# Fine Orange Interocitor ## Description True 4-Layer 2 oz Copper Scanner Head PCB with 28 Luddite_Coil_8mm Multilayer 8 mm OD Square Spiral Coils in a 2×14 Grid, 12 mm×18 mm Pitch, Individual MOSFET Drivers and Flyback Diodes per Coil, Bottom Layer Kept Component-Free #Luddite_Coil_8mm #2x14Grid #4Layer2Oz #CoilArray ## Project Details - **Owner:** heimatlos - **Created:** 1/31/2026 - **Last Updated:** 1/31/2026 - **Visibility:** Public - **Net Classes:** {"power": ["VCC", "GND"], "signal": ["SER", "SRCLK", "RCLK", "OE", "MR", "SDA", "SCL"]} - **DRC Issues:** [] - **Stackup:** Standard 4 Layer (Top/Inner1/Inner2/Bottom) with 2 oz copper - **ERC Floating Pin Violations:** [] - **ERC Unconnected Wire Endpoints:** [] - **PowerTraceWidth:** 1.5mm - **System Architecture:** ```mermaid flowchart TD ludditeGrid["Luddite_Coil_8mm 2x14 Coil Grid"] --> mosfetArray["MOSFET Driver Array"] mosfetArray --> vccRail["VCC Rail"] ``` ## Key Components ### D1 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Manufacturer Name: SHIKUES(时科) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: B5819W - Role: Flyback / Freewheeling - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Diode Type: Schottky Diode - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Part Type: Schottky Barrier Diodes (SBD) - Forward Voltage: 0.45V at 1AV - LCSC Part Number: C109213 - Role Details: Flyback diode for part Q1, anode to Q1:D, cathode to VCC - Max Reverse Voltage: 40V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf **Pins:** - A [pin 2] - K [pin 1] ### D10 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Role: Flyback / Freewheeling - Manufacturer Name: SHIKUES(时科) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: B5819W - Diode Type: Schottky Diode - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - LCSC Part Number: C109213 - Part Type: Schottky Barrier Diodes (SBD) - Forward Voltage: 0.45V at 1AV - Max Reverse Voltage: 40V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Role Details: Flyback diode for part Q10, anode to Q10:D, cathode to VCC **Pins:** - A [pin 2] - K [pin 1] ### D11 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Role Details: Flyback diode for part Q11, anode to Q11:D, cathode to VCC - Manufacturer Name: SHIKUES(时科) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: B5819W - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Diode Type: Schottky Diode - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - LCSC Part Number: C109213 - Part Type: Schottky Barrier Diodes (SBD) - Forward Voltage: 0.45V at 1AV - Max Reverse Voltage: 40V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Role: Flyback / Freewheeling **Pins:** - A [pin 2] - K [pin 1] ### D12 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Max Reverse Voltage: 40V - JLCPCB Part Class: Extended Part - Manufacturer Name: SHIKUES(时科) - Role Details: Flyback diode for part Q12, anode to Q12:D, cathode to VCC - Forward Voltage: 0.45V at 1AV - Part Type: Schottky Barrier Diodes (SBD) - LCSC Part Number: C109213 - Role: Flyback / Freewheeling - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Diode Type: Schottky Diode - Manufacturer Part Number: B5819W **Pins:** - A [pin 2] - K [pin 1] ### D13 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Role Details: Flyback diode for part Q13, anode to Q13:D, cathode to VCC - LCSC Part Number: C109213 - Part Type: Schottky Barrier Diodes (SBD) - Forward Voltage: 0.45V at 1AV - Manufacturer Part Number: B5819W - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Diode Type: Schottky Diode - Role: Flyback / Freewheeling - Manufacturer Name: SHIKUES(时科) - JLCPCB Part Class: Extended Part - Max Reverse Voltage: 40V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf **Pins:** - A [pin 2] - K [pin 1] ### D14 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Diode Type: Schottky Diode - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Role: Flyback / Freewheeling - Manufacturer Part Number: B5819W - Role Details: Flyback diode for part Q14, anode to Q14:D, cathode to VCC - Forward Voltage: 0.45V at 1AV - LCSC Part Number: C109213 - Part Type: Schottky Barrier Diodes (SBD) - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - JLCPCB Part Class: Extended Part - Manufacturer Name: SHIKUES(时科) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Max Reverse Voltage: 40V **Pins:** - A [pin 2] - K [pin 1] ### D15 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Role Details: Flyback diode for part Q15, anode to Q15:D, cathode to VCC - Max Reverse Voltage: 40V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Manufacturer Part Number: B5819W - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Diode Type: Schottky Diode - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Forward Voltage: 0.45V at 1AV - Part Type: Schottky Barrier Diodes (SBD) - LCSC Part Number: C109213 - Role: Flyback / Freewheeling - Manufacturer Name: SHIKUES(时科) - JLCPCB Part Class: Extended Part **Pins:** - A [pin 2] - K [pin 1] ### D16 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Role Details: Flyback diode for part Q16, anode to Q16:D, cathode to VCC - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Role: Flyback / Freewheeling - Max Reverse Voltage: 40V - Forward Voltage: 0.45V at 1AV - LCSC Part Number: C109213 - Part Type: Schottky Barrier Diodes (SBD) - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Diode Type: Schottky Diode - Manufacturer Part Number: B5819W - JLCPCB Part Class: Extended Part - Manufacturer Name: SHIKUES(时科) **Pins:** - A [pin 2] - K [pin 1] ### D17 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Max Reverse Voltage: 40V - Role Details: Flyback diode for part Q17, anode to Q17:D, cathode to VCC - Role: Flyback / Freewheeling - JLCPCB Part Class: Extended Part - Manufacturer Name: SHIKUES(时科) - Diode Type: Schottky Diode - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Manufacturer Part Number: B5819W - Forward Voltage: 0.45V at 1AV - LCSC Part Number: C109213 - Part Type: Schottky Barrier Diodes (SBD) - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html **Pins:** - A [pin 2] - K [pin 1] ### D18 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Role: Flyback / Freewheeling - Part Type: Schottky Barrier Diodes (SBD) - LCSC Part Number: C109213 - Forward Voltage: 0.45V at 1AV - Manufacturer Part Number: B5819W - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Diode Type: Schottky Diode - Manufacturer Name: SHIKUES(时科) - JLCPCB Part Class: Extended Part - Max Reverse Voltage: 40V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Role Details: Flyback diode for part Q18, anode to Q18:D, cathode to VCC **Pins:** - A [pin 2] - K [pin 1] ### D19 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Manufacturer Name: SHIKUES(时科) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: B5819W - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Diode Type: Schottky Diode - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - LCSC Part Number: C109213 - Part Type: Schottky Barrier Diodes (SBD) - Forward Voltage: 0.45V at 1AV - Role Details: Flyback diode for part Q19, anode to Q19:D, cathode to VCC - Max Reverse Voltage: 40V - Role: Flyback / Freewheeling - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf **Pins:** - A [pin 2] - K [pin 1] ### D2 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Diode Type: Schottky Diode - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Manufacturer Part Number: B5819W - Forward Voltage: 0.45V at 1AV - LCSC Part Number: C109213 - Part Type: Schottky Barrier Diodes (SBD) - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Role: Flyback / Freewheeling - JLCPCB Part Class: Extended Part - Manufacturer Name: SHIKUES(时科) - Role Details: Flyback diode for part Q2, anode to Q2:D, cathode to VCC - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Max Reverse Voltage: 40V **Pins:** - A [pin 2] - K [pin 1] ### D20 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - JLCPCB Part Class: Extended Part - Manufacturer Name: SHIKUES(时科) - Role: Flyback / Freewheeling - Diode Type: Schottky Diode - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Manufacturer Part Number: B5819W - Forward Voltage: 0.45V at 1AV - LCSC Part Number: C109213 - Part Type: Schottky Barrier Diodes (SBD) - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Max Reverse Voltage: 40V - Role Details: Flyback diode for part Q20, anode to Q20:D, cathode to VCC **Pins:** - A [pin 2] - K [pin 1] ### D21 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Max Reverse Voltage: 40V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Role: Flyback / Freewheeling - Manufacturer Name: SHIKUES(时科) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: B5819W - Role Details: Flyback diode for part Q21, anode to Q21:D, cathode to VCC - Diode Type: Schottky Diode - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - LCSC Part Number: C109213 - Forward Voltage: 0.45V at 1AV - Part Type: Schottky Barrier Diodes (SBD) **Pins:** - A [pin 2] - K [pin 1] ### D22 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Max Reverse Voltage: 40V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Role Details: Flyback diode for part Q22, anode to Q22:D, cathode to VCC - Role: Flyback / Freewheeling - Manufacturer Name: SHIKUES(时科) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: B5819W - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Diode Type: Schottky Diode - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Forward Voltage: 0.45V at 1AV - Part Type: Schottky Barrier Diodes (SBD) - LCSC Part Number: C109213 **Pins:** - A [pin 2] - K [pin 1] ### D23 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Max Reverse Voltage: 40V - Part Type: Schottky Barrier Diodes (SBD) - Forward Voltage: 0.45V at 1AV - LCSC Part Number: C109213 - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Diode Type: Schottky Diode - Role: Flyback / Freewheeling - Manufacturer Part Number: B5819W - JLCPCB Part Class: Extended Part - Manufacturer Name: SHIKUES(时科) - Role Details: Flyback diode for part Q23, anode to Q23:D, cathode to VCC **Pins:** - A [pin 2] - K [pin 1] ### D24 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Role Details: Flyback diode for part Q24, anode to Q24:D, cathode to VCC - Max Reverse Voltage: 40V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Manufacturer Name: SHIKUES(时科) - JLCPCB Part Class: Extended Part - Role: Flyback / Freewheeling - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Part Type: Schottky Barrier Diodes (SBD) - Forward Voltage: 0.45V at 1AV - LCSC Part Number: C109213 - Manufacturer Part Number: B5819W - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Diode Type: Schottky Diode **Pins:** - A [pin 2] - K [pin 1] ### D25 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Role Details: Flyback diode for part Q25, anode to Q25:D, cathode to VCC - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Max Reverse Voltage: 40V - Forward Voltage: 0.45V at 1AV - Part Type: Schottky Barrier Diodes (SBD) - LCSC Part Number: C109213 - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Diode Type: Schottky Diode - Manufacturer Part Number: B5819W - JLCPCB Part Class: Extended Part - Manufacturer Name: SHIKUES(时科) - Role: Flyback / Freewheeling **Pins:** - A [pin 2] - K [pin 1] ### D26 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Part Type: Schottky Barrier Diodes (SBD) - LCSC Part Number: C109213 - Forward Voltage: 0.45V at 1AV - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Diode Type: Schottky Diode - Manufacturer Part Number: B5819W - Role: Flyback / Freewheeling - JLCPCB Part Class: Extended Part - Manufacturer Name: SHIKUES(时科) - Role Details: Flyback diode for part Q26, anode to Q26:D, cathode to VCC - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Max Reverse Voltage: 40V **Pins:** - A [pin 2] - K [pin 1] ### D27 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Max Reverse Voltage: 40V - Role: Flyback / Freewheeling - JLCPCB Part Class: Extended Part - Manufacturer Name: SHIKUES(时科) - Role Details: Flyback diode for part Q27, anode to Q27:D, cathode to VCC - Diode Type: Schottky Diode - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Manufacturer Part Number: B5819W - LCSC Part Number: C109213 - Forward Voltage: 0.45V at 1AV - Part Type: Schottky Barrier Diodes (SBD) - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html **Pins:** - A [pin 2] - K [pin 1] ### D28 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Role Details: Flyback diode for part Q28, anode to Q28:D, cathode to VCC - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Max Reverse Voltage: 40V - Role: Flyback / Freewheeling - Diode Type: Schottky Diode - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Manufacturer Part Number: B5819W - Part Type: Schottky Barrier Diodes (SBD) - LCSC Part Number: C109213 - Forward Voltage: 0.45V at 1AV - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - JLCPCB Part Class: Extended Part - Manufacturer Name: SHIKUES(时科) **Pins:** - A [pin 2] - K [pin 1] ### D3 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Role Details: Flyback diode for part Q3, anode to Q3:D, cathode to VCC - Role: Flyback / Freewheeling - Max Reverse Voltage: 40V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Manufacturer Part Number: B5819W - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Diode Type: Schottky Diode - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Forward Voltage: 0.45V at 1AV - Part Type: Schottky Barrier Diodes (SBD) - LCSC Part Number: C109213 - Manufacturer Name: SHIKUES(时科) - JLCPCB Part Class: Extended Part **Pins:** - A [pin 2] - K [pin 1] ### D4 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Role: Flyback / Freewheeling - Max Reverse Voltage: 40V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Manufacturer Part Number: B5819W - Diode Type: Schottky Diode - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Role Details: Flyback diode for part Q4, anode to Q4:D, cathode to VCC - Part Type: Schottky Barrier Diodes (SBD) - Forward Voltage: 0.45V at 1AV - LCSC Part Number: C109213 - Manufacturer Name: SHIKUES(时科) - JLCPCB Part Class: Extended Part **Pins:** - A [pin 2] - K [pin 1] ### D5 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - JLCPCB Part Class: Extended Part - Manufacturer Name: SHIKUES(时科) - Role: Flyback / Freewheeling - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Diode Type: Schottky Diode - Manufacturer Part Number: B5819W - Part Type: Schottky Barrier Diodes (SBD) - Forward Voltage: 0.45V at 1AV - LCSC Part Number: C109213 - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Max Reverse Voltage: 40V - Role Details: Flyback diode for part Q5, anode to Q5:D, cathode to VCC **Pins:** - A [pin 2] - K [pin 1] ### D6 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Forward Voltage: 0.45V at 1AV - Part Type: Schottky Barrier Diodes (SBD) - LCSC Part Number: C109213 - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Diode Type: Schottky Diode - Manufacturer Part Number: B5819W - JLCPCB Part Class: Extended Part - Manufacturer Name: SHIKUES(时科) - Role: Flyback / Freewheeling - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Max Reverse Voltage: 40V - Role Details: Flyback diode for part Q6, anode to Q6:D, cathode to VCC **Pins:** - A [pin 2] - K [pin 1] ### D7 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Role Details: Flyback diode for part Q7, anode to Q7:D, cathode to VCC - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Part Type: Schottky Barrier Diodes (SBD) - LCSC Part Number: C109213 - Forward Voltage: 0.45V at 1AV - Manufacturer Part Number: B5819W - Diode Type: Schottky Diode - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Manufacturer Name: SHIKUES(时科) - Role: Flyback / Freewheeling - JLCPCB Part Class: Extended Part - Max Reverse Voltage: 40V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf **Pins:** - A [pin 2] - K [pin 1] ### D8 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Role: Flyback / Freewheeling - Max Reverse Voltage: 40V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Role Details: Flyback diode for part Q8, anode to Q8:D, cathode to VCC - Manufacturer Name: SHIKUES(时科) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: B5819W - Diode Type: Schottky Diode - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - LCSC Part Number: C109213 - Forward Voltage: 0.45V at 1AV - Part Type: Schottky Barrier Diodes (SBD) **Pins:** - A [pin 2] - K [pin 1] ### D9 — [B5819W](https://www.flux.ai/lcsc/b5819w.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810251911_Shikues-B5819W_C109213.pdf - Max Reverse Voltage: 40V - Role: Flyback / Freewheeling - JLCPCB Part Class: Extended Part - Role Details: Flyback diode for part Q9, anode to Q9:D, cathode to VCC - Manufacturer Name: SHIKUES(时科) - Forward Voltage: 0.45V at 1AV - LCSC Part Number: C109213 - Part Type: Schottky Barrier Diodes (SBD) - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819W_C109213.html - Diode Type: Schottky Diode - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Manufacturer Part Number: B5819W **Pins:** - A [pin 2] - K [pin 1] ### J1 — [XY301V-A-5.0-2P](https://www.flux.ai/jharwinbarrozo/xy301v-a-50-2p.md) - Manufacturer Part Number: XY301V-A-5.0-2P - Role: Power Source - Package: 5.0mm pitch - Role Details: 2-pin screw terminal connector for 2S Li-ion input - Manufacturer Name: Ningbo Xinlaiya Elec. **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### J2 — [Pin Header 02x19 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-02x19-254mm-vertical.md) - Part Type: Connector - Role: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: ESP32 interface header - Package: 2.54mm pitch **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_11 [pin 11] - Pin_12 [pin 12] - Pin_13 [pin 13] - Pin_14 [pin 14] - Pin_15 [pin 15] - Pin_16 [pin 16] - Pin_17 [pin 17] - Pin_18 [pin 18] - Pin_19 [pin 19] - Pin_2 [pin 2] - Pin_20 [pin 20] - Pin_21 [pin 21] - Pin_22 [pin 22] - Pin_23 [pin 23] - Pin_24 [pin 24] - Pin_25 [pin 25] - Pin_26 [pin 26] - Pin_27 [pin 27] - Pin_28 [pin 28] - Pin_29 [pin 29] - Pin_3 [pin 3] - Pin_30 [pin 30] - Pin_31 [pin 31] - Pin_32 [pin 32] - Pin_33 [pin 33] - Pin_34 [pin 34] - Pin_35 [pin 35] - Pin_36 [pin 36] - Pin_37 [pin 37] - Pin_38 [pin 38] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] - Pin_7 [pin 7] - Pin_8 [pin 8] - Pin_9 [pin 9] ### Q1 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Role: Switching - JLCPCB Part Class: Extended Part - Manufacturer Part Number: AO3400A - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Manufacturer Name: UMW(友台半导体) - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Package: SOT-23 - LCSC Part Number: C347475 - Power: 1.4W - Part Type: MOSFETs - Transistor Type: N-channel MOSFET - Operating Temperature: -55 ~ +150℃ - Drain to Source Voltage: 30V - Role Details: Low-side MOSFET driver for coil current - Continuous Drain Current: 5.7A **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q10 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Manufacturer Name: UMW(友台半导体) - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Role Details: Low-side