IPace Front Motor Hacking

Jaguar / Landrover hardware hacking
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Jack Bauer
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IPace Front Motor Hacking

Post by Jack Bauer »

So I figured I'd better start a subforum and put in a placeholder for Ipace parts hacking. From a 2020 vehicle. Have a front motor and inverter and quite a bit more that I don't know:)
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Re: IPace Front Motor Hacking

Post by Jack Bauer »

I'm going to need a hacksaw
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Re: IPace Front Motor Hacking

Post by MattsAwesomeStuff »

You're the DIY EV equivalent of the guy who's on a date with 2 different women at the same time, and then when a girl at the bar flashes him a smile he takes time to chat her up and get her number too. :D
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Re: IPace Front Motor Hacking

Post by Jack Bauer »

Girl at the bar wants to talk FlexRay!
https://en.wikipedia.org/wiki/FlexRay
https://www.nxp.com/docs/en/data-sheet/TJA1080A.pdf

Just when we were all settling down to CAN along comes FlexRay! Wheeeeee :roll:
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Re: IPace Front Motor Hacking

Post by mdrobnak »

Ugh. Too rich for my blood.

Interestingly, Comma.ai built a board using an FPGA to intercept steering FlexRay...they also acknowledged it was a giant hack and still have no further support for the vehicle:
https://medium.com/@comma_ai/hacking-an ... 10b1d29f3f

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Re: IPace Front Motor Hacking

Post by DaveH »

Ugh, Volvo changed to FlexRay a few years ago as well. Why use a perfectly good standard when you can make it WAY more complicated.
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Re: IPace Front Motor Hacking

Post by Jack Bauer »

Interesting article on comma.ai. Most useful is they opensourced a flexray decode for the Saleae and published the fpga design. That said, I feel a replacement logic board coming on. This automotive stuff is funny. Nothing in a car that can't be handled by CAN or even good old RS485 and yet we see crap like this....
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Re: IPace Front Motor Hacking

Post by arber333 »

Damien, NO! You dont want to do anything without Jaguar BMS!

Seriously, i have a complete BMS from my battery here. If you want to go for it or have too much time on your hands, or there are three of you cloned etc... i can donate it to you since i have my own solution for BMS :). I also have a complete harness from Battery to BMS and some of it towards the outside.

PM me if you want it.
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Re: IPace Front Motor Hacking

Post by Jack Bauer »

......NO.........must resist......... :)

Johannes : "I can do FOC with an STM32F103 and lots of other stuff"

Auto Industry : "We can do FOC and weird comms with a quad core....oh wait"
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Re: IPace Front Motor Hacking

Post by Jack Bauer »

We're in....

anyone want to help find that mystery psu control ic .... ?
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Re: IPace Front Motor Hacking

Post by Jack Bauer »

FlexRay Transciever : NCV7381
https://www.onsemi.com/pub/Collateral/NCV7381-D.PDF

BUT...We also have a CAN transciever : TJA1043
https://www.nxp.com/docs/en/data-sheet/TJA1043.pdf

edit : is it me or do FPGAs have the coolest names? Cyclone IV , Spartan 6 ....
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Re: IPace Front Motor Hacking

Post by arber333 »

Jack Bauer wrote: Tue Dec 01, 2020 3:45 pm is it me or do FPGAs have the coolest names? Cyclone IV , Spartan 6 ....
Warriors and storms. Seems like X-men fans :)
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Re: IPace Front Motor Hacking

Post by mdrobnak »

LOL are they doing angular processing in the FPGA? (MoTeC does this for engines)

The TriCore can do quite a bit too.

Wow, so, yeah that's...really, really overkill.

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Re: IPace Front Motor Hacking

Post by johu »

Electric motor control hasn't evolved that much in 3 decades, yet they keep throwing more hardware at it :)
I'm more impressed by the mechanical and power electronics design.
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Re: IPace Front Motor Hacking

Post by mdrobnak »

_OH_

Continental. That makes so much sense now. They love their TriCore. Probably same engineers as the Engine Control. :D

The hardware does look good, and pretty compact.
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Re: IPace Front Motor Hacking

Post by johu »

Electric motor control hasn't evolved that much in 3 decades, yet they keep throwing more hardware at it :)
I'm more impressed by the mechanical and power electronics design.
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Re: IPace Front Motor Hacking

Post by joromy »

johu wrote: Wed Dec 02, 2020 12:02 am Electric motor control hasn't evolved that much in 3 decades, yet they keep throwing more hardware at it :)
I'm more impressed by the mechanical and power electronics design.
We should be glad they make big boards, and not tiny boards that is normal in almost any other product.
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Re: IPace Front Motor Hacking

Post by joromy »

Jack Bauer wrote: Tue Dec 01, 2020 3:45 pm edit : is it me or do FPGAs have the coolest names? Cyclone IV , Spartan 6 ....
Cool name on the board to "Continental"?
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Re: IPace Front Motor Hacking

Post by Jack Bauer »

johu wrote: Wed Dec 02, 2020 12:02 am Electric motor control hasn't evolved that much in 3 decades, yet they keep throwing more hardware at it :)
I'm more impressed by the mechanical and power electronics design.
But Johannes! How else will they keep up with a dual 10Mbps flexray comms bus .........oh wait....
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Re: IPace Front Motor Hacking

Post by Mouse »

It might be worth measuring up the flexi ribbon cable to see if it's simply a standard FFC, Flat Flex Cable format.
These cable ends come in standard sizes with different types of zero insertion force connector available and each with different orientations that will all fit the same cable ends.
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Re: IPace Front Motor Hacking

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I'm going to need a hacksaw
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Re: IPace Front Motor Hacking

Post by Jack Bauer »

Thanks to a youtube comment we now know the inverter is made by a German company called Vitesco for several different oems.

https://vitesco-technologies.com/en/Hom ... PF2-8-)-en

They even call this version the open inverter :)
https://vitesco-technologies.com/en/Hom ... nverter-en
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Re: IPace Front Motor Hacking

Post by Dilbert »

From memory them pins are called compliant pins, claim to be better than soldering as the allow for expansion etc...

Have seen them fain on Bmw air bag satellite sensors, where the housing / connector had 3 compliant pins for the connections and the pcb was a push fit.

I'm not sure the pitch of your connector but if the are at 0.1 inch pitch you should be able to put a samtech connector on the new top board and solder long pins into the bottom board.
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Re: IPace Front Motor Hacking

Post by Jack Bauer »

Need to measure your hvdc with 16 bit accuracy and 10MHZ clock speed? Of course you can with the new AMC1305 from Texas Instruments.
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Re: IPace Front Motor Hacking

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I'm going to need a hacksaw
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