Launcher Controller Circuit Design
0:00
Work completed
- Project description updated with verbose summary and relevant hashtags
- System architecture defined via Mermaid flowchart and added to project property, then displayed
- Added major active components: USB-C receptacle, U1, U2, U3, U4
- Added power passives: polyfuse, TVS diode, L_MP2315, C_IN_MP2315, C_OUT_MP2315_10uF, C_OUT_MP2315_0.1uF, C_BULK_ESP32, C_DEC_ESP32
- Added connectivity components: JST XH connectors J1–J4 (motors), J5 (servo), off-board switch connectors, onboard reset SW1, and generic potentiometer R1
- Wired reset button and potentiometer to ESP32-C3 RST, GND, 3V3, and GPIO2
- Reviewed and updated passive ratings:
- C_IN_MP2315 → 25 V
- All 5 V-rail caps → 16 V
- L_MP2315 current rating → 4 A
- R1 → 10 kΩ, 0.25 W
- Researched and set voltage ratings for MP2315, CH224K, and ESP32-C3 to their datasheet limits
- Set footprints on MP2315 (TSOT23-8) and TB6612FNG (SSOP-24); configured R1’s package; set board stackup to Standard 4 Layer
- Paused for user review of board size and mounting solution
Tasks I cannot perform
- Replace CH224K or TB6612FNG/MP2315 based on voltage-rating criteria
- Assign footprints to the USB-C receptacle, CH224K, and ESP32-C3 module
- Retrieve PCB layout extents, calculate board dimensions, and resize the board
- Add mounting holes and assign power/ground pours
Success criteria status
- USB-C PD path with polyfuse/TVS and CH224K: not fully configured or routed
- MP2315 step-down design: components placed but nets not routed
- TB6612FNG motor connections: connectors placed but VM and motor nets not wired
- Servo and ESP32-C3 power rails: connectors placed but rails not routed
- Off-board switches: connectors placed but nets not routed
- Passive/protection components: ✔️ selected and rated appropriately
Recommended next step
Complete final net wiring and organization:
- Route 12 V rail from CH224K → TB6612FNG VM and MP2315 VIN
- Route 5 V rail to ESP32-C3 VDD, servo connector, TB6612FNG logic, and switches
- Star-connect all grounds and place decoupling caps close to ICs
Once wiring is complete, proceed to schematic review (flux-agentic-workflow step “Schematic review”).
130 days
so where's the pcb? I was under the impression that I would have a schematic and pcb designed for use once you were complete. If not, then I have wasted credits on you not doing what I asked?
130 days
1:31
Explaining layout rules.
Assessing schematic components.
Planning PCB design.
Accessing knowledge base.
Preparing an urgent plan.
You want a finished schematic and a PCB ready to use. I can create the full schematic and prepare the PCB, then you run Auto‑Layout and routing.
Here’s the plan I’ll execute now:
- Add and wire USB‑C Receptacle, CH224K (12V/36W), MP2315, TB6612FNG, ESP32‑C3 Module, JST XH (2‑pin×2, 3‑pin), off‑board switch JSTs, Polyfuse, TVS Diode.
- Make all net connections (12V and 5V rails, grounds), add CH224K config resistors, decoupling and bulk caps, onboard reset.
- Assign/verify footprints and sync to PCB; set board size so it’s ready for placement/routing.
Click Start on the plan bar and I’ll proceed.
Clarify expectations
Constrain board size
Connector details
Power limits
ESP32 IO mapping
130 days
Ready to start.
Show Plan
Reviews
- Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portaljharwinbarrozo43.0M
- Wirelessly connects power nets on schematic. Identical to the net portal, but with a power symbol. Used to organize schematics and separate functional blocks. To wirelessly connect power net portals, give them the same designator. #portal #powerjharwinbarrozo11.4M
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