The Benefits of Using a Decentralized Architecture Combined With PolySwitch PPTC Devices for Automotive Harness Protection
Today’s automobile manufacturers are actively working toward vehicle weight reduction in an effort to help reduce CO2emission levels and increase fuel efficiency. Consequently, design engineers are seeking new technologies and design techniques that will help lower wire harness weight. To remain competitive in today’s market, manufacturers must also reduce warranty repair costs and improve user satisfaction. As a result, automotive designers are confronted with the challenge of finding new ways to reduce vehicle weight without sacrificing system reliability.
These industry trends are leading designers to revisit their approach to protecting automobile power functions against damage from high-current fault conditions. Despite the clear weight advantages of using a decentralized harness technique and PPTC (Polymeