7MBP75VDA120-50 Fuji Electric 1200V 75A 7-in-1 Intelligent Power Module (IPM)

Content last revised on January 4, 2026

7MBP75VDA120-50: Fuji Electric V-Series Intelligent Power Module

A Comprehensive Engineering Review

The 7MBP75VDA120-50 is a highly integrated 1200V | 75A Intelligent Power Module (IPM) from Fuji Electric's V-Series, engineered to optimize the performance and simplify the design of motor control systems. Key benefits include significantly reduced power losses and enhanced system reliability through integrated protection. This module directly addresses the challenge of creating compact, efficient power stages by combining a three-phase inverter and a brake chopper into a single, thermally efficient package. What is the primary benefit of its integrated control circuits? It provides robust, built-in protection, reducing external component count and accelerating time-to-market.

Application Scenarios & Value

Streamlining Motor Drive Design with Integrated Power Stages

For systems prioritizing high power density and efficiency, such as industrial servo drives and general-purpose inverters up to 22 kW, the 7MBP75VDA120-50 is an optimal choice. Its core value lies in its 7-in-1 integration, which combines a 1200V, 75A rated three-phase inverter bridge with a dynamic brake chopper circuit. This level of integration is critical in applications where PCB space and assembly complexity are major design constraints.

Consider the engineering challenge of developing a compact servo drive for a multi-axis robotic arm. The traditional approach using discrete IGBTs and a separate gate driver board consumes significant volume and introduces multiple points of potential failure. The 7MBP75VDA120-50 solves this by consolidating the entire power stage. The V-Series IGBTs inside feature a low collector-emitter saturation voltage (VCE(sat) of 1.75V typ. at 75A), which directly translates to lower conduction losses and reduced heat generation. This allows engineers to specify a smaller heatsink, shrinking the overall drive dimensions and weight—a crucial advantage in motion control systems. The integrated gate drivers and comprehensive protection features for overcurrent (OC), short-circuit (SC), control supply undervoltage (UV), and overtemperature (OT) further simplify the design, ensuring robust operation without extensive external monitoring circuitry. For designs requiring higher current capacity in a similar integrated package, the 7MBR100VX120-50 offers a 100A rating.

Key Parameter Overview

Critical Specifications for Performance and Reliability Analysis

The technical specifications of the 7MBP75VDA120-50 are tailored for high-performance power conversion applications. The data presented here is sourced directly from the manufacturer's documentation to ensure accuracy for your design and evaluation processes.

Download the 7MBP75VDA120-50 datasheet for detailed specifications and performance curves.

Technical Deep Dive

Inside the IPM: A Closer Look at Integrated Protection and Control Logic

A key engineering advantage of the 7MBP75VDA120-50 is its sophisticated, built-in control and protection subsystem. This integration transforms the module from a simple collection of power switches into a self-monitoring power core. The internal gate drive ICs are not only optimized to drive the V-Series IGBTs efficiently, but they also incorporate critical fault detection circuits. This is analogous to a modern engine control unit (ECU) in a car; it doesn't just actuate the engine parts, it constantly monitors them for safe and optimal performance.

The module provides fault signals (Fo) for each phase, which are open-drain outputs. In the event of an overcurrent, short-circuit, or control undervoltage condition on a specific phase (U, V, W, or Brake), the corresponding Fo pin is pulled low. This provides immediate, specific feedback to the system's master controller (MCU or DSP), enabling it to take protective action, such as initiating a controlled shutdown. This architecture simplifies fault diagnostics and enhances the overall safety integrity of the Variable Frequency Drive (VFD) or servo system. Furthermore, the inclusion of a dedicated analog temperature output (Vot) allows for real-time monitoring of the module's internal temperature, enabling advanced thermal management strategies and predictive maintenance alerts.

Frequently Asked Questions

Engineering Inquiries on Implementation and Protection

How is the overcurrent (OC) protection level of the 7MBP75VDA120-50 configured?

The overcurrent protection level is internally fixed and calibrated by Fuji Electric. For the 7MBP75VDA120-50, the typical trip level is set at 112.5A. This value is engineered to protect the IGBTs from sustained overloads without requiring external current sense resistors and comparators for this specific function, simplifying the protection circuit design significantly.

What is the function of the integrated temperature sensor and what is its output characteristic?

The module includes an on-chip temperature sensor located near the IGBTs to provide a real-time indication of the internal substrate temperature. It outputs an analog voltage (Vot) that is proportional to the temperature. This allows the system controller to implement a precise overtemperature protection scheme, derate power output gracefully as temperatures rise, or control cooling fan speed dynamically, thereby improving both reliability and acoustic performance.

For further technical inquiries, application support, or to assess the suitability of the 7MBP75VDA120-50 for your specific power conversion project, please contact our technical sales team for assistance.