Infineon BSM35GP120 IGBT Module | The All-in-One CIB Power Solution
The Infineon BSM35GP120 is not just another IGBT module; it's a complete power conversion engine in a single, streamlined package. As a highly integrated Power Integrated Module (PIM) of the Converter-Inverter-Brake (CIB) topology, this 1200V, 35A device is engineered to drastically simplify the design and assembly of compact motor drives and industrial automation systems. For engineers looking to accelerate development time and reduce system costs without compromising on Infineon's signature reliability, the BSM35GP120 presents a compelling, field-proven solution.
Technical Deep Dive: The Advantage of Integrated Power Stages
* **Complete CIB Topology:** The core strength of the BSM35GP120 lies in its integration. It combines a three-phase input rectifier, a three-phase output inverter, and a brake chopper with a freewheeling diode into one housing.
* **Application Value:** This all-in-one approach eliminates the need for multiple discrete power components. For designers, this translates directly into a smaller PCB footprint, simplified thermal management (one heatsink for all stages), reduced assembly time, and a significantly lower Bill of Materials (BOM) cost. It mitigates complex interconnects, which are often a source of parasitic inductance and potential EMI issues.
* **Optimized for Robustness:** While newer technologies chase record-low switching losses, the BSM35GP120 is built on Infineon's mature and robust IGBT technology. It is optimized for the demanding conditions of industrial environments.
* **Application Value:** This focus on durability ensures high reliability and a long operational lifespan, even under fluctuating loads and challenging thermal cycles typical in motor drive applications. It provides the stable, predictable performance that is critical for systems where downtime is not an option.
Application Scenarios & Engineering Benefits
The integrated nature of the **Infineon BSM35GP120** delivers tangible benefits across a range of power conversion applications:
* **Compact Motor Drives:** For variable frequency drives (VFDs) up to ~11 kW, this module allows for an incredibly compact final product. The simplified power stage design frees up valuable space for control logic and user interface components.
* **Servo Control Systems:** In precision motion control, the close thermal coupling of the inverter and brake chopper within the module ensures more predictable performance during rapid acceleration and deceleration cycles, improving system accuracy.
* **Industrial Automation & Robotics:** By minimizing component count and simplifying assembly, the BSM35GP120 helps manufacturers scale production of automation equipment more efficiently and with higher consistency.
* **Uninterruptible Power Supply (UPS):** The module's CIB configuration can be effectively utilized in the power stages of smaller online UPS systems, contributing to a more compact and cost-effective design.
Key Technical Parameters at a Glance
For detailed specifications, please refer to the official datasheet: BSM35GP120 Datasheet
| Parameter | Value |
| :--- | :--- |
| Collector-Emitter Voltage (VCES) | 1200 V |
| Continuous Collector Current (IC) @ Tc=80°C | 35 A |
| Collector-Emitter Saturation Voltage (VCE(sat)) @ IC=35A | Typ. 2.15 V |
| Package Type | GP |
Selection Advice: Integrated PIM vs. Discrete Solution
Engineers often weigh the **BSM35GP120** against a solution built from discrete components (e.g., a separate rectifier bridge, a 6-pack IGBT module, and a discrete chopper IGBT). While a discrete approach offers granular component selection, it introduces significant design complexity in layout, thermal management, and sourcing.
The BSM35GP120 CIB module is the superior choice for applications where time-to-market, system compactness, and assembly cost are critical drivers. It offers a pre-validated, pre-optimized power stage that bypasses common design hurdles, making it ideal for mainstream industrial drive projects. If your design prioritizes development speed and manufacturing simplicity, this integrated module is the clear winner. For more options, you can Explore More IGBT Modules on our platform.
Frequently Asked Questions (FAQ)
* **What is the typical switching frequency for the BSM35GP120?**
This module is optimized for motor control applications, where switching frequencies typically range from 2 kHz to 10 kHz. Operating in this range balances switching losses and audible noise effectively.
* **What type of gate driver circuit is recommended?**
A gate driver with galvanic isolation, short-circuit protection (desaturation detection), and an undervoltage lockout (UVLO) feature is highly recommended to ensure safe and reliable operation of the IGBTs within the module.
For specific application support or to request a competitive quote on the **Infineon BSM35GP120**, please do not hesitate to Contact Us for a Quote. Our technical specialists are ready to assist with your power conversion project.
