Search found 7 matches

by Adrianbb
Mon Mar 16, 2026 9:08 am
Forum: Drive trains (motors and inverters)
Topic: Parameter settings for ADA4571 amr encoder
Replies: 1
Views: 68

Parameter settings for ADA4571 amr encoder

Hello, I searched a lot, but I didn't find any clear answer to my question. I´m running sine OI firmware and have ada4571 amr encoder. I'm not sure how to set correct parameters.
https://www.analog.com/media/en/technical-documentation/data-sheets/ADA4571.pdf
It have two sine waves per 360 ...
by Adrianbb
Wed Mar 11, 2026 3:06 pm
Forum: VW (VAG, Volkswagen, Audi, Porsche etc.)
Topic: VW Mild Hybrid Starter Alternator
Replies: 179
Views: 119927

Re: VW Mild Hybrid Starter Alternator

bananaman wrote: Tue Mar 10, 2026 11:35 pm Nice! Can you elaborate on what firmware you are using? Did you write it yourself or are you using some open source example?
https://github.com/jsphuebner/stm32-sine
by Adrianbb
Tue Mar 10, 2026 4:43 pm
Forum: VW (VAG, Volkswagen, Audi, Porsche etc.)
Topic: VW Mild Hybrid Starter Alternator
Replies: 179
Views: 119927

Re: VW Mild Hybrid Starter Alternator

So, I got it working with OI sine firmware on olimex STM-H103 board. All needed components are used original (Igbt, drivers, current sensors and position sensor). Only added some voltage dividers where was needed...
Of course, not everything goes according to plan... I haven't been able to get the ...
by Adrianbb
Sat Feb 28, 2026 6:15 pm
Forum: VW (VAG, Volkswagen, Audi, Porsche etc.)
Topic: VW Mild Hybrid Starter Alternator
Replies: 179
Views: 119927

Re: VW Mild Hybrid Starter Alternator

I had some time today, so I looked at the board. I think the processor could be replaced... I unsoldered the processor and measured the functionality of the drivers, current sensors and encoder. More later
audi startergenerator.jpg
by Adrianbb
Fri Feb 27, 2026 11:19 pm
Forum: VW (VAG, Volkswagen, Audi, Porsche etc.)
Topic: VW Mild Hybrid Starter Alternator
Replies: 179
Views: 119927

Re: VW Mild Hybrid Starter Alternator

I understand that. I'm more concerned with the use of this starter-generator. This discussion started five years ago. To this day, no one knows how to use it for purposes other than OEM. It's one thing to be able to test it on the bench, but we can't use it for what we want :)
by Adrianbb
Fri Feb 27, 2026 10:30 pm
Forum: VW (VAG, Volkswagen, Audi, Porsche etc.)
Topic: VW Mild Hybrid Starter Alternator
Replies: 179
Views: 119927

Re: VW Mild Hybrid Starter Alternator

I may have thought of something stupid, but hasn't anyone thought about the alternative of using an openverter mini controller board instead of an oem MCU? Or if anyone has any other ideas...? Because from a realistic point of view, this playing with CAN won't hurt anyone, but it's a huge waste of ...
by Adrianbb
Thu Feb 26, 2026 11:27 pm
Forum: VW (VAG, Volkswagen, Audi, Porsche etc.)
Topic: VW Mild Hybrid Starter Alternator
Replies: 179
Views: 119927

Re: VW Mild Hybrid Starter Alternator

Hello, I' m New here... I have working 4n0903028 unit and today i've tryed to spin it replaying log posted few pages before. Motor working as on the video that posted another user. But here I stopped...
I Can say that can adresses needed for motor spin are: 0x0EE, 0x151, 0x152, 0x3C0 and 0x504 ...