Tesla Model 3 Battery: Difference between revisions
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[https://openinverter.org/forum/viewtopic.php?f=10&t=577 Tesla Model 3 Battery Hacking] | [https://openinverter.org/forum/viewtopic.php?f=10&t=577 Tesla Model 3 Battery Hacking] | ||
[[File:M3 HVS Pinout.jpg|thumb|pinout from HV controller]] | |||
model 3/y battery uses custom versions of the [https://www.analog.com/en/products/ltc6812-1.html#product-overview LTC6812 chips] for voltage sensing dubed "batman" | |||
bms boards talk via a modified version of isospi | |||
Damien Maguire has developed 2 different unfished approaches to communicating directly with the cell level boards: | |||
https://www.evbmw.com/index.php/evbmw-webshop/tesla-boards/tesla-model-3-bms | |||
https://www.evbmw.com/index.php/evbmw-webshop/tesla-boards/tesla-model-3-bms-batman | |||
[[File:Broken isospi.gif|thumb|broken isospi conector]] | |||
=== HV controller === | |||
[https://openinverter.org/forum/viewtopic.php?t=1650 Model 3 High Voltage Controller] | |||
the HV controller located in the penthouse controls the PCS, contactors, pyro fuse, talks to the bms boards, etc | |||
reading cell voltages and controlling contactors can be done by talking to the HV controller over CANbus | |||
you can read cell temps and voltages with [https://www.scanmytesla.com/ scanmytesla] and hooking up a obd connector to the hv controller canbus | |||
the HV matting connector is: | |||
Sumitomo TS Sealed Series | |||
[https://kinkong-connector.com/ru/products/6189-6934-ID2081.html 6189-6934] | |||
[http://prd.sws.co.jp/components/en/detail.php?number_s=61897077 6189-7077] | |||
see thread post https://openinverter.org/forum/viewtopic.php?p=31886#p31886 | |||
[[Category:OEM]] [[Category:Tesla]] [[Category:Battery]] | [[Category:OEM]] [[Category:Tesla]] [[Category:Battery]] | ||
Revision as of 18:31, 14 January 2023
model 3/y battery uses custom versions of the LTC6812 chips for voltage sensing dubed "batman"
bms boards talk via a modified version of isospi
Damien Maguire has developed 2 different unfished approaches to communicating directly with the cell level boards:
https://www.evbmw.com/index.php/evbmw-webshop/tesla-boards/tesla-model-3-bms
https://www.evbmw.com/index.php/evbmw-webshop/tesla-boards/tesla-model-3-bms-batman
HV controller
Model 3 High Voltage Controller
the HV controller located in the penthouse controls the PCS, contactors, pyro fuse, talks to the bms boards, etc
reading cell voltages and controlling contactors can be done by talking to the HV controller over CANbus
you can read cell temps and voltages with scanmytesla and hooking up a obd connector to the hv controller canbus
the HV matting connector is:
Sumitomo TS Sealed Series
see thread post https://openinverter.org/forum/viewtopic.php?p=31886#p31886