[Diy_efi] Ignition Hardware Driver Stage

[rr]

I would recommend that you use a GM ignition module. Provides
reference pulses and accepts dwell/spark signal as TTL. Heat
sink it an use it. Plug & play.

BobR.


maier_markus at t-online.de wrote:
> 
> Hi,
> 
> I'm new to this page and wondered, if somebody can help me out with a
> hardware topic.
> 
> Question:
> does somebody have a circuit diagram, that enables me to drive the
> ignition coils directly from processor pin level? I already found the
> schematics for efi output stage, but it's based on the MC3334, that
> doesn't seem to be available any longer. And any other output stages
> (as of ST Micro for example) don't seem to be available in little
> quantities.
> So I'm interested in the circuit and the sources where to get the
> parts.
> 
> Thanks a lot.
> Markus
> 
> Background:
> I'm currently building my own engine control ECU based on an Infineon
> TriCore Evaluation board. The first step here is to get the ignition
> system up and running. If that works, injection might be next (may be
> when I'm retired in thirty years or so ;-)
> For coding the software, I'm using ASCET-Sd and its automatic code
> generation mechanism plus the ERCOSek real-time operating system. For
> more information on them, please see www.etas.de
> I'm quite ok with SW development but am quite dump when it comes to
> hardware development.
> 
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