BMW i3 Inverter: Difference between revisions

From openinverter.org wiki
Jump to navigation Jump to search
m (Crasbe moved page I3 inverter to BMW i3 Inverter: Make titles consistent)
m (Added description of resolver connector and cables from forum posts.)
Line 32: Line 32:
| 9|| 5V (OUT) ||  
| 9|| 5V (OUT) ||  
|-
|-
| 10|| RESOLVER_S2/ENCODER_A || Sin Low
| 10|| RESOLVER_S2/ENCODER_A || Sin Low (blue)
|-
|-
| 11|| GND ||  
| 11|| GND ||  
|-
|-
| 12|| RESOLVER_S1 || Sin Hi
| 12|| RESOLVER_S1 || Sin Hi (red)
|-
|-
| 13|| THROTTLE1 ||  
| 13|| THROTTLE1 ||  
Line 42: Line 42:
| 14|| THROTTLE2 ||  
| 14|| THROTTLE2 ||  
|-
|-
| 15|| RESOLVER_R1 || Excitation Hi
| 15|| RESOLVER_R1 || Excitation Hi (yellow)
|-
|-
| 16|| RESOLVER_S3/ENCODER_B || Cos Hi
| 16|| RESOLVER_S3/ENCODER_B || Cos Hi (white)
|-
|-
| 17|| MTEMP+ ||  
| 17|| MTEMP+ || (blue)
|-
|-
| 18|| MTEMP- ||  
| 18|| MTEMP- || (grey)
|-
|-
| 19|| RESOLVER_S4 || Cos Low
| 19|| RESOLVER_S4 || Cos Low (brown)
|-
|-
| 20|| EMCYSTOP_IN ||  
| 20|| EMCYSTOP_IN ||  
Line 56: Line 56:
| 21 || GND ||  
| 21 || GND ||  
|-
|-
| 22|| RESOLVER_R2 || Excitation Low
| 22|| RESOLVER_R2 || Excitation Low (green)
|-
|-
| 23|| START_IN ||  
| 23|| START_IN ||  
|-
| || ||
|-
| || ||
|}
|}
''Note: colours in description column above are for the BMW cables coming from the motor.''


There are 2 variants of the i3. one with the REX and one with out.
There are 2 variants of the i3. one with the REX and one with out.
Line 282: Line 280:
|
|
|}
|}
'''Motor Resolver & Temperature Sensors'''


12-pin connector from the motor is an ERNI MiniBridge vertical SMT, part number 294920
[[Category:OEM]] [[Category:BMW]] [[Category:Inverter]]
[[Category:OEM]] [[Category:BMW]] [[Category:Inverter]]

Revision as of 22:50, 1 November 2023

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
Pin No Assigniment Description
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 Sin Low (blue)
11 GND
12 RESOLVER_S1 Sin Hi (red)
13 THROTTLE1
14 THROTTLE2
15 RESOLVER_R1 Excitation Hi (yellow)
16 RESOLVER_S3/ENCODER_B Cos Hi (white)
17 MTEMP+ (blue)
18 MTEMP- (grey)
19 RESOLVER_S4 Cos Low (brown)
20 EMCYSTOP_IN
21 GND
22 RESOLVER_R2 Excitation Low (green)
23 START_IN

Note: colours in description column above are for the BMW cables coming from the motor.

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 Pin No I/O Description Notes
1 21 GND Switching Mosfets ?
2 I 32V in 22 GND Switching Mosfets ?
3 I 32V in 23
4 I IGBT A HI 24
5 I IGBT A LOW 25
6 I CS (ADC) 26 GND IGBT Driver ground
7 I SDI 27 GND IGBT Driver ground
8 I SDO 28 GND IGBT Driver ground
9 I SCK 29 GND IGBT Driver ground
10 I IGBT B HI 30 GND IGBT Driver ground
11 I IGBT B LOW 31 GND IGBT Driver ground
12 I IGBT C HI 32 GND IGBT Driver ground
13 I IGBT C LOW 33 5V IGBT Driver Power
14 34 5V IGBT Driver Power
15 35 I IGBT PSU 12V on
16 O IGBT DRIVER UVW Upper Ready 36 O IGBT Driver Fault
17 O IGBT DRIVER UVW Lower Ready 37 I 5V LEM Current sensor Power
18 O Current Sense C Signal 38 GND Current sensor Ground
19 O Current Sense B Signal 39 GND Current sensor Ground
20 O Current Sense A Signal 40 GND Current sensor Ground

Motor Resolver & Temperature Sensors

12-pin connector from the motor is an ERNI MiniBridge vertical SMT, part number 294920