MOSFET driver for coil current - Manufacturer Part Number: AO3400A - JLCPCB Part Class: Extended Part - Package: SOT-23 - Role: Switching - Operating Temperature: -55 ~ +150℃ - Drain to Source Voltage: 30V - Transistor Type: N-channel MOSFET - Continuous Drain Current: 5.7A - LCSC Part Number: C347475 - Part Type: MOSFETs - Power: 1.4W **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q11 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Power: 1.4W - Role: Switching - Part Type: MOSFETs - LCSC Part Number: C347475 - Continuous Drain Current: 5.7A - Transistor Type: N-channel MOSFET - Drain to Source Voltage: 30V - Role Details: Low-side MOSFET driver for coil current - Operating Temperature: -55 ~ +150℃ - Manufacturer Part Number: AO3400A - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Name: UMW(友台半导体) - Package: SOT-23 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q12 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Continuous Drain Current: 5.7A - Drain to Source Voltage: 30V - Operating Temperature: -55 ~ +150℃ - Transistor Type: N-channel MOSFET - Part Type: MOSFETs - Power: 1.4W - LCSC Part Number: C347475 - Role Details: Low-side MOSFET driver for coil current - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Name: UMW(友台半导体) - Role: Switching - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package: SOT-23 - Manufacturer Part Number: AO3400A - JLCPCB Part Class: Extended Part **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q13 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Role: Switching - Power: 1.4W - Part Type: MOSFETs - LCSC Part Number: C347475 - Continuous Drain Current: 5.7A - Transistor Type: N-channel MOSFET - Operating Temperature: -55 ~ +150℃ - Drain to Source Voltage: 30V - Manufacturer Part Number: AO3400A - JLCPCB Part Class: Extended Part - Package: SOT-23 - Manufacturer Name: UMW(友台半导体) - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Role Details: Low-side MOSFET driver for coil current - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q14 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Manufacturer Part Number: AO3400A - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package: SOT-23 - Role Details: Low-side MOSFET driver for coil current - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Name: UMW(友台半导体) - LCSC Part Number: C347475 - Role: Switching - Power: 1.4W - Part Type: MOSFETs - Transistor Type: N-channel MOSFET - Operating Temperature: -55 ~ +150℃ - Drain to Source Voltage: 30V - Continuous Drain Current: 5.7A **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q15 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Transistor Type: N-channel MOSFET - Drain to Source Voltage: 30V - Operating Temperature: -55 ~ +150℃ - Continuous Drain Current: 5.7A - LCSC Part Number: C347475 - Power: 1.4W - Part Type: MOSFETs - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Role: Switching - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Name: UMW(友台半导体) - Role Details: Low-side MOSFET driver for coil current - Package: SOT-23 - JLCPCB Part Class: Extended Part - Manufacturer Part Number: AO3400A **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q16 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Name: UMW(友台半导体) - Role: Switching - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package: SOT-23 - JLCPCB Part Class: Extended Part - Manufacturer Part Number: AO3400A - Continuous Drain Current: 5.7A - Drain to Source Voltage: 30V - Operating Temperature: -55 ~ +150℃ - Role Details: Low-side MOSFET driver for coil current - Transistor Type: N-channel MOSFET - Part Type: MOSFETs - Power: 1.4W - LCSC Part Number: C347475 **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q17 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Package: SOT-23 - Manufacturer Part Number: AO3400A - JLCPCB Part Class: Extended Part - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Role: Switching - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Name: UMW(友台半导体) - LCSC Part Number: C347475 - Part Type: MOSFETs - Power: 1.4W - Drain to Source Voltage: 30V - Operating Temperature: -55 ~ +150℃ - Transistor Type: N-channel MOSFET - Role Details: Low-side MOSFET driver for coil current - Continuous Drain Current: 5.7A **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q18 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Transistor Type: N-channel MOSFET - Role Details: Low-side MOSFET driver for coil current - Operating Temperature: -55 ~ +150℃ - Drain to Source Voltage: 30V - Continuous Drain Current: 5.7A - Role: Switching - LCSC Part Number: C347475 - Power: 1.4W - Part Type: MOSFETs - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Name: UMW(友台半导体) - Package: SOT-23 - JLCPCB Part Class: Extended Part - Manufacturer Part Number: