Mitsubishi PM300DVA120 IGBT Module

Content last revised on October 24, 2025.

PM300DVA120 | 1200V 300A Dual Intelligent Power Module (IPM)

Product Overview

An Integrated Solution for Accelerated Power System Development

The Mitsubishi PM300DVA120 is an Intelligent Power Module (IPM) engineered to accelerate the development of robust power conversion systems by integrating key protection and drive functions. This module combines a high-performance dual IGBT stage with dedicated control circuitry, delivering ratings of 1200V and 300A in a single, reliable package. Key benefits include significantly enhanced system reliability and a simplified design and assembly process. It directly answers the engineering challenge of protecting high-power IGBTs by incorporating built-in short-circuit, over-temperature, and under-voltage protection logic. For industrial motor drives and UPS (Uninterruptible Power Supply) systems up to approximately 55kW requiring proven reliability, this integrated 1200V IPM is a pragmatic choice.

Application Scenarios & Value

Streamlining Design and Enhancing Reliability in Industrial Drives

The true value of the PM300DVA120 lies in its ability to simplify complex designs while increasing operational robustness, a critical requirement in demanding industrial environments. Consider the design of a Variable Frequency Drive (VFD) for a heavy-duty conveyor system. A primary engineering challenge is protecting the power stage against sudden motor stalls or direct short-circuits, which can cause catastrophic failure in milliseconds. Designing a discrete solution to handle this requires careful component selection, complex layout for the gate drive, and fast-acting sensing circuits.

The PM300DVA120 streamlines this entire process. Its integrated Short-Circuit (SC) protection autonomously detects the fault condition and safely shuts down the IGBTs. Simultaneously, it sends a fault (IFO) signal to the master system controller. This enables intelligent, system-level responses, such as halting the conveyor, engaging a brake, and logging an error, all without relying on slower, external protection schemes. This built-in intelligence not only saves significant PCB space and development time but also provides a pre-validated protection scheme, increasing the final product's field reliability. For systems with lower power requirements, the related PM150CVA120-2 offers similar integrated features with a 150A current rating.

Key Parameter Overview

Core Specifications for System Integration

The technical specifications of the PM300DVA120 are optimized for high-power industrial applications. The parameters are grouped by function to facilitate engineering evaluation for system integration and Heatsink Design.

Download the PM300DVA120 datasheet for detailed specifications and performance curves.

Technical Deep Dive

Inside the Integrated Protection and Control Logic

The "Intelligent" in IPM refers to the module's on-board logic that provides a safety net for the power IGBTs. The PM300DVA120 integrates several critical protection features that would otherwise require extensive external circuitry and validation.

• Short-Circuit (SC) Protection: By using current-sensing emitters on the main IGBTs, the module continuously monitors the collector current. If it exceeds a predefined safe limit, the control logic initiates an immediate but controlled "soft" turn-off. This prevents the destructive voltage spikes (di/dt) that a sudden shutdown would cause, protecting both the module and the surrounding components.
• Under-Voltage (UV) Lockout: This function ensures the control supply voltage (VD) is sufficient to fully turn on the IGBTs. Operating an IGBT with insufficient gate voltage causes it to operate in the linear region, leading to extremely high power dissipation and rapid failure. The UV lockout acts as a safeguard, preventing the gates from turning on until the supply is stable. Operating an IGBT without sufficient gate drive is like trying to run a high-performance engine with low oil pressure; the under-voltage lockout is the essential sensor that shuts things down before damage occurs.
• Over-Temperature (OT) Protection: An internal temperature sensor provides an analog voltage output proportional to the module's temperature. This allows the system controller to monitor thermal performance, trigger cooling fans, or initiate a controlled shutdown if the temperature approaches the maximum junction limit of 150°C, preventing thermal runaway.

Frequently Asked Questions

Engineering Insights on the PM300DVA120

What is the primary advantage of using an Intelligent Power Module (IPM) like the PM300DVA120 over discrete IGBTs and a separate gate driver?
The core advantage is system-level simplification and reliability. An IPM integrates the power switches, gate drive circuits, and protection logic into a single, thermally optimized package. This reduces component count, minimizes PCB layout complexity, and eliminates the guesswork in designing a robust gate drive and protection scheme. The result is a faster development cycle and a more reliable end-product, as these critical functions are pre-optimized and validated by the manufacturer, Mitsubishi.

How does the integrated fault output (IFO) on the PM300DVA120 contribute to overall system safety?
The IFO pin provides a direct, digital communication link from the module's internal protection logic to the main system controller. When a fault like a short-circuit or under-voltage event is detected, the IFO signal immediately alerts the controller. This allows for the implementation of intelligent, safe shutdown procedures. For example, in a Motion/Servo Control application, the controller can use this signal to disengage the motor, apply a mechanical brake, and log a specific error code, preventing equipment damage or unsafe operating conditions.

For inquiries regarding the PM300DVA120 for your specific application, or to explore its suitability for your power system design, please contact our technical support team for further information and assistance.