Ignitionlet
oxidecomputer·hw-ignitionlet
About the Ignitionlet PCB
Ignitionlet is an open source PCB design by oxidecomputer, published on GitHub under the MPL-2.0 license. It is a 4-layer board measuring 143.5 × 43.2 mm, with 131 components from 41 distinct parts.
Other key parts include the IGNITION001-QFN, AMPMGFB-50.0000T, MT25QL128ABB8E12-0AUT, AT25PE80-SSHN-B and SN74CBTLV3257RSV. By type, the board carries 48 resistors, 38 capacitors, 25 connectors, 9 ICs, 4 switches and 3 test points.
It belongs with the dev boards & breakouts designs in this gallery.
From the project
Breakout board for the ice40 FPGA with SPI PMOD interface

Main components on the Ignitionlet
Ignitionlet bill of materials (BOM)
131 components, 41 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | IGNITION001-QFN | Lattice_DRQFN-84-1EP_7x7mm_P0.50mm_EP3.5x3.5mm_ThermalVias | U1 |
| 1 | AMPMGFB-50.0000T | ABRACON_VFLGA-4_1.6x1.2mm | U2 |
| 1 | MT25QL128ABB8E12-0AUT | T-PBGA-24_6x8mm_Layout5x5_P1.0mm | U5 |
| 1 | AT25PE80-SSHN-B | SOIC-8_3.9x4.9mm_P1.27mm | U6 |
| 1 | SN74CBTLV3257RSV | Texas_RSV_S-UQFN-16_2.4x1.6mm | U7 |
| 1 | SN74AUP1G08DBVR | SOT-23-5 | U8 |
| 2 | LT3013EFE#PBF | TSSOP-16-1EP_4.4x5mm_P0.65mm | U101, U102 |
| 1 | TPS7A0525PDBVR | SOT-23-5 | U103 |
| 8 | Conn_Coaxial | SMA_Amphenol_132134-16_Vertical | J1, J2, J3, J4, J9, J10, J11, J12 |
| 4 | Conn_01x04 | PinHeader_1x04_P2.54mm_Vertical_SMD_Pin1Left | J5, J6, J7, J8 |
| 2 | Conn_02x06_Odd_Even | PinHeader_2x06_P2.54mm_Vertical | J13, J14 |
| 2 | Conn_01x04 | PinHeader_1x04_P2.54mm_Vertical | J15, J17 |
| 1 | Conn_02x06_Top_Bottom | PMOD_12pin_peripheral_horizontal | J16 |
| 1 | Barrel_Jack_MountingPin | BarrelJack_Horizontal | J101 |
| 1 | Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J102 |
| 3 | Conn_01x03 | PinHeader_1x03_P2.54mm_Vertical | J103, J204, J205 |
| 1 | PMOD_2A_PERIPHERAL | PMOD_12pin_peripheral_horizontal | J201 |
| 1 | IGNITION_TARGET_HDR | TFC-105-02-F-D-A-K | J202 |
| 1 | Conn_02x05_Odd_Even | PinHeader_2x05_P2.54mm_Vertical | J203 |
| 1 | SYS_RST | PTS815 | SW2 |
Show 21 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | FLT | PTS815 | SW3 |
| 1 | FPGA_RST | PTS815 | SW201 |
| 1 | FLASH_RST | PTS815 | SW202 |
| 1 | TestPoint | TestPoint_THTPad_D0.6mm_Drill0.3mm | TP2 |
| 2 | TestPoint | TestPoint_Keystone_5015_Micro-Minature | TP104, TP105 |
| 2 | LTST-C193KGKT-5A | LED_0603_1608Metric | D1, D2 |
| 2 | MCZ1210AH900L2TA0G | L_Choke_MCZ1210AH | L1, L2 |
| 26 | GCM188R71E105KA64D | C_0603_1608Metric | C1, C2, C3, C4, C5, C6, C7, C8 +18 |
| 4 | GRM21BR61E106KA73K | C_0805_2012Metric | C101, C102, C103, C104 |
| 8 | C0603C106M8PACTU | C_0603_1608Metric | C106, C107, C108, C109, C111, C112, C113, C114 |
| 4 | 0 | R_0603_1608Metric | R1, R2, R3, R4 |
| 4 | 50 | R_0603_1608Metric | R5, R6, R7, R8 |
| 18 | 10K | R_0603_1608Metric | R9, R10, R11, R12, R13, R201, R202, R203 +10 |
| 8 | 75 | R_0603_1608Metric | R14, R15, R16, R17, R18, R19, R20, R21 |
| 2 | 140 | R_0603_1608Metric | R22, R23 |
| 2 | 309 | R_0603_1608Metric | R36, R37 |
| 3 | 100K | R_0603_1608Metric | R101, R102, R206 |
| 1 | 1K | R_0603_1608Metric | R103 |
| 2 | 147K | R_0603_1608Metric | R104, R105 |
| 1 | 88K7 | R_0603_1608Metric | R106 |
| 3 | 22 | R_0603_1608Metric | R208, R209, R210 |
Ignitionlet design files
The KiCad project lives in the oxidecomputer/hw-ignitionlet repository on GitHub; these links point at the commit this page was built from.
- Layoutignitionlet.kicad_pcb
- Schematicignitionlet.kicad_sch
Ignitionlet: common questions
How big is the Ignitionlet PCB?
The Ignitionlet measures 143.5 × 43.2 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Ignitionlet?
131 components, from 41 distinct parts. The full bill of materials is listed on this page.
Where can I download the Ignitionlet design files?
From the oxidecomputer/hw-ignitionlet repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Ignitionlet design in my own project?
Yes, under the terms of its MPL-2.0 license, which oxidecomputer chose for the repository.
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