Fuji Electric 7MBR150VN120-50 | High-Efficiency 7-in-1 PIM Module
The Fuji Electric 7MBR150VN120-50 is a highly integrated Power Integrated Module (PIM) designed to streamline the development of compact and efficient power conversion systems. Combining a three-phase converter, an inverter, and a brake chopper into a single package, this module is an exemplary solution for variable-speed motor drives, uninterruptible power supplies (UPS), and industrial automation applications where performance and space are critical.
- Brand: Fuji Electric
- Model: 7MBR150VN120-50
- Core Function: 1200V, 150A 7-in-1 PIM (Converter-Inverter-Brake)
- Key Advantage: Features advanced V-Series IGBT technology for superior efficiency and thermal performance.
- Typical Applications: AC motor drives, servo controllers, UPS systems, and renewable energy inverters.
Technical Deep Dive: V-Series Technology and Integrated Architecture
The performance of the 7MBR150VN120-50 is rooted in two core strengths: its advanced semiconductor technology and its intelligent, integrated design.
Advanced V-Series IGBT and FWD Technology
This module incorporates Fuji Electric's latest V-Series trench gate field-stop IGBTs. This technology is engineered to significantly reduce the collector-emitter saturation voltage (IGBT Vce(sat)), which directly minimizes conduction losses. Lower losses mean less waste heat, enabling designers to use smaller heatsinks, reduce system operating temperatures, and ultimately improve overall energy efficiency. The co-packaged freewheeling diodes (FWD) feature soft and fast recovery characteristics, which curtails voltage overshoot and oscillation during switching, simplifying EMC filter design and enhancing system reliability.
High-Integration Power Integrated Module (PIM)
The "7-in-1" or Converter-Inverter-Brake (CIB) topology is a game-changer for system architects. By integrating the input rectifier bridge, a three-phase output inverter, and a dynamic braking chopper into one component, the 7MBR150VN120-50 drastically reduces component count, simplifies PCB layout, and shortens assembly time. This approach not only shrinks the final product size but also minimizes parasitic inductance between stages, leading to cleaner switching performance.
Application-Specific Benefits
The unique features of the Fuji Electric 7MBR150VN120-50 deliver tangible value across various demanding applications:
- Variable Frequency Drives (VFDs): For general-purpose IGBTs in motor drives, the PIM architecture simplifies manufacturing and inventory management. The module's high efficiency reduces operational energy costs, while its compact footprint allows for smaller, more competitive drive designs.
- Uninterruptible Power Supplies (UPS): The module's inherent reliability, stemming from fewer discrete components and solder joints, is critical for mission-critical UPS systems. Low thermal losses ensure stable operation and extend the lifespan of both the module and surrounding components.
- Servo Drives & Robotics: In space-constrained servo applications, the all-in-one design is invaluable. The fast and smooth switching of the V-Series IGBTs enables precise motor control, crucial for high-accuracy positioning and dynamic response in robotics.
- Welding Equipment: The robust thermal performance and integrated brake chopper can effectively manage the high-current, dynamic loads characteristic of advanced inverter-based welding machines.
Key Technical Parameters
| Parameter | Value |
|---|---|
| Collector-Emitter Voltage (Vces) | 1200 V |
| Collector Current (Ic) @ 80°C | 150 A |
| Collector-Emitter Saturation Voltage (Vce(sat)) typ. | 1.70 V (Inverter) |
| Package Type | P630 |
| Max. Junction Temperature (Tj max) | 175 °C |
| Integrated Features | 3-Phase Rectifier, 3-Phase Inverter, Brake Chopper, NTC Thermistor |
For complete specifications, refer to the official 7MBR150VN120-50 Datasheet.
Selection Guidance: PIM vs. Discrete Solution
Engineers often weigh the choice between a PIM like the 7MBR150VN120-50 and a discrete solution (e.g., a separate rectifier, brake, and 6-pack inverter module). For applications in the power range up to approximately 22kW, a PIM typically offers a superior total cost of ownership. The benefits of reduced assembly complexity, smaller footprint, and simplified procurement outweigh the potential component-level cost difference. A discrete approach may offer more layout flexibility for highly specialized or very high-power designs but introduces more potential failure points and a more complex thermal management challenge.
Frequently Asked Questions (FAQ)
- What is the function of the integrated NTC thermistor?
The built-in NTC thermistor provides real-time temperature feedback directly from the module's baseplate. This allows the system controller to implement precise over-temperature protection (OTP) and monitor thermal performance, significantly enhancing system safety and reliability.
- Is this module suitable for high-frequency applications?
The Fuji Electric V-Series technology is optimized for switching frequencies typically found in industrial motor drives and UPS systems, generally in the range of 4 kHz to 12 kHz. This range strikes an excellent balance between minimizing switching losses and keeping audible noise out of the human hearing range.
By offering an exceptional blend of efficiency, integration, and reliability, the 7MBR150VN120-50 serves as a powerful building block for modern power electronics. To evaluate this module for your next project or to explore our full range of power solutions, please Contact Us for a Quote or browse our extensive catalog of IGBT Modules.
