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Siemens MS45 PCB Components
The blue components are only soldered on MS45.1.
You can clearly see that the wideband controller and secondary CAN (LOCAN) hardware is missing.
Front Side
1. Fairchild V3040S IGBT
Ignition IGBTs with cylinder 6 at the top and cylinder 1 at the bottom. File:FS ISL9V3040S3ST.pdf
| Chip Markings |
|---|
| N438AL V3040S |
2. Infineon TLE4276GV
Low Drop Voltage Regulator for 5V supply voltage File:Infineon TLE4276.pdf
| Chip Markings |
|---|
| 4276GV AN440 |
3. Infineon Pressure Sensor
Ambient Pressure Sensor
4. AMIS ATM46C3
| Chip Markings |
|---|
| AMIS SIEMENS 0442THW SDIA ATM46C3 966781 |
5. AMIS ATM46C3
| Chip Markings |
|---|
| AMIS SIEMENS 0442THW SDIA ATM46C3 966781 |
6. Crystal
Generic 4.000000MHz Crystal
| Chip Markings |
|---|
| 4.000 4X: |
7. BDM Port
This is the BMD port for reading and writing. Pin spacing is x.xx mm
8. TVS Diode
CAN bus ESD protection diode for primary CAN Bus
| Chip Markings |
|---|
| NONE |
9. not defined
10. not defined
11. not defined
12. Motorola MC33186DH H-Bridge
Motorola MC33186DH H-Bridge Driver IC for the DBW system. File:Motorola MC33186.pdf
| Chip Markings |
|---|
| MC33186DH 1 KKER0107 |
Pin Description
- Pin 6 - X60003.43 - Electric Throttle Body Actuator 1
- Pin 7 - X60003.43 - Electric Throttle Body Actuator 1
- Pin 14 - X60003.44 - Electric Throttle Body Actuator 2
- Pin 15 - X60003.44 - Electric Throttle Body Actuator 2
13. not defined
14. MS45.1: TVS Diode
CAN bus ESD protection diode for secondary CAN Bus
| Chip Markings |
|---|
| NONE |
15. MS45.1: Bosch CJ120
Bosch CJ120 wideband controller IC to control precat LSU4.2 O2 sensor
16. MS45.1: Bosch CJ120
Bosch CJ120 wideband controller IC to control precat LSU4.2 O2 sensor
Back Side
