Comprehensive Guide to the 6MBI150VX-120-50 IGBT Module: Features, Applications, and Specifications
2025-01-09 188

The 6MBI150VX-120-50 is a high-performance IGBT module designed by Fuji Electric to meet the demands of modern industrial applications. With its advanced 6-pack configuration, compact M648 package, and robust thermal management capabilities, this module delivers exceptional efficiency and reliability in high-power scenarios. Whether it's for motor drives, CNC systems, or uninterruptible power supplies, the 6MBI150VX-120-50 combines cutting-edge electrical performance with versatile applicability. In this article, we will explore its technical specifications, internal circuit design, key electrical characteristics, advantages, and applications, providing a comprehensive understanding of why this module is a cornerstone in industrial power conversion systems.

Catalog

Overview of 6MBI150VX-120-50

The 6MBI150VX-120-50 is an IGBT module manufactured by Fuji Electric, featuring a 6-pack configuration with 6 IGBTs (Insulated Gate Bipolar Transistors) and 6 freewheeling diodes. The module supports a maximum collector-emitter voltage (V_CES) of 1200V and a rated collector current (I_C) of 150A. It is known for its efficient switching performance, low conduction loss, and built-in overcurrent/overtemperature protection. This makes it widely applicable in high-power scenarios such as industrial motor drives, inverters, uninterruptible power supplies (UPS), and servo control systems. Additionally, the module features a compact M648 package, supports an operational junction temperature of up to 150°C, and has a storage temperature range of -40°C to 125°C, offering high reliability for demanding industrial environments.

Circuit Diagram of 6MBI150VX-120-50

From the circuit diagram of the 6MBI150VX-120-50, we can see that the module consists of 6 IGBTs and 6 freewheeling diodes. Each IGBT is paired with a freewheeling diode to provide current path continuity. The P (positive DC terminal) serves as the positive bus input, supplying DC power to the IGBTs for the three-phase inverter circuit. The N (negative DC terminal) is the negative bus input, working together with P to power the inverter module. The U, V, and W (three-phase output terminals) are the output terminals of the inverter, connected to the motor’s three-phase windings. Through the switching actions of the IGBTs, DC power is converted into three-phase AC power.

Electrical Characteristics of 6MBI150VX-120-50

ICES: Maximum collector-emitter leakage current is 1.0 mA, ensuring low power loss during the off state.

IGES: Maximum gate-emitter leakage current is 200 nA, demonstrating excellent insulation performance.

VGE(th): Gate-emitter threshold voltage ranges from 6.0 to 7.0V, suitable for moderate driving voltage.

VCE(sat): Minimum collector-emitter saturation voltage is 2.2V (chip level), with a slight increase as temperature rises.

Rg: Internal gate resistance is typically 1.1 Ω, facilitating faster switching.

Cies: Input capacitance is 3300 nF, requiring a robust gate driver circuit for proper operation.

ton / toff: Turn-on time is 0.37 μs, and turn-off time is 0.67 μs, providing moderate switching speeds.

VF: Minimum forward voltage of the internal diode is 2.4V (chip level), ensuring low conduction loss.

trr: Reverse recovery time is 0.15 μs, minimizing energy loss during switching.

Thermistor: Resistance and B value are used for temperature monitoring and protection, ensuring safe operation.

Advantages and Disadvantages of 6MBI150VX-120-50

Advantages:

High Power Handling Capability: Rated for 150A current and 1200V voltage, suitable for high-power applications.

Low Conduction Loss: A low collector-emitter saturation voltage (V_CE(sat)) reduces power loss and increases system efficiency.

High-Speed Switching: Designed for high-speed switching operations, making it ideal for high-frequency applications.

Integrated Protection Features: Built-in overtemperature and overcurrent protection improves system reliability.

Disadvantages:

High Cooling Requirements: The high power density generates significant heat, requiring effective thermal management.

Complex Gate Drive Circuitry: Requires precise gate drive and protection circuitry, increasing design complexity.

Higher Cost: Compared to lower-power devices, the module has a higher cost, which may impact overall system expenses.

Applications of 6MBI150VX-120-50

Inverter for motor drives: This is used to control the speed and torque of AC motors, achieving efficient power conversion.

Numerical Control (NC) and Servo Systems: Provides precise motion control and high responsiveness in CNC machines and robotics.

Uninterruptible Power Supply (UPS): Ensures stable power delivery to critical equipment during power outages.

Industrial Equipment: Serves as a core power conversion component in high-power, high-efficiency equipment like welding machines.

Specifications of 6MBI150VX-120-50

Parameter	Details
Configuration	6-Pack
Series	V Series (6th Generation)
VCES(V)	1200
IC(A)	150
Tvjmax (°C)	175
Tvjopmax (°C)	150
Tc(°C)	125
Tstg(°C)	-40 to 125
Package	M648
Width (mm)	62
Length (mm)	122
Weight (g)	300

Package Dimensions of 6MBI150VX-120-50