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2025-01-10 170

The 6MBI450V-170-50 is a cutting-edge IGBT module developed by Fuji Electric, designed to meet the demanding requirements of high-power industrial applications. With a collector-emitter voltage rating of 1700V and a collector current rating of 450A, this module offers exceptional performance and efficiency. Its compact EconoPACK™+ package ensures easy integration, while features such as low saturation voltage, high junction temperature tolerance, and built-in protection mechanisms (e.g., overcurrent, overtemperature, and undervoltage lockout) enhance its reliability under harsh operating conditions. Widely used in industrial inverters, CNC machine servo systems, and uninterruptible power supplies (UPS), the 6MBI450V-170-50 represents the perfect blend of power conversion efficiency and precise control. This article provides a comprehensive overview of its features, electrical characteristics, advantages, and applications to help engineers make informed decisions.

Catalog

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Overview of 6MBI450V-170-50

The 6MBI450V-170-50 is a high-performance IGBT module manufactured by Fuji Electric, designed for high-power and high-efficiency industrial applications. This module features a rated voltage of 1700V and a rated current of 450A, housed in a compact EconoPACK™+ package that provides high voltage and current handling capabilities. With integrated features such as low saturation voltage, high junction temperature tolerance, and built-in protection mechanisms (e.g., overcurrent protection, overtemperature protection, and undervoltage lockout), it ensures reliable operation in high-temperature and demanding industrial environments. The 6MBI450V-170-50 module is widely used in industrial inverters, CNC machine servo systems, and uninterruptible power supplies (UPS), providing efficient power conversion and precise control capabilities.

Circuit Diagram of 6MBI450V-170-50

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As can be seen from the 6MBI450V-170-50 equivalent circuit, the module includes the inverter unit thermistor.

Inverter unit (Inverter): divided into three groups (U-V-W), each group includes an upper bridge arm (IGBT and diode) and a lower bridge arm (IGBT and diode) and two reverse recovery diodes (FRDs). The gate (G), emitter (E), and collector (C) are used to control the switching and power conversion of each IGBT, respectively.

Thermistors: The T1 and T2 thermistors are used to measure temperature changes inside the module in real time. This allows an external monitoring circuit to read the resistance value of the thermistor, detect whether there is an overheating condition in the module, and trigger the protection mechanism if necessary.

Features of 6MBI450V-170-50

High Voltage and Current Capacity: The module has a collector-emitter voltage (VCES) rating of 1700V and a collector current (IC) rating of 450A, suitable for high-power applications.

Compact Package Design: The EconoPACK™+ module features a compact size, enabling easy PCB mounting and facilitating device miniaturization.

Low Saturation Voltage: The design includes a low collector-emitter saturation voltage (VCE(sat)), reducing conduction losses and improving system efficiency.

Built-in Protection Features: The module includes integrated short-circuit protection, overtemperature protection, and undervoltage lockout, enhancing system reliability and safety.

Low Inductance Structure: The low-inductance design improves switching performance and reduces electromagnetic interference (EMI).

High Junction Temperature Tolerance: With a maximum junction temperature of 175°C, the module operates reliably under higher temperatures, meeting the requirements of harsh industrial environments.

Electrical Characteristics of 6MBI450V-170-50

Zero Gate Voltage Collector Current (ICES): A maximum of 3.0 mA, indicating very low power consumption in the off state.

Gate-Emitter Leakage Current (IGES): A maximum of 600 nA, with negligible power loss in the drive circuit.

Gate-Emitter Threshold Voltage (VGE(th)): Typical range is 6.0-6.8V, requiring a drive voltage higher than this for reliable conduction.

Collector-Emitter Saturation Voltage (VCE(sat)): Decreases with temperature, with a minimum of 2.10V, reducing conduction losses at high temperatures.

Internal Gate Resistance (RG(int)): A typical value of 1.67 Ω, helping control switching speed and stability.

Input Capacitance (Cies): 36 nF, influencing the charging and discharging behavior of the gate drive and switching speed.

Switching Times (ton/toff): Turn-on time is 100 ns, and turn-off time is 400 ns, supporting high-frequency operation and efficient power conversion.

Forward Voltage (VF): A minimum of 2.15V, reducing conduction losses during freewheeling.

Reverse Recovery Time (trr): Typical value of 100 ns, minimizing switching losses and EMI.

Thermistor Parameters: Resistance is 46

Advantages and Disadvantages of 6MBI450V-170-50

Advantages:

High Voltage and Current Capacity: With a VCES rating of 1700V and an IC rating of 450A, it is ideal for demanding industrial applications requiring substantial power handling.

Integrated Protection Features: The module includes built-in protection mechanisms such as overcurrent and overtemperature safeguards, enhancing system reliability.

Low Saturation Voltage: It exhibits a low collector-emitter saturation voltage, reducing conduction losses and improving overall efficiency.

High Switching Speed: Designed for high-speed switching, it supports efficient operation in applications requiring rapid switching capabilities.

Robust Design: The module's construction ensures durability and longevity, even in harsh industrial environments.

Disadvantages:

Thermal Management Requirements: Due to its high power density, effective thermal management solutions are necessary to maintain optimal performance and prevent overheating.

Complex Drive Requirements: Implementing appropriate gate drive circuits can be complex, necessitating careful design to ensure proper operation.

Cost Considerations: High-performance modules like the 6MBI450V-170-50 may have higher costs compared to lower-rated alternatives, impacting overall system budget.

Applications of 6MBI450V-170-50

Inverters: Used for controlling the speed and torque of AC motors, achieving efficient power conversion.

CNC Machines and Servo Systems: Provides precise motion control and high response speed in CNC machine tools and servo systems.

Uninterruptible Power Supplies (UPS): Ensures continuous power supply to critical equipment during power outages, providing stable power support.

Specifications of 6MBI450V-170-50

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Package Dimensions of 6MBI450V-170-50

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Datasheet PDF

6MBI450V-170-50 Datasheets

6MBI450V-170-50.pdf