BMW i3 Inverter

BMW I3 inverter

BMW I3 inverter

Forum thread: https://openinverter.org/forum/viewtopic.php?p=23214#p23214

BMW i3™ inverter drop-in board Available

https://openinverter.org/shop/index.php?route=product/product&product_id=72

Pinout for Ampseal Plug

1. 12V
2. BRAKE_IN
3. PRECHARGE_OUT
4. CANL
5. CANH
6. DCSW_OUT
7. FORWARD_IN
8. REVERSE_IN
9. 5V (OUT)
10. RESOLVER_S2/ENCODER_A
11. GND
12. RESOLVER_S1
13. THROTTLE1
14. THROTTLE2
15. RESOLVER_R1
16. RESOLVER_S3/ENCODER_B
17. MTEMP+
18. MTEMP-
19. RESOLVER_S4
20. EMCYSTOP_IN
21. GND
22. RESOLVER_R2
23. START_IN

There are 2 variants of the i3. one with the REX and one with out.

the REX variant has a additional 25kw inverter to run the onboard generator.

power stage: Infineon FS800R07 IGBTs rated for 800amps 650v

Gate Driver Board Pin out.

Pin No I/O Description Notes

1

2 i 32V in

3 i 32V in

4 i IGBT A HI

5 i IGBT A LOW

6 /CS (ADC)

7 SDI

8 SDO

9 SCK

10 i IGBT B HI

11 i IGBT B LOW

12 i IGBT C HI

13 i IGBT C LOW

14

15

16 O IGBT DRIVER UVW Upper Ready

17 O IGBT DRIVER UVW Lower Ready

18 O Current Sense C Signal

19 O Current Sense B Signal

20 O Current Sense A Signal

21 GND Switching Mosfets ?

22 GND Switching Mosfets ?

23

24

25

26 GND IGBT Driver ground

27 GND IGBT Driver ground

28 GND IGBT Driver ground

29 GND IGBT Driver ground

30 GND IGBT Driver ground

31 GND IGBT Driver ground

32 GND IGBT Driver ground

33 5V IGBT Driver Power

34 5V IGBT Driver Power

35 I IGBT PSU 12V on

36 O IGBT Driver Fault

37 i 5V LEM Current sensor Power

38 GND Current sensor Ground

39 GND Current sensor Ground

40 GND Current sensor Ground