The traction inverter converts energy from the vehicle's battery in order to drive the motors in the drivetrain. This key component has a direct impact on road performance, driving range and reliability of the vehicle also as a consequence of their weight and size.
Subject to all the possible stress found in a road vehicle from heat and vibrations, these converters must be able to handle high power and currents along with the associated Electro Magnetic Compatibility (EMC) challenges as well as provide fail-safe operation to ensure dependability and safety for the driver and passengers.
To help developers increase the inverter's power efficiency and reduce size and weight, ST has a wide offer of discrete semiconductors including AEC-Q101 qualified IGBTs and both silicon and silicon-carbide (SiC) MOSFETs and diodes, AEC-Q100 qualified galvanically isolated IGBT and MOSFET gate drivers and SPC5 32-bit automotive microcontrollers for designing scalable, cost-effective and energy-efficient EV traction inverter solutions.
Traction inverter block diagram
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Amplifiers and Comparators
| Part number | Description |
|---|---|
| TSC102 | High side current sense amplifier plus signal conditioning amplifier |
Automotive Analog and Power
Automotive Microcontrollers
| Part number | Description |
|---|---|
| SPC56EL54L3 | 32-bit Power Architecture MCU for Automotive Chassis and Safety Applications |
| SPC584B70E7 | 32-bit Power Architecture MCU for Automotive General Purpose Applications - Chorus family |
| SPC58EC80C3 | 32-bit Power Architecture MCU for Automotive General Purpose Applications - Chorus family |
| SPC58NE84C3 | 32-bit Power Architecture MCU for High Performance Applications |
Power Transistors
| Part number | Description |
|---|---|
| SCTW100N65G2AG | Automotive-grade silicon carbide Power MOSFET 650 V, 100 A, 20 mOhm (typ. TJ = 25 C) in an HiP247 package |
| STGYA120M65DF2AG | Automotive-grade trench gate field-stop IGBT, M series 650 V, 120 A low loss in a Max247 long leads package |
Protection Devices
| Part number | Description |
|---|---|
| ESDCAN01-2BLY | Automotive dual-line TVS in SOT23-3L for CAN bus (12 V system) |
| ESDCAN03-2BWY | Automotive dual-line TVS in SOT323-3L for CAN bus (12 V system) |
| ESDCAN05-2BWY | Automotive dual-line TVS in SOT323-3L for CAN bus (24 V system) |
| SM15TY | Automotive 1500 W TVS in SMC |
| SM30TY | Automotive 3000 W TVS in SMC |
| SM4TY | Automotive 400 W TVS in SMA |
| SM6T250CAY | Automotive 600 W, 213 V TVS in SMB |
| SMA6TY | Automotive 600 W TVS in SMA |