AO3400A **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q19 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Transistor Type: N-channel MOSFET - Operating Temperature: -55 ~ +150℃ - Drain to Source Voltage: 30V - Continuous Drain Current: 5.7A - LCSC Part Number: C347475 - Power: 1.4W - Part Type: MOSFETs - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Name: UMW(友台半导体) - Role: Switching - Package: SOT-23 - Role Details: Low-side MOSFET driver for coil current - Manufacturer Part Number: AO3400A - JLCPCB Part Class: Extended Part **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q2 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Package: SOT-23 - LCSC Part Number: C347475 - Power: 1.4W - Part Type: MOSFETs - Transistor Type: N-channel MOSFET - Role Details: Low-side MOSFET driver for coil current - Operating Temperature: -55 ~ +150℃ - Drain to Source Voltage: 30V - Continuous Drain Current: 5.7A - Manufacturer Part Number: AO3400A - JLCPCB Part Class: Extended Part - Role: Switching - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Name: UMW(友台半导体) **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q20 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Role Details: Low-side MOSFET driver for coil current - LCSC Part Number: C347475 - Power: 1.4W - Part Type: MOSFETs - Transistor Type: N-channel MOSFET - Package: SOT-23 - Operating Temperature: -55 ~ +150℃ - Drain to Source Voltage: 30V - Continuous Drain Current: 5.7A - Role: Switching - JLCPCB Part Class: Extended Part - Manufacturer Part Number: AO3400A - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Manufacturer Name: UMW(友台半导体) - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q21 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - LCSC Part Number: C347475 - Package: SOT-23 - Power: 1.4W - Part Type: MOSFETs - Transistor Type: N-channel MOSFET - Operating Temperature: -55 ~ +150℃ - Role: Switching - Drain to Source Voltage: 30V - Continuous Drain Current: 5.7A - Role Details: Low-side MOSFET driver for coil current - JLCPCB Part Class: Extended Part - Manufacturer Part Number: AO3400A - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Manufacturer Name: UMW(友台半导体) - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q22 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Transistor Type: N-channel MOSFET - Package: SOT-23 - Drain to Source Voltage: 30V - Operating Temperature: -55 ~ +150℃ - Continuous Drain Current: 5.7A - LCSC Part Number: C347475 - Power: 1.4W - Role Details: Low-side MOSFET driver for coil current - Part Type: MOSFETs - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Role: Switching - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Name: UMW(友台半导体) - Manufacturer Part Number: AO3400A - JLCPCB Part Class: Extended Part **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q23 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: AO3400A - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Role Details: Low-side MOSFET driver for coil current - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Name: UMW(友台半导体) - LCSC Part Number: C347475 - Power: 1.4W - Part Type: MOSFETs - Transistor Type: N-channel MOSFET - Operating Temperature: -55 ~ +150℃ - Drain to Source Voltage: 30V - Continuous Drain Current: 5.7A - Role: Switching - Package: SOT-23 **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q24 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Drain to Source Voltage: 30V - Operating Temperature: -55 ~ +150℃ - Transistor Type: N-channel MOSFET - Role: Switching - Continuous Drain Current: 5.7A - Role Details: Low-side MOSFET driver for coil current - LCSC Part Number: C347475 - Package: SOT-23 - Part Type: MOSFETs - Power: 1.4W - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Name: UMW(友台半导体) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: AO3400A **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q25 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Continuous Drain Current: 5.7A - Role: Switching - Transistor Type: N-channel MOSFET - Package: SOT-23 - Operating Temperature: -55 ~ +150℃ - Drain to Source Voltage: 30V - Power: 1.4W - Part Type: MOSFETs - Role Details: Low-side MOSFET driver for coil current - LCSC Part Number: C347475 - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Name: UMW(友台半导体) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - JLCPCB Part Class: Extended Part - Manufacturer Part Number: AO3400A **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q26 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - LCSC Part Number: C347475 - Power: 1.4W - Part Type: MOSFETs - Transistor Type: N-channel MOSFET - Drain to Source Voltage: 30V - Package: SOT-23 - Operating Temperature: -55 ~ +150℃ - Continuous Drain Current: 5.7A - Role: Switching - JLCPCB Part Class: Extended Part - Manufacturer Part Number: AO3400A - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Role Details: Low-side MOSFET driver for coil current - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Name: UMW(友台半导体) **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q27 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Drain to Source Voltage: 30V - Operating Temperature: -55 ~ +150℃ - Transistor Type: N-channel MOSFET - Continuous Drain Current: 5.7A - Role: Switching - Role Details: Low-side MOSFET driver for coil current - LCSC Part Number: C347475 - Part Type: MOSFETs - Power: 1.4W - Package: SOT-23 - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Name: UMW(友台半导体) - Manufacturer Part Number: AO3400A - JLCPCB Part Class: Extended Part **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q28 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Part Type: MOSFETs - Role Details: Low-side MOSFET driver for coil current - Power: 1.4W - LCSC Part Number: C347475 - Package: SOT-23 - Continuous Drain Current: 5.7A - Operating Temperature: -55 ~ +150℃ - Drain to Source Voltage: 30V - Transistor Type: N-channel MOSFET - Manufacturer Part Number: AO3400A - JLCPCB Part Class: Extended Part - Manufacturer Name: UMW(友台半导体) - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Role: Switching - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q3 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Manufacturer Name: UMW(友台半导体) - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Package: SOT-23 - Role: Switching - Role Details: Low-side MOSFET driver for coil current - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Manufacturer Part Number: AO3400A - JLCPCB Part Class: Extended Part - Continuous Drain Current: 5.7A - Drain to Source Voltage: 30V - Operating Temperature: -55 ~ +150℃ - Transistor Type: N-channel MOSFET - Part Type: MOSFETs - Power: 1.4W - LCSC Part Number: C347475 **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q4 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Name: UMW(友台半导体) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Manufacturer Part Number: AO3400A - JLCPCB Part Class: Extended Part - Continuous Drain Current: 5.7A - Role Details: Low-side MOSFET driver for coil current - Transistor Type: N-channel MOSFET - Role: Switching - Operating Temperature: -55 ~ +150℃ - Drain to Source Voltage: 30V - Package: SOT-23 - Power: 1.4W - Part Type: MOSFETs - LCSC Part Number: C347475 **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q5 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Role: Switching - Drain to Source Voltage: 30V - Operating Temperature: -55 ~ +150℃ - Transistor Type: N-channel MOSFET - Role Details: Low-side MOSFET driver for coil current - Continuous Drain Current: 5.7A - Package: SOT-23 - LCSC Part Number: C347475 - Part Type: MOSFETs - Power: 1.4W - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Manufacturer Name: UMW(友台半导体) - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - JLCPCB Part Class: Extended Part - Manufacturer Part Number: AO3400A **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q6 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Transistor Type: N-channel MOSFET - Operating Temperature: -55 ~ +150℃ - Drain to Source Voltage: 30V - Continuous Drain Current: 5.7A - Role Details: Low-side MOSFET driver for coil current - LCSC Part Number: C347475 - Package: SOT-23 - Power: 1.4W - Part Type: MOSFETs - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Manufacturer Name: UMW(友台半导体) - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Role: Switching - Manufacturer Part Number: AO3400A - JLCPCB Part Class: Extended Part **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q7 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Transistor Type: N-channel MOSFET - Operating Temperature: -55 ~ +150℃ - Drain to Source Voltage: 30V - Continuous Drain Current: 5.7A - LCSC Part Number: C347475 - Role: Switching - Power: 1.4W - Package: SOT-23 - Part Type: MOSFETs - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Name: UMW(友台半导体) - Role Details: Low-side MOSFET driver for coil current - JLCPCB Part Class: Extended Part - Manufacturer Part Number: AO3400A **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q8 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Power: 1.4W - Part Type: MOSFETs - LCSC Part Number: C347475 - Continuous Drain Current: 5.7A - Role: Switching - Role Details: Low-side MOSFET driver for coil current - Transistor Type: N-channel MOSFET - Drain to Source Voltage: 30V - Operating Temperature: -55 ~ +150℃ - Package: SOT-23 - JLCPCB Part Class: Extended Part - Manufacturer Part Number: AO3400A - Manufacturer Name: UMW(友台半导体) - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q9 — [AO3400A](https://www.flux.ai/lcsc/ao3400a.md) - Continuous Drain Current: 5.7A - Operating Temperature: -55 ~ +150℃ - Drain to Source Voltage: 30V - Transistor Type: N-channel MOSFET - Part Type: MOSFETs - Power: 1.4W - LCSC Part Number: C347475 - Role: Switching - Package: SOT-23 - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Name: UMW(友台半导体) - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Manufacturer Part Number: AO3400A - JLCPCB Part Class: Extended Part - Role Details: Low-side MOSFET driver for coil current **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### U1 — [SN74HC595DWR](https://www.flux.ai/adrian95/sn74hc595dwr.md) - Manufacturer Part Number: SN74HC595DWR - Role: Logic-level Shifting - License: https://creativecommons.org/licenses/by/4.0/ - Package: 16-SOIC - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/lit/ds/symlink/sn74hc595.pdf - Role Details: Daisy-chained 8-bit shift register for MOSFET gates **Pins:** - ~OE [pin 13] - ~SRCLR [pin 10] - GND [pin 8] - QA [pin 15] - QB [pin 1] - QC [pin 2] - QD [pin 3] - QE [pin 4] - QF [pin 5] - QG [pin 6] - QH_1 [pin 7] - QH_2 [pin 9] - RCLK [pin 12] - SER [pin 14] - SRCLK [pin 11] - VCC [pin 16] ### U2 — [SN74HC595DWR](https://www.flux.ai/adrian95/sn74hc595dwr.md) - Role: Logic-level Shifting - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/lit/ds/symlink/sn74hc595.pdf - Role Details: Daisy-chained 8-bit shift register for MOSFET gates - Manufacturer Part Number: SN74HC595DWR - Package: 16-SOIC - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ~OE [pin 13] - ~SRCLR [pin 10] - GND [pin 8] - QA [pin 15] - QB [pin 1] - QC [pin 2] - QD [pin 3] - QE [pin 4] - QF [pin 5] - QG [pin 6] - QH_1 [pin 7] - QH_2 [pin 9] - RCLK [pin 12] - SER [pin 14] - SRCLK [pin 11] - VCC [pin 16] ### U3 — [SN74HC595DWR](https://www.flux.ai/adrian95/sn74hc595dwr.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Daisy-chained 8-bit shift register for MOSFET gates - Manufacturer Part Number: SN74HC595DWR - Datasheet URL: https://www.ti.com/lit/ds/symlink/sn74hc595.pdf - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments - Package: 16-SOIC - Role: Logic-level Shifting **Pins:** - ~OE [pin 13] - ~SRCLR [pin 10] - GND [pin 8] - QA [pin 15] - QB [pin 1] - QC [pin 2] - QD [pin 3] - QE [pin 4] - QF [pin 5] - QG [pin 6] - QH_1 [pin 7] - QH_2 [pin 9] - RCLK [pin 12] - SER [pin 14] - SRCLK [pin 11] - VCC [pin 16] ### U4 — [SN74HC595DWR](https://www.flux.ai/adrian95/sn74hc595dwr.md) - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/lit/ds/symlink/sn74hc595.pdf - Package: 16-SOIC - Role: Logic-level Shifting - Manufacturer Name: Texas Instruments - Role Details: Daisy-chained 8-bit shift register for MOSFET gates - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SN74HC595DWR **Pins:** - ~OE [pin 13] - ~SRCLR [pin 10] - GND [pin 8] - QA [pin 15] - QB [pin 1] - QC [pin 2] - QD [pin 3] - QE [pin 4] - QF [pin 5] - QG [pin 6] - QH_1 [pin 7] - QH_2 [pin 9] - RCLK [pin 12] - SER [pin 14] - SRCLK [pin 11] - VCC [pin 16] ### U5 — [AS5600-ASOM](https://www.flux.ai/jecstronic/as5600-asom.md) - Role Details: Magnetic rotary encoder for position feedback - Role: Sensor - Part Type: Sensor - Manufacturer Part Number: AS5600-ASOM - Manufacturer Name: ams-OSRAM USA INC. - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://ams.com/documents/20143/36005/AS5600_DS000365_5-00.pdf **Pins:** - DIR [pin 8] - GND [pin 4] - OUT [pin 3] - PGO [pin 5] - SCL [pin 7] - SDA [pin 6] - VDD3V3 [pin 2] - VDD5V [pin 1] ### U6 — [LTC4365ITS8#TRMPBF](https://www.flux.ai/adrian95/ltc4365its8trmpbf.md) - Manufacturer Part Number: LTC4365ITS8#TRMPBF - Manufacturer Name: Analog Devices Inc. - Role: Protection - Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/LTC4365.pdf - Part Type: Integrated Circuit - Role Details: Reverse-polarity, overvoltage, undervoltage lockout, and overcurrent protection for 2S Li-ion input - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ~FAULT [pin 6] - ~SHDN [pin 5] - GATE [pin 8] - GND [pin 4] - OV [pin 3] - UV [pin 2] - VIN [pin 1] - VOUT [pin 7] ### U7 — [AP2204RA-3.3](https://www.flux.ai/kicad-part-library/ap2204ra-3p3.md) - Package or Case Code: SOT-89-3 - Manufacturer Part Number: AP2204RA-3.3 - Manufacturer Name: Texas Instruments Inc. - Datasheet URL: https://www.diodes.com/assets/Datasheets/products_inactive_data/AP2204.pdf - Role Details: 3.3 V LDO regulator to generate logic rail for ESP32, shift registers, and encoder - Role: Power Management **Pins:** - GND [pin 1] - VIN [pin 2] - VOUT [pin 3] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/heimatlos/fine-orange-interocitor](https://www.flux.ai/heimatlos/fine-orange-interocitor).* --- *Generated from [https://www.flux.ai/heimatlos/fine-orange-interocitor](https://www.flux.ai/heimatlos/fine-orange-interocitor)*