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laminarforge
Parametric CAD models (Rust + vcad) for LaminarForge open-source LAMP diagnostics device
| Reference | Value | Description |
|---|---|---|
| Q1,Q2 | IRLB3813PBF TO-220 12V prototype | |
| U1 | ESP32-S3-WROOM-1-N16 | |
| U2 | USBLC6-2SC6 | |
| U3 | Diodes AP63203WU-7 fixed 3.3V 2A buck | |
| U4 | ADS1115IDGSR | |
| U5 | CD74HC4051M | |
| U6 | TC4427ACOA/TC4427EPA |
| U7 | CUI/Bel P7805-2000-S 5V 2A 8-36V buck module; hand-place no-substitution |
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| U8 | Mean Well LDD-700H 700mA CC buck LED driver; LDD-1000H C17529736 DNP thermal-validation alternate |
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| U9 | SN74LVC1G08DBVR LED_EXC_PWM AND LED_EXC_EN |
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| U10 | INA180A1IDBVR gain 20 LED current sense |
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| C1,C5,C6 | 22uF rail bulk |
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| C2 | 22uF >=10V +5V buck output |
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| C3 | 22uF AP63203 input |
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| C4 | 22uF 50V VIN buck input |
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| C7,C8 | 22uF AP63203 output |
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| C9 | 100nF bootstrap |
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| C10-C17 | 100nF |
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| D1 | SMBJ18A footprint option |
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| D2,D3 | LED0603 status |
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| F1 | RUEF500K/PTC |
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| FB1 | 0805 ferrite bead / approved analog rail link from +3V3 to +3V3_ANA |
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| J1 | TYPE-C 3.1 MT 16P |
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| J2,J12,J13,J15 | DB128H-5.08-2P-BK-S |
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| J4-J11 | 2-pin NTC header |
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| J16 | LED NTC/ID header |
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| J17 | External camera sync header |
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| J18 | SPI/FIFO camera module header |
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| J19 | Lid/cartridge/cutoff interlock header |
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| J20 | Fan PWM/tach header |
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| J21 | 2x3 UART/programming header |
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| J22 | I2C expansion header |
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| J23 | Analog optical diagnostic header |
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| J24 | DB128H-5.08-2P high-current heater cutoff loop/link |
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| L1 | Wurth 74439346068 6.8uH shielded inductor |
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| R1,R2 | 5.1k |
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| R3,R4 | 100k/100k VBUS sense |
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| R10-R17 | 10k 0.1% |
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| R20,R21 | 33R |
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| R22-R24,R48,R49 | 10k |
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| R25,R26 | 50mR DNP forbidden low-side bypass placeholder |
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| R30,R31 | 1k |
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| R40-R47 | 4.7k |
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| R50 | 100R LED DIM series |
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| R51 | 100k LED DIM pulldown |
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| R52 | 0R LED_SUPPLY feed link from VIN_PROTECTED |
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| R53 | 0.1R 1% >=1W LED current shunt |
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| R54 | 10k LED_FAULT_N pull-up |
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| R55 | 0R VDRV feed link from VIN_PROTECTED, 12 V population only |
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