Bosch INVCON3.3 - TC275 FAQ

Bosch INVCON3.3 - TC275

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Further Information on Bosch INVCON3.3 - TC275

About the Control Unit

The Bosch INVCON3.3 is a high-performance Inverter Control unit commonly utilized in modern hybrid and electric vehicle powertrains. Built on the powerful Infineon Aurix TC275 multicore microcontroller architecture, it ensures real-time processing of complex power electronics algorithms. This unit is critical for managing the conversion of DC power from the battery to AC power for the electric motor, emphasizing efficiency and functional safety in automotive applications.

Common Car Models

BMW i3
BMW 330e (G20)
BMW 530e (G30)
BMW X5 xDrive45e
Mini Cooper SE
Toyota Supra (A90) Hybrid
BMW 745e (G11/G12)

Technical Concepts Explained

TC275 (Aurix): The Infineon Aurix TC275 is a high-end 32-bit multicore microcontroller designed specifically for safety-critical automotive applications like power inverters and engine management.
INVCON: Short for Inverter Controller, this Bosch-specific designation refers to the hardware and software stack responsible for controlling the power electronics that drive traction motors in EVs and HEVs.
OBD/Bench/Boot: These refer to the communication methods used to access the ECU: OBD via the vehicle's diagnostic port, Bench via direct pin connection without opening the case, and Boot via internal circuit board access.