Martin Jäger

Results 44 comments of Martin Jäger

Ok, there we have it. ErrorFlags = 321 means we have bits 0, 5, 8 and 9 set, which corresponds to the following errors: - BMS_ERR_CELL_UNDERVOLTAGE - BMS_ERR_OPEN_WIRE - BMS_ERR_CHG_UNDERTEMP...

I have updated the firmware to report the individual cell temperatures instead of the average only (f20eb964dfe42b6897199e54fa8044cb5c9d2090). Please flash latest `main` branch to check. For me the result looks like...

You have to replace revision with your actual revision number, which is 0.3.

Well, then please do what is stated in the error message. Add the `--pristine` flag to the west command. Or delete the build folder. ``` west build -b [email protected] --pristine...

It should be: ``` west build -b [email protected] --pristine ```

Correct. We manufactured the first batch with 70u for inner and outer layer because the originally intended 105u were not suitble for the small pin pitch of the bq76952. Both...

Thanks for the report. Did you also short the unused cell channels? Basically all cell connections from Cell3+ onwards? Also can you see if there is something printed on the...

Ok. One further question: Do you actually have 16 cells (i.e. a 48V battery) or do you only want to build a 12V battery with 3 cells? What was the...

Hi Lorenzo. Thanks for reporting your findings. As far as I can see, the [TI reference design](https://www.ti.com/tool/TIDA-010208) has the diode D37 in the same direction. ![image](https://user-images.githubusercontent.com/17674105/235159261-45d5df1f-fdc9-4bf8-887b-05fb7ab62938.png) That being said, I...

Thanks for the link to the presentation. Very interesting. I don't agree, though, that the top right one is **always** the best solution: ![image](https://user-images.githubusercontent.com/17674105/158356999-dc91c52a-617d-408e-a5f3-7c81867eeb7b.png) In the presentation the GND connection...