Search found 69 matches

by KimchiKimKim
Mon Jan 01, 2024 11:34 pm
Forum: Classifieds
Topic: ZEVA BMS24 System
Replies: 12
Views: 1535

Re: ZEVA BMS24 System

Dropping price to $175 a unit
by KimchiKimKim
Mon Oct 23, 2023 6:24 pm
Forum: Chevy/Opel/Vauxhall/PSA
Topic: HV battery testing methods
Replies: 6
Views: 6333

Re: HV battery testing methods

brianbri6 wrote: Sat Sep 02, 2023 2:32 pm You need to externally power the becm and connect to the HS CANBUS with GDS2 it will read the Voltages.20230809_104729.jpg
How did you get GDS2? I didn't think you could get it without being a service center.
by KimchiKimKim
Sat Sep 02, 2023 4:10 pm
Forum: General
Topic: ZEVA has gone "open sorce"
Replies: 53
Views: 12747

Re: ZEVA has gone "open sorce"

tensa wrote: Sat Sep 02, 2023 3:43 pm Kindly request that you point me to the documentation as I can not seem to find these data sheet registers for the life of me.
https://www.analog.com/media/en/technic ... 0324fa.pdf

Check operation section of this PEC (the CRC) info starts on page 17
by KimchiKimKim
Thu Aug 31, 2023 7:42 pm
Forum: General
Topic: ZEVA has gone "open sorce"
Replies: 53
Views: 12747

Re: ZEVA has gone "open sorce"

tensa wrote: Sat Aug 19, 2023 7:36 pm How do you add the CRC?
I used LTC6803-02 and they can't seem to work, I was wondering what the issue is.
All info to implement crc in code is documented in the 6803 data sheet memory registers.
by KimchiKimKim
Thu Aug 31, 2023 7:42 pm
Forum: General
Topic: ZEVA has gone "open sorce"
Replies: 53
Views: 12747

Re: ZEVA has gone "open sorce"

uberbug wrote: Tue Apr 25, 2023 3:01 am Thanks for the info! I sent a PM to ask if you want to sell some LTC8202-2 or finished boards.

Never received the pm! Sorry for the late response.
by KimchiKimKim
Wed May 31, 2023 2:09 am
Forum: Chevy/Opel/Vauxhall/PSA
Topic: Gen 1 vs Gen 2 BMS help
Replies: 5
Views: 3313

Re: Gen 1 vs Gen 2 BMS help

Are you sure you are working with gen 2 BMS? I'm pretty sure that BMS isn't distributed. Can you add some pictures of your test setup?
by KimchiKimKim
Sat Apr 22, 2023 7:51 pm
Forum: General
Topic: ZEVA has gone "open sorce"
Replies: 53
Views: 12747

Re: ZEVA has gone "open sorce"

LTC6803 introduced a CRC so you would need to add to the driver code in order to use it. however is pin compatible so no PCB changes. I bought a bunch of ltc6802-2 from an Alibaba IC sourcing company since their min order quantity was 50 units. They have all worked flawlessly so far and I have so ma...
by KimchiKimKim
Mon Feb 06, 2023 4:37 am
Forum: Classifieds
Topic: ZEVA BMS24 System
Replies: 12
Views: 1535

Re: ZEVA BMS24 System

johnspark wrote: Mon Feb 06, 2023 3:41 am Ah do you mean bootlace ferrules? that fixes stray wire strands, there would still be the issue of the screws 1mm apart. Crimpable TE superseal connectors sounds interesting. I would be happy to pay more for it.

Kind regards.
I could help but it depends on how many you want to purchase.
by KimchiKimKim
Sun Feb 05, 2023 11:19 pm
Forum: Classifieds
Topic: ZEVA BMS24 System
Replies: 12
Views: 1535

Re: ZEVA BMS24 System

KimchiKimKim, I love the overall design of these boards, (thank you Ian Hooper). But I have never been keen on the terminal connector with the screws only a mm away from each other. A potential short circuit could occur. Do you know of a different connector to the black ones that have say crimped o...
by KimchiKimKim
Tue Jan 24, 2023 11:50 pm
Forum: Classifieds
Topic: ZEVA BMS24 System
Replies: 12
Views: 1535

Re: ZEVA BMS24 System

johnspark wrote: Tue Jan 24, 2023 9:38 pm Ok well you have orders for 3 from me when you have the time,

Kind regards,
PMed
by KimchiKimKim
Tue Jan 24, 2023 6:19 pm
Forum: Classifieds
Topic: ZEVA BMS24 System
Replies: 12
Views: 1535

Re: ZEVA BMS24 System

Have you or are you going to create the Zeva current sensors? I have bought the Zeva system for my car to install once I get to that stage, so I am very glad you have created these items :) Yes, I will. These require a complete redesign since the current sensor used is extremely old and very diffic...
by KimchiKimKim
Tue Jan 24, 2023 6:31 am
Forum: Classifieds
Topic: ZEVA BMS24 System
Replies: 12
Views: 1535

ZEVA BMS24 System

Awhile back I made a bunch of BMS24 units for a project that has to monitor a ton of parallel groups. I ended up selling the battery pack and dropped it to 96 cells so I have a ton of extra BMS units left over. Since they are based on the hard-to-find LTC6802 IC I hand-calibrated and assembled them ...
by KimchiKimKim
Sat Dec 03, 2022 9:34 am
Forum: General
Topic: ZEVA has gone "open sorce"
Replies: 53
Views: 12747

Re: ZEVA has gone "open sorce"

