | SMD050F-2 | Littelfuse |
BOM Notes
- This BOM is not procurement-ready.
- Placeholder components are intentionally used for concept visualization.
- BSS138 devices are visual MOSFET placeholders only and are not rated for a real 10-battery switching matrix.
- Final high-current switching, battery protection, charging, and safety components must be selected from verified electrical requirements before manufacturing.
BOM Notes
