Project Spec Refinement

marauder3

marauder3

Review schematic and DRC issues, finalize the power budget, then optimize placement without routing.

flux

I’ll audit the schematic and current ERC/DRC findings, resolve issues that affect layout readiness, finalize the power budget in the project files, then optimize component placement while leaving every net unrouted.
Created a project doc

Power Budget

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Power Budget Scope and assumptions
Datasheet-grounded planning budget for the 3.3 V rail and 1S LiPo/USB sources. Battery capacity and OLED model are unspecified, so runtime is expressed parametrically and OLED current is an explicit allowance, not a claimed value. Values are estimates until verified on assembled hardware.
  • Battery usable range: 3.0–4.2 V, protected 1S LiPo; capacity Cbat mAh remains TBD.
  • 3.3 V rail: TPS63070 in power-save mode; 54 µA typical VIN quiescent current and 5 µA typical VOUT quiescent current from the datasheet test condition.
  • Conversion assumptions: 85% conservative at 3.0 V for peak sizing; 90% planning efficiency for moderate active loads. At sleep currents, efficiency is not used; quiescent and leakage currents are added directly.

flux

Blocked because no ACUs are currently available, so the schematic review, DRC remediation, finalized power budget, and placement optimization could not be executed. No schematic, PCB, routing, or project-file changes were made; routing remains untouched.
Resolve ACU limitation
Document power assumptions
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  • Generic Inductor
    Generic Inductor
    A generic fixed inductor suitable for rapid circuit topology development. The footprint automatically adapts based on the selected package, supporting standard SMD sizes (e.g., 0402, 0603, 0805) as well as well-known inductor packages such as SDR1806, PA4320, SRN6028, and SRR1260. Standard inductor values: 1.0 nH, 10 nH, 100 nH, 1.0 µH, 10 µH, 100 µH, 1.0 mH 1.2 nH, 12 nH, 120 nH, 1.2 µH, 12 µH, 120 µH, 1.2 mH 1.5 nH, 15 nH, 150 nH, 1.5 µH, 15 µH, 150 µH, 1.5 mH 1.8 nH, 18 nH, 180 nH, 1.8 µH, 18 µH, 180 µH, 1.8 mH 2.2 nH, 22 nH, 220 nH, 2.2 µH, 22 µH, 220 µH, 2.2 mH 2.7 nH, 27 nH, 270 nH, 2.7 µH, 27 µH, 270 µH, 2.7 mH 3.3 nH, 33 nH, 330 nH, 3.3 µH, 33 µH, 330 µH, 3.3 mH 3.9 nH, 39 nH, 390 nH, 3.9 µH, 39 µH, 390 µH, 3.9 mH 4.7 nH, 47 nH, 470 nH, 4.7 µH, 47 µH, 470 µH, 4.7 mH 5.6 nH, 56 nH, 560 nH, 5.6 µH, 56 µH, 560 µH, 5.6 mH 6.8 nH, 68 nH, 680 nH, 6.8 µH, 68 µH, 680 µH, 6.8 mH 8.2 nH, 82 nH, 820 nH, 8.2 µH, 82 µH, 820 µH, 8.2 mH #generics #CommonPartsLibrary
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  • Generic Capacitor
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  • Generic Resistor
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315 MHz ESP32-S3 Wireless Node thumbnail
Four-layer ESP32-S3 and 315 MHz CC1101 LiPo wireless node with remote USB, OLED, and controls.

Properties

Properties describe core aspects of the project.

Pricing & Availability

Distributor

Qty 1

Arrow

$6.11–$8.42

Digi-Key

$4.84

HQonline

$1.45–$1.57

LCSC

$8.23–$8.39

Mouser

$18.18–$18.22

TME

$5.03

Verical

$5.24–$17.50

Controls