Battery Energy Storage systems

Maintaining Grid Balance for a Reliable Energy Supply

Advanced semiconductors boost the performance, reliability, and safety of large-scale Battery Energy Storage Systems (BESS). These systems stabilize power grids by compensating for fluctuations, maintaining balance, and reducing energy loss—making them essential for a sustainable and resilient energy future.

Energy storage systems are structured in two main parts. The power conversion system (PCS) which handles AC/DC and DC/AC conversion, with energy flowing into the batteries to charge them or being converted from the battery storage into AC power and fed into the grid. Suitable power device solutions depend on the voltages supported and the power flowing.

And the battery management system (BMS) that handles cell charging, balancing, and health monitoring, complemented by a microcontroller providing system control and communication. Essential elements to integrate ESS into larger systems.

Infineon semiconductors play an important role in many areas of a Battery Energy Storage Systems (BESS), whether in power conversion, battery management, or the equally important area of thermal management with heating, ventilation, and air conditioning.

As the market leader in power electronics Infineon delivers a comprehensive portfolio for next-generation ESS from power conversion, microcontrollers, security, auxiliary power supply, and connectivity. Our expertise ensures efficiency, lifetime performance, and cost-effectiveness for a resilient, sustainable energy infrastructure.

Explore the offering

Powering your application with maximum power density

Take your power conversion to the next level with Infineon's EconoDUAL™ 3 products, designed to support a wide range of current requirements from 100 A to 900 A and voltages of 600 V, 650 V, 1200 V, and 1700 V. Our state-of-the-art modules are built with the latest TRENCHSTOP™ IGBT7 or IGBT4 technologies, delivering unparalleled power density and exceptional power cycling capability. EconoDUAL™ 3 modules are available in various topologies and offer integrated additional functionality, such as shunt resistors, to simplify your design process and reduce overall system costs.

Key features
  • Excellent mechanical robustness
  • Option of PressFIT pins
  • With optional pre-applied TIM
  • High power cycling capability
  • Solder or PressFIT pins

Flexibility redefined: Infineon’s Easy power modules

Infineon’s Easy family is designed to provide the ultimate in flexibility and scalability, allowing you to easily adapt to changing requirements and stay ahead of the competition. Experience the freedom to design without limits with our newly extended Easy 3B package. As part of the broadest base-plate-less package portfolio on the market, with a compact 12 mm height, you'll enjoy unparalleled flexibility and design versatility. Whether you're working on a new project or upgrading an existing design, Infineon’s Easy family has got you covered.

Key features
  • Compact module design
  • PCB layout friendly
  • Reliable mounting system
  • Configuration flexibility


Unlock unparalleled performance with CoolSiC™ MOSFETs

Experience the future of power electronics with our state-of-the-art CoolSiC MOSFETs, designed to revolutionize your applications. Built on a cutting-edge trench semiconductor process, these innovative devices combine the lowest losses with the highest reliability, ensuring optimal operation and maximum efficiency. Our discrete CoolSiC MOSFET portfolio offers a wide range of voltage classes, including 400 V, 650 V, 750 V, 1200 V, 1400V, 1700 V, and 2000 V. With on-resistance ratings from as low as 7 mΩ to 1000 mΩ, you can choose the perfect solution to match your specific requirements. Discover the power of CoolSiC MOSFETs and take your applications to the next level.

Key features
  • From 400 V up to 2000 V
  • Ratings from 7 mΩ up to 1000 mΩ
  • Flexible parameter-set
  • Low capacitances

Podcast4Engineers

Intro to Power Conversion Systems (PCS) for battery energy storage systems (BESS)

Deep dive into power conversion systems (PCS) for battery energy storage systems (BESS)

Ask the Expert

Front-of-the-meter vs. behind-the-meter battery storage

How battery storage powers the energy transition

Intro to power conversion systems (PCS) for battery energy storage systems (BESS)

Deep dive into power conversion systems (PCS) for battery energy storage systems (BESS)

Cooling power modules in battery ESS

Grid-forming impact on power semiconductor design

Understanding grid-forming inverters


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