Tesla Model 3 Rear Drive Unit: Difference between revisions
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Kevin Sharpe (talk | contribs) (Created page with "[https://openinverter.org/forum/viewtopic.php?f=10&t=575 Tesla Model 3 Rear Drive Unit Hacking]") |
Davefiddes (talk | contribs) (Add in as may general details of the Tesla M3 drive unit as I can find from the hacking thread and linked videos.) |
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[https://openinverter.org/forum/viewtopic.php?f=10&t=575 Tesla Model 3 Rear Drive Unit Hacking] | == External Documentation == | ||
[https://openinverter.org/forum/viewtopic.php?f=10&t=575 Tesla Model 3 Rear Drive Unit Hacking] (forum thread) | |||
https://github.com/damienmaguire/Tesla-Model-3-Drive-Unit (Hardware and reverse engineering details) | |||
https://github.com/jsphuebner/stm32-sine/tree/tesla-m3-gate-driver (STM32 "modboard" firmware dev. branch) | |||
==Part Numbers== | |||
{| class="wikitable" | |||
!Part Number | |||
!Description | |||
!Max Current | |||
!Cars | |||
|- | |||
|1120970-00-F | |||
|(ASY,M3,3DU,REAR,IGBT) - original RWD and/or "binned" Perf | |||
|800A | |||
|Model 3 | |||
|- | |||
|1120980-00-G | |||
|(ASY,M3,REAR 3DU,MOSFET,GLOBAL) - early AWD motor | |||
|800A | |||
|Model 3 / Model Y | |||
|- | |||
|1120990-00-G | |||
|(ASY,M3,REAR,MOSFET-LC,GLOBAL) - newer AWD motor | |||
|600A | |||
|Model 3 / Model Y | |||
|- | |||
|1521365-00-B | |||
|(ASY, REMAN, 3DU-Rear 800 MOSFET) - Remanufactured 1120980-00-G | |||
|800A | |||
|Model 3 / Model Y | |||
|- | |||
|1521487-00-A | |||
|(ASY, REMAN, 3DU-REAR 630 MOSFET) - Remanufactured 1120990-00-G | |||
|600A | |||
|Model 3 / Model Y | |||
|} | |||
Details from https://www.reddit.com/r/teslamotors/comments/ioat3d/rear_motor_efficiency_improvements_980_vs_990/. | |||
== Connectors and Pinouts == | |||
{| class="wikitable" | |||
|+ | |||
!Label | |||
!Description | |||
!Pins | |||
!Compatible Plugs | |||
|- | |||
|? | |||
|Inverter connector | |||
|30 | |||
|? | |||
|- | |||
|? | |||
|Rotor Shaft Resolver | |||
|8 | |||
|? | |||
|- | |||
|? | |||
|Oil Pump | |||
|3 | |||
|? | |||
|} | |||
== Mechanical Specification == | |||
Max rotor speed: 18,447 rpm | |||
Input shaft gear: 31 teeth | |||
Counter shaft input: 81 teeth | |||
Counter shaft output: 24 teeth | |||
Ring gear: 83 teeth | |||
Gearbox Ratio: (81/31) * (83/24) = 9.036 | |||
Details from https://www.youtube.com/watch?v=SRUrB7ruh-8. | |||
== Inverter Components == | |||
{| class="wikitable" | |||
|+ | |||
!Manufacturer | |||
!Part No | |||
!Description | |||
!Quantity | |||
!Datasheet | |||
|- | |||
|ST | |||
|ST GK026 | |||
|SiC FET drive transistors | |||
|24 | |||
|? | |||
|- | |||
|ST | |||
|STGAP1AS | |||
|Gate Drivers | |||
|6 | |||
|https://www.st.com/en/power-management/stgap1as.html | |||
|- | |||
|TI | |||
|TMS320F28377DPTPQ | |||
|C2000 Delfino MCU | |||
|1 | |||
|[https://www.ti.com/lit/gpn/tms320f28377d TMS320F2837xD Dual-Core Microcontrollers Datasheet] | |||
[https://www.ti.com/lit/ug/spruhm8i/spruhm8i.pdf TMS320F2837xD Dual-Core Microcontrollers Technical Reference Manual] | |||
|- | |||
|On Semi | |||
|TCA0372BDW | |||
|Resolver amplifier | |||
|1 | |||
|https://www.onsemi.com/pdf/datasheet/tca0372-d.pdf | |||
|- | |||
|TI | |||
|LMV844 | |||
|Temperature sensor amplifier | |||
|1 | |||
|https://www.ti.com/lit/gpn/lmv844 | |||
|- | |||
|Microchip | |||
|25LC256E | |||
|EEPROM | |||
|1 | |||
|http://ww1.microchip.com/downloads/en/DeviceDoc/20005715A.pdf | |||
|- | |||
|TI | |||
|SN65HVD1040A | |||
|CAN Transceiver | |||
|2 | |||
|https://www.ti.com/lit/ds/symlink/sn65hvd1040a-q1.pdf | |||
|- | |||
|NXP | |||
|TJA1021 | |||
|LIN Transceiver | |||
|1 | |||
|https://www.nxp.com/docs/en/data-sheet/TJA1021.pdf | |||
|- | |||
|Broadcom | |||
|ACPL-C87BT-000E | |||
|DC HV sense | |||
|1 | |||
|https://docs.broadcom.com/docs/AV02-3564EN | |||
|- | |||
|Infineon | |||
|TLF35584QVVS2 | |||
|DC-DC Power and system watchdog | |||
|1 | |||
|https://uk.farnell.com/infineon/tlf35584qvvs1xuma2/multi-volt-pwr-supply-ic-40-to/dp/3155085 | |||
|- | |||
|TDK | |||
|VGT22EPC-222S6A12 | |||
|DC-DC Transformer (gate drive?) | |||
|1 | |||
|https://product.tdk.com/en/search/transformer/transformer/gate-drive/info?part_no=VGT22EPC-200S6A12 | |||
|} | |||
Details from https://www.youtube.com/watch?v=l6dV2re3rtM. |
Revision as of 13:53, 25 August 2021
External Documentation
Tesla Model 3 Rear Drive Unit Hacking (forum thread)
https://github.com/damienmaguire/Tesla-Model-3-Drive-Unit (Hardware and reverse engineering details)
https://github.com/jsphuebner/stm32-sine/tree/tesla-m3-gate-driver (STM32 "modboard" firmware dev. branch)
Part Numbers
Part Number | Description | Max Current | Cars |
---|---|---|---|
1120970-00-F | (ASY,M3,3DU,REAR,IGBT) - original RWD and/or "binned" Perf | 800A | Model 3 |
1120980-00-G | (ASY,M3,REAR 3DU,MOSFET,GLOBAL) - early AWD motor | 800A | Model 3 / Model Y |
1120990-00-G | (ASY,M3,REAR,MOSFET-LC,GLOBAL) - newer AWD motor | 600A | Model 3 / Model Y |
1521365-00-B | (ASY, REMAN, 3DU-Rear 800 MOSFET) - Remanufactured 1120980-00-G | 800A | Model 3 / Model Y |
1521487-00-A | (ASY, REMAN, 3DU-REAR 630 MOSFET) - Remanufactured 1120990-00-G | 600A | Model 3 / Model Y |
Details from https://www.reddit.com/r/teslamotors/comments/ioat3d/rear_motor_efficiency_improvements_980_vs_990/.
Connectors and Pinouts
Label | Description | Pins | Compatible Plugs |
---|---|---|---|
? | Inverter connector | 30 | ? |
? | Rotor Shaft Resolver | 8 | ? |
? | Oil Pump | 3 | ? |
Mechanical Specification
Max rotor speed: 18,447 rpm
Input shaft gear: 31 teeth
Counter shaft input: 81 teeth
Counter shaft output: 24 teeth
Ring gear: 83 teeth
Gearbox Ratio: (81/31) * (83/24) = 9.036
Details from https://www.youtube.com/watch?v=SRUrB7ruh-8.
Inverter Components
Details from https://www.youtube.com/watch?v=l6dV2re3rtM.