Not using salvaged EV cells - I've using Boston Power Swing 5300 cells built up into 4S9P modules... Hi, its taken 6 months of waiting, but I finally have the Zeva pcbs made and now populated with the BMS and ATMega chips. Thanks very much to Ian Hooper for making this design available! I couldn't ...
by KimchiKimKim
Sat Dec 03, 2022 9:28 am
Forum: Battery Managment (BMS)
Topic: Orion BMS - High Side Driver
Replies: 2
Views: 3205

Re: Orion BMS - High Side Driver

Any resistors on the input to pull it to a steady state? Do not want any EMC noise or start up weirdness causing unwanted behaviour. Interesting point. When reading the datasheet of my switches they seem to take care of this internally. You're right it couldn't hurt to add this though but since it ...
by KimchiKimKim
Thu Dec 01, 2022 12:06 am
Forum: Battery Managment (BMS)
Topic: Original Orion vs Orion 2 query
Replies: 6
Views: 4461

Re: Original Orion vs Orion 2 query

They are almost identical functionality-wise. One of the key differences is the j1772 integration on ORION 2 and the ORION 2 is also way smaller.

If you can get a good deal I would definitely go with the ORION 1.
by KimchiKimKim
Thu Dec 01, 2022 12:01 am
Forum: Battery Managment (BMS)
Topic: Orion BMS - High Side Driver
Replies: 2
Views: 3205

Orion BMS - High Side Driver

Hi, The Orion BMS uses low-side switches as output for the BMS but the max output is 100ma (not enough to drive anything serious). I made a board that solves this problem. Probably could save money and skip caps but I used them since my BMS is super far away from my 12v battery (across the car) to p...
by KimchiKimKim
Fri Nov 25, 2022 5:09 am
Forum: Tesla
Topic: Tesla Charger alternative firmware
Replies: 314
Views: 49007

Re: Tesla Charger alternative firmware

Having an issue right now where my gen 2 Tesla OBC with the latest firmware from Patreon. The parameters do not save on a power cycle. The charger works but I need to manually set parameters every time I turn it on via the web interface. Does anyone know a workaround? I'm thinking about compiling a ...
by KimchiKimKim
Wed Nov 23, 2022 4:01 am
Forum: Tesla
Topic: EVControls TC-1 Teardown
Replies: 5
Views: 869

Re: EVControls TC-1 Teardown

Called up EV controls. They state that without the logic board I'm straight out of luck as they do not reflash more than one control board per unit sold. Man, I really wish someone would post the CAN firmware update sequence for updating the drive unit. I've been looking into doing this for a while ...
by KimchiKimKim
Tue Nov 22, 2022 3:40 am
Forum: Tesla
Topic: EVControls TC-1 Teardown
Replies: 5
Views: 869

Re: EVControls TC-1 Teardown

I bought a new display and the touch is restored! Looks like the guy basically gave me a TC-1 for free since the replacement resistive touch panel was less than 20bucks from buydisplay.com Unfortunately, there is nothing in settings or options for firmware updating. I think the fuse they set might b...
by KimchiKimKim
Sun Nov 06, 2022 7:24 am
Forum: Chevy/Opel/Vauxhall/PSA
Topic: Chevy BOLT CAN logs
Replies: 4
Views: 3476

Re: Chevy BOLT CAN logs

I probably could make some.. rather.. I have can connections.. but I'm not sure to which bus's.. but its probably what you need. my connections are via the camera.. and with openpilot/comma if your still interested.. hit me up and I'll see what I can do. the format I'd gather is almost certainly a ...
by KimchiKimKim
Sat Nov 05, 2022 11:54 pm
Forum: Chevy/Opel/Vauxhall/PSA
Topic: Chevy BOLT CAN logs
Replies: 4
Views: 3476

Re: Chevy BOLT CAN logs

I have a 2020 model QAC7000 module so something of that year. Whatever you have would be useful though!
by KimchiKimKim
Sun Oct 30, 2022 5:01 am
Forum: Tesla
Topic: EVControls TC-1 Teardown
Replies: 5
Views: 869

EVControls TC-1 Teardown

I bought a broken TC-1 to teardown and show whats going on inside. The design is super weird - using high-side drivers to drive relays but not just driving 12v outputs with them directly. Also, everything is hand soldered and there were even solder balls running around inside! They are using a Mikro...
by KimchiKimKim
Wed Jul 27, 2022 5:25 pm
Forum: Chevy/Opel/Vauxhall/PSA
Topic: Chevy BOLT CAN logs
Replies: 4
Views: 3476

Chevy BOLT CAN logs

I am looking at the chevy bolt and was wondering if anyone had CAN logs for GMLAN 6 and 1 during DC fast charging. I haven't been able to find any info online but OBD2 messages.

Thanks!
by KimchiKimKim
Wed Jun 08, 2022 7:29 am
Forum: Projects
Topic: 818C + Tesla Sport LDU
Replies: 23
Views: 4614

Re: 818C + Tesla Sport LDU

UPDATE I got a VIN! Luckily the CHP didn't care much for body panels and just riveted on the VIN no problem. I've been really quite since I'm diving really deep into embedded systems coding. I decided to redo the BMS system and instead leveraging chevy volt gen 1 BMS modules (since the CAN network i...
by KimchiKimKim
Wed May 11, 2022 9:10 am
Forum: Projects
Topic: 818C + Tesla Sport LDU
Replies: 23
Views: 4614

Re: 818C + Tesla Sport LDU

Did Advantics reflash the ldu for you? Or did you have to do through one of their retailers? Great progress! Advantics did. I'm 99% sure that no one besides Advantics can reflash them. I would not buy this controller through anyone but Advantics as they are most likely not adding any value to the t...