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2026-04-28T17:40:01Z
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https://openinverter.org/wiki/index.php?title=Tesla_Model_3_Rear_Drive_Unit&diff=3510
Tesla Model 3 Rear Drive Unit
2023-03-16T14:40:53Z
<p>Vwbrady: /* Connectors and Pinouts */</p>
<hr />
<div>== External Documentation ==<br />
[https://openinverter.org/forum/viewtopic.php?f=10&t=575 Tesla Model 3 Rear Drive Unit Hacking] (forum thread)<br />
<br />
https://github.com/damienmaguire/Tesla-Model-3-Drive-Unit (Hardware and reverse engineering details)<br />
<br />
https://github.com/jsphuebner/stm32-sine/tree/tesla-m3-gate-driver (STM32 "modboard" firmware dev. branch)<br />
<br />
==Part Numbers==<br />
<br />
{| class="wikitable"<br />
!Part Number<br />
!Description<br />
!Max Current<br />
!Cars<br />
|-<br />
|1120970-00-F<br />
|(ASY,M3,3DU,REAR,IGBT) - original RWD and/or "binned" Perf<br />
|800A<br />
|Model 3<br />
|-<br />
|1120980-00-G<br />
|(ASY,M3,REAR 3DU,MOSFET,GLOBAL) - early AWD motor<br />
|800A<br />
|Model 3 / Model Y<br />
|-<br />
|1120990-00-G<br />
|(ASY,M3,REAR,MOSFET-LC,GLOBAL) - newer AWD motor<br />
|600A<br />
|Model 3 / Model Y<br />
|-<br />
|1120990-00-H<br />
|(ASY,M3,REAR,MOSFET-LC,GLOBAL) - newer AWD motor 2021 with few hints on it's actual existence ([2])<br />
|???A<br />
|Model 3 / Model Y<br />
|-<br />
|1120990-00-J<br />
|(ASY,M3,REAR,MOSFET-LC,GLOBAL) - current (Jan 2022) AWD (EPC [3]) <br />
|???A<br />
|Model 3 / Model Y<br />
|-<br />
|1521365-00-B<br />
|(ASY, REMAN, 3DU-Rear 800 MOSFET) - Remanufactured 1120980-00-G<br />
|800A<br />
|Model 3 / Model Y<br />
|-<br />
|1521487-00-A<br />
|(ASY, REMAN, 3DU-REAR 630 MOSFET) - Remanufactured 1120990-00-G<br />
|600A<br />
|Model 3 / Model Y<br />
|}<br />
<br />
[1] Details from https://www.reddit.com/r/teslamotors/comments/ioat3d/rear_motor_efficiency_improvements_980_vs_990/. <br><br />
[2] https://www.ebay.de/itm/185026392386 <br><br />
[3] https://epc.tesla.com/en/catalogs/138/categories/10030/subcategories/42427<br />
<br />
== Connectors and Pinouts ==<br />
{| class="wikitable"<br />
|+<br />
!Label<br />
!Description<br />
!Pins<br />
!Compatible Plugs<br />
!Link<br />
|-<br />
|X090<br />
|Inverter connector<br />
|30<br />
|Toyota 90980-12712 (Sumitomo 6189-6987)<br />
|<br />
|-<br />
|?<br />
|Rotor Shaft Resolver<br />
|10 (8 connected)<br />
|TE Connectivity 1-2282337-1<br />
|<br />
|-<br />
|?<br />
|Oil Pump<br />
|3<br />
|TE Connectivity 1-1718644-1<br />
|<br />
|-<br />
|?<br />
|HV connector<br />
|2<br />
|TE Connectivity HC-STAK 90° 2840900-1<br />
|[https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Specification+Or+Standard%7F114-162001%7FJ%7Fpdf%7FEnglish%7FENG_SS_114-162001_J.pdf%7F2840900-1 TE Product Application]<br />
|}<br />
<br />
== Mechanical Specification ==<br />
Max rotor speed: 18,447 rpm<br />
<br />
Input shaft gear: 31 teeth<br />
<br />
Counter shaft input: 81 teeth<br />
<br />
Counter shaft output: 24 teeth<br />
<br />
Ring gear: 83 teeth<br />
<br />
Gearbox Ratio: (81/31) * (83/24) = 9.036<br />
<br />
Details from https://www.youtube.com/watch?v=SRUrB7ruh-8.<br />
<br />
== Inverter Components ==<br />
{| class="wikitable"<br />
|+<br />
!Manufacturer<br />
!Part No<br />
!Description<br />
!Quantity<br />
!Datasheet<br />
|-<br />
|ST<br />
|ST GK026<br />
|SiC FET drive transistors<br />
|24<br />
|https://www.st.com/en/power-transistors/sctw100n65g2ag.html (?)<br />
|-<br />
|ST<br />
|STGAP1AS<br />
|Gate Drivers<br />
|6<br />
|https://www.st.com/en/power-management/stgap1as.html<br />
|-<br />
|ST<br />
|STD46P4LLF6<br />
|P-channel Power MOSFET 40V<br />
|6<br />
|https://www.st.com/en/power-transistors/std46p4llf6.html<br />
|-<br />
|Infineon<br />
|3N0408<br />
|N-channel Power Transistor<br />
|6<br />
|<br />
|-<br />
|TI<br />
|TMS320F28377DPTPQ<br />
|C2000 Delfino MCU<br />
|1<br />
|[https://www.ti.com/lit/gpn/tms320f28377d TMS320F2837xD Dual-Core Microcontrollers Datasheet]<br />
[https://www.ti.com/lit/ug/spruhm8i/spruhm8i.pdf TMS320F2837xD Dual-Core Microcontrollers Technical Reference Manual]<br />
|-<br />
|On Semi<br />
|TCA0372BDW<br />
|Resolver amplifier<br />
|1<br />
|https://www.onsemi.com/pdf/datasheet/tca0372-d.pdf<br />
|-<br />
|TI<br />
|LMV844<br />
|Temperature sensor amplifier<br />
|1<br />
|https://www.ti.com/lit/gpn/lmv844<br />
|-<br />
|Microchip<br />
|25LC256E<br />
|EEPROM<br />
|1<br />
|http://ww1.microchip.com/downloads/en/DeviceDoc/20005715A.pdf<br />
|-<br />
|TI<br />
|SN65HVD1040A<br />
|CAN Transceiver<br />
|2<br />
|https://www.ti.com/lit/ds/symlink/sn65hvd1040a-q1.pdf<br />
|-<br />
|NXP<br />
|TJA1021<br />
|LIN Transceiver<br />
|1<br />
|https://www.nxp.com/docs/en/data-sheet/TJA1021.pdf<br />
|-<br />
|Broadcom<br />
|ACPL-C87BT-000E<br />
|DC HV sense<br />
|1<br />
|https://docs.broadcom.com/docs/AV02-3564EN<br />
|-<br />
|Infineon<br />
|TLF35584QVVS2<br />
|DC-DC Power and system watchdog<br />
|1<br />
|https://uk.farnell.com/infineon/tlf35584qvvs1xuma2/multi-volt-pwr-supply-ic-40-to/dp/3155085<br />
|-<br />
|TDK<br />
|VGT22EPC-222S6A12<br />
|DC-DC Transformer (gate drive?)<br />
|1<br />
|https://product.tdk.com/en/search/transformer/transformer/gate-drive/info?part_no=VGT22EPC-200S6A12<br />
|}<br />
Details from https://www.youtube.com/watch?v=l6dV2re3rtM.<br />
<br />
[[Category:OEM]] [[Category:Tesla]] [[Category:Motor]] [[Category:Inverter]] [Category:Gearbox]]</div>
Vwbrady