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The automotive industry is undergoing a significant transformation towards electrification, necessitating efficient, compact, and cost-effective powertrain solutions. A key trend is the development of highly integrated automotive electronic systems, known as N-in-1 systems, which combine components like inverters, DC/DC converters, on-board chargers (OBC), and power distribution units (PDU) into a single unit. This article gives an in-depth analysis of various aspects of the IAV N-in-1-system or IAV Powerbox.Insights into the systematic selection process of the components to be integrated are provided. The EMC Concept is introduced, showing the potential to save hardware effort by defining EMC zones. Highly interrelated with EMC, the mechanical design is shown including component packaging and cooling strategies. A high integration level is not characterized by the quantity of integrated components, only. An example of enhanced integration quality is presented with a multi-level inverter used for driving and battery banking. Additionally, a high integration level forms new opportunities for serving SDV functions as well. This is elucidated by diving into the software architecture of the N-in-1-system. Finally, the potential of system cost reduction is discussed. A comparison between traditional powertrain solutions and the N-in-1 Powerbox is provided, demonstrating the economic benefits of the integrated approach.

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N-in-1 Powerbox—Highly Integrated Automotive Electronic System

  • 会议论文

  • 发表日期：

    2026年

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  • N. Remus,
  • A. Brix,
  • A. Hoffmann,
  • C. Danzer,
  • A. Heghmanns,
  • J. Schlurmann,
  • A. Fandakov,
  • D. Schlabe,
  • M. Vogel,
  • H. Georgi,
  • M. Clauss,
  • V. Ambrosius,
  • H. Rabba,
  • K. Müller,
  • M. Sens

摘要

The automotive industry is undergoing a significant transformation towards electrification, necessitating efficient, compact, and cost-effective powertrain solutions. A key trend is the development of highly integrated automotive electronic systems, known as N-in-1 systems, which combine components like inverters, DC/DC converters, on-board chargers (OBC), and power distribution units (PDU) into a single unit. This article gives an in-depth analysis of various aspects of the IAV N-in-1-system or IAV Powerbox.Insights into the systematic selection process of the components to be integrated are provided. The EMC Concept is introduced, showing the potential to save hardware effort by defining EMC zones. Highly interrelated with EMC, the mechanical design is shown including component packaging and cooling strategies. A high integration level is not characterized by the quantity of integrated components, only. An example of enhanced integration quality is presented with a multi-level inverter used for driving and battery banking. Additionally, a high integration level forms new opportunities for serving SDV functions as well. This is elucidated by diving into the software architecture of the N-in-1-system. Finally, the potential of system cost reduction is discussed. A comparison between traditional powertrain solutions and the N-in-1 Powerbox is provided, demonstrating the economic benefits of the integrated approach.