2 layers154 × 159 mm
Hellen1-72
rusefi/hellen-miata-NB2
a rusEFI board with a 72 pin connector. Works for a Mazda Miata NB2 or any generic 8 cylinder vehicle :)
163 parts
2 layers30.9 × 14.6 mm
Hellen1-input
rusefi/hellen-miata-NB2a rusEFI board with a 72 pin connector. Works for a Mazda Miata NB2 or any generic 8 cylinder vehicle :)
- Size
- 30.9 × 14.6 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 57
- Nets
- 78
- Pads
- 290
- Tracks, vias
- 947, 85
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 5 (file 20210126)
- Created
- 30 Dec 2020
- Updated
- 23 May 2022
Overview
Hellen1-input is an open-source printed circuit board by rusefi, from the rusefi/hellen-miata-NB2 repository on GitHub. It is a 2-layer board of 30.9 × 14.6 mm with 57 parts on 78 nets, routed with 947 tracks and 85 vias.
It is built around the SRV05-4-P-T7 and P6SMB6.8CA. Its parts include 30 capacitors, 17 resistors, 7 diodes and 2 connectors.
Main components
2
SRV05-4-P-T7
SOT-23-612V 1A@8/20us 3.5pF 500W@8/20us 5V 5uA 6V ESD Four channels IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 SOT-23-6 ESD and Surge Protection (TVS/ESD) ROHSPROTEKESD And Surge Protection (TVS/ESD)
P6SMB6.8CA
SMB10.5V 1mA 5.8V 57.1A 6.45V 600W@10/1000us Bidirectional IEC 61000-4-2、IEC 61000-4-4 TVS SMB ESD and Surge Protection (TVS/ESD) ROHSUMWESD And Surge Protection (TVS/ESD)
README
README.mdMiata NB2
a rusEFI board with a 72 pin connector. Works for a Mazda Miata NB2 or any generic 8 cylinder vehicle :)
We love https://github.com/thesourcerer8/altium2kicad
https://github.com/rusefi/rusefi/wiki/Mazda-Miata-2001
https://github.com/rusefi/rusefi/wiki/Mazda-Miata-2003
For photos see https://github.com/rusefi/rusefi/wiki/Hellen-NB2
Compatible cases
89661-3T270
Hardware
M4 x 10mm will be good for NB external case and internal board to case for both NA and NB.
Powered by https://github.com/andreika-git/hellen-one
Parts
57| Qty | Value | Footprint | References |
|---|---|---|---|
| 15 | 100n | General.pcblib:Cap | C204, C205, C206, C207, C212, C213, C214, C215, C220, C221, C222, C223, C224, C225, C226 |
| 7 | 1n | General.pcblib:Cap | C200, C202, C203, C216, C217, C218, C219 |
| 7 | 4k7 | Small.PcbLib:Res Array 4 | R200, R201, R202, R203, R204, R205, R207 |
| 6 | SRV05-4-P-T7 | Small.PcbLib:D TVS Array 4 | D200, D201, D202, D203, D204, D205 |
| 5 | 10n | General.pcblib:Cap | C201, C208, C209, C210, C211 |
| 4 | 510 | General.pcblib:Res | R212, R213, R214, R215 |
| 3 | 2.2u | General.pcblib:Cap | C227, C228, C229 |
| 3 | 680k | Small.PcbLib:Res Array 4 | R206, R209, R211 |
| 2 | 10k | Small.PcbLib:Res Array 4 | R208, R210 |
| 1 | 3.3k | General.pcblib:Res | R216 |
| 1 | Module:input/0.1 | Mod.PcbLib:Mod-Hellen-Input | M200 |
| 1 | P6SMB6.8CA | General.pcblib:D TVS | D206 |
| 1 | Vref1 | General.pcblib:Pad | P200 |
| 1 | Vref2 | General.pcblib:Pad | P201 |
Questions
How big is the Hellen1-input PCB?
It measures 30.9 × 14.6 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Hellen1-input use?
57 parts, built around the SRV05-4-P-T7 and P6SMB6.8CA. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Hellen1-input KiCad files?
From the rusefi/hellen-miata-NB2 repository on GitHub, at the commit this page was made from: the board is kicad6_old/hellen1-input.kicad_pcb and its schematic hellen72_NB2.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Hellen1-input design in my own project?
Its repository states no licence, so its author keeps all rights: ask rusefi before reusing the design.
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