Alphax-2chan
About the Alphax-2chan PCB
Alphax-2chan is an open source PCB design by rusefi, published on GitHub. It is a 4-layer board measuring 87 × 106 mm, with 164 components from 45 distinct parts.
Other key parts include the MPXH6400A and JDY-33. By type, the board carries 74 resistors, 32 diodes, 25 transistors, 13 connectors, 7 fuses and 6 capacitors.
From the project
24 pin / 2 channel ECU
Designed using KiCAD. Powered by Hellen One and rusEFI
For 4 channel, please see https://github.com/rusefi/alphax-4chan/
Main components on the Alphax-2chan
Alphax-2chan bill of materials (BOM)
164 components, 45 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MPXH6400A MPXHZ6400AC6T1 | MPXH6400A-SSOP8 | U1 |
| 1 | JDY-33 | JDY-33 | U4 |
| 1 | Module-power_12and5V-0.2 | power_12and5V | M1 |
| 1 | Module-mega-mcu144-0.5 | mega-mcu144 | M2 |
| 1 | Module-vr-max9924-0.1 | vr-max9924 | M3 |
| 1 | Module-lin-0.1 | lin | M4 |
| 1 | Module-can-0.1 | can | M8 |
| 7 | AO3401A | SOT-23 | Q1, Q2, Q4, Q5, Q12, Q13, Q15 |
| 10 | AO3400A | SOT-23 | Q3, Q10, Q14, Q16, Q17, Q21, Q22, Q23 +2 |
| 6 | VND10N06TR-E VND14NV04-E | DPAK | Q6, Q7, Q8, Q9, Q11, Q20 |
| 2 | PJM2319PSA | SOT-23 | Q18, Q19 |
| 1 | 430451012 | Molex_Micro-Fit_3.0_43045-1012_2x05_P3.00mm_Vertical | J1 |
| 1 | FTSH-105-01-F-DV-007-K Cortex_Debug | PinHeader_2x05_P1.27mm_Vertical_SMD | J2 |
| 1 | CONN_01X05_MALE Conn_01x05_Male | Molex_SPOX_5267-05A_1x05_P2.50mm_Vertical | J5 |
| 1 | USB_C_RECEPTACLE_USB2.0 USB_C_Receptacle_USB2.0 | USB_C_Receptacle_XKB_U262-16XN-4BVC11 | J6 |
| 8 | Pad | PAD-TH | J7, J8, J9, J10, P2, P3, P4, P5 |
| 1 | 33311-24AW-2 HCCPHPE24BKA90F | 33311-24AW-2 | P1 |
| 4 | NSMD005 nSMD005 | PAD-1206-PAD | F1, F2, F6, F7 |
| 2 | NSMD050 nSMD050 | PAD-1206-PAD | F3, F4 |
| 1 | FUSE-5A-1206 12H1500D | PAD-1206-PAD | F5 |
Show 25 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 10 | 1N4148WS | SOD-323 | D1, D2, D3, D4, D5, D6, D7, D8 +2 |
| 6 | LED-RED-0603 | LED-0603 | D9, D13, D14, D15, D16, D17 |
| 3 | LED-WHITE-0603 | LED-0603 | D10, D11, D12 |
| 8 | B5819W | SOD-123 | D18, D19, D23, D24, D25, D26, D31, D32 |
| 1 | LED-GREEN-0603 | LED-0603 | D20 |
| 2 | PSM712-LF | SOT-23 | D27, D30 |
| 2 | BAT54S | SOT-23 | D28, D29 |
| 2 | ~ | C0603 | C1, C4 |
| 4 | 100N 100n | C0603 | C2, C3, C5, C6 |
| 3 | 4.7K 4.7k | R0603-4 | R1, R2, R5 |
| 2 | 5.6K 5.6k | R0603 | R3, R4 |
| 15 | C17477 Jumper-Pad-Pad | PAD-0805-PAD | R6, R7, R8, R9, R10, R11, R12, R13 +7 |
| 4 | 2k | R1206 | R21, R23, R34, R36 |
| 4 | 4.7K 4.7k | R1206 | R22, R24, R35, R37 |
| 2 | Jumper-Pad-Pad | PAD-0805-PAD | R25, R26 |
| 26 | 4.7K 4.7k | R0603 | R27, R28, R29, R47, R48, R49, R50, R51 +18 |
| 2 | 3.3K 3.3k | R0603 | R30, R67 |
| 1 | 750 | R0805 | R31 |
| 2 | 2.7K 2.7k | R0603 | R32, R33 |
| 4 | DNP | R0603 | R38, R39, R41, R42 |
| 1 | SMD1206B035TF/16 | R1206 | R40 |
| 4 | 680K 680k | R0603 | R43, R44, R45, R46 |
| 1 | 220 | R0805 | R60 |
| 1 | 470 | R0805 | R65 |
| 2 | 1.2K 1.2k | R0603 | R68, R69 |
Alphax-2chan design files
The KiCad project lives in the rusefi/alphax-2chan repository on GitHub; these links point at the commit this page was built from.
Alphax-2chan: common questions
How big is the Alphax-2chan PCB?
The Alphax-2chan measures 87 × 106 mm, has 4 copper layers and is 1.61 mm thick.
How many components are on the Alphax-2chan?
164 components, from 45 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Alphax-2chan design files?
From the rusefi/alphax-2chan repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Alphax-2chan design in my own project?
The repository has no license, so all rights stay with rusefi. Use it as a reference, and ask the author before reusing the design.