Infineon BSM100GT120DN2: A Comprehensive Guide to the 1200V 100A Sixpack IGBT Module

BSM100GT120DN2 Infineon 1200V 100A Sixpack IGBT Module

Comprehensive Power Conversion with Integrated Sixpack Topology

The BSM100GT120DN2 is a high-performance Sixpack IGBT module manufactured by Infineon, designed to provide a complete three-phase inverter solution in a single, robust housing. Engineered for industrial Power Semiconductors applications, this module consolidates six individual IGBTs and their corresponding freewheeling diodes into a layout that minimizes assembly complexity. It operates at a collector-emitter voltage of 1200V with a continuous collector current of 100A at a case temperature of 80°C, making it a foundational component for medium-power motor drives and renewable energy systems.

• Core Specifications: 1200V | 100A | V_CE(sat) 2.5V Typical
• Key Advantage: The integrated Sixpack configuration drastically reduces the internal and external wiring, effectively taming parasitic inductance which is critical for high-frequency stability.
• Engineering Value: Features an isolated baseplate using copper technology, simplifying the thermal management by allowing multiple modules to share a single heatsink without additional insulation layers.

Download Official BSM100GT120DN2 Datasheet (PDF)

Technical Analysis of Efficiency and Thermal Dynamics

The BSM100GT120DN2 utilizes Non-Punch-Through (NPT) technology, which is characterized by a positive temperature coefficient of the collector-emitter saturation voltage. This allows for reliable paralleling of modules, as the current naturally balances across chips during high-temperature operation. The typical V_CE(sat) of 2.5V ensures that conduction losses remain manageable even under heavy industrial loads.

Thermal resistance is a defining parameter for the longevity of high-current modules. You can visualize the thermal resistance (R_thJC) as the diameter of a drainage pipe; a lower value means heat can flow away from the silicon junction more effectively, preventing the device from “flooding” with heat and failing. The BSM100GT120DN2 achieves an R_thJC of 0.18 K/W per IGBT, which is a testament to the efficiency of its ceramic-based isolation structure.

Optimized Application Scenarios

• Industrial Motor Drives: The Sixpack topology is perfectly suited for variable frequency drives (VFDs), where the integrated bridge simplifies the commutation logic and physical layout.
• Uninterruptible Power Supplies (UPS): High switching reliability and the 1200V rating provide the necessary headroom for standard 400V/480V AC utility systems.
• Solar Inverters: The low conduction losses contribute directly to the overall system efficiency, which is a critical metric for photovoltaic energy harvesting.
• Welding Equipment: The robust short-circuit withstand time allows the module to survive the harsh electrical transients common in high-power welding environments.

The BSM100GT120DN2 is best matched for inverter designs requiring up to 100A continuous output current where space and thermal integration are primary constraints.

Key Specification Parameters

Category	Parameter	Value (Typ/Max)
Absolute Maximum Ratings	Collector-Emitter Voltage (VCES)	1200 V
	Continuous Collector Current (IC) @ TC=80°C	100 A
	Total Power Dissipation (Ptot) @ TC=25°C	700 W
Electrical Characteristics	VCE(sat) @ IC=100A, VGE=15V	2.5 V (Typ)
	Gate Threshold Voltage (VGE(th))	4.5 V – 6.5 V
	Short Circuit Withstand Time (tsc)	10 µs
Thermal Properties	Thermal Resistance, Junction to Case (RthJC)	0.18 K/W (IGBT)
	Operating Junction Temperature (Tvj)	-40°C to +150°C

Engineer FAQ

Q1: What is the recommended gate driving voltage for the BSM100GT120DN2?
According to the Infineon data, the saturation voltage is characterized at V_GE = 15V. To ensure full saturation and minimum losses, a 15V gate drive is standard, though the threshold range is between 4.5V and 6.5V.

Q2: How is short-circuit protection implemented for this module?
The module is rated for a short-circuit withstand time (t_sc) of 10 µs at V_GE ≤ 15V and V_CC = 720V. Engineers should ensure that their gate driver circuits can detect a desaturation event and shut down the module within this window to prevent catastrophic failure.

Q3: Does the module require an external freewheeling diode?
No, the BSM100GT120DN2 is a complete Sixpack module which includes an inverse diode for each IGBT chip. These diodes are matched to the IGBT’s performance to provide soft recovery characteristics, minimizing EMI during switching transitions.

Design Empowerment

The BSM100GT120DN2 represents a balanced approach to industrial power electronics, providing the ruggedness of NPT technology with the spatial efficiency of a Sixpack topology. By integrating an entire inverter stage into a single thermally optimized block, it empowers engineers to achieve higher power densities while maintaining the stringent reliability standards required in modern industrial environments. Its low thermal resistance and predictable switching behavior make it a dependable choice for demanding 1200V power conversion tasks.