onsemi EliteSiC SPM 31 Intelligent Power Modules (IPMs)
Inverter 1200V 40A, 50A, 70A
The EliteSiC SPM 31 series are compact, high-efficiency 1200V SiC-based intelligent power modules designed for three-phase inverter motor drives. They integrate six EliteSiC MOSFETs, high- and low-side gate drivers, temperature sensing, and built-in protections in a single package. Offering current ratings from 40A to 70A, these IPMs deliver superior power density, fast switching, and reduced losses compared to IGBT solutions, enabling smaller board sizes, simplified design, and lower total system cost. Ideal for industrial and commercial applications such as HVAC systems, heat pumps, servo motors, robotics, and EC fans in AI data centers, the SPM 31 series ensures high reliability, improved thermal performance, and compliance with global safety standards.
Key features
- 1200 V / 40, 50, 70 A, three phase SiC MOSFET inverter including control ICs for gate driving and protections
- Very low thermal resistance by adopting DBC substrate
- Easy PCB layout thanks to built-in bootstrap circuits
- Open source configuration for easy monitoring of each phase current sensing
- Single-grounded power supply thanks to built-in HVICs and bootstrap operations
- Built-in temperature sensing function by LVIC and NTC
- Isolation Rating of 2500 Vrms / min
Applications
- Inverter motor drives
- Electronically commutated (EC) fans
- Hat pumps
- Commercial HVAC systems
- Servo motors
- Robotics
- Industrial pumps and fans
- Variable frequency drives (VFDs)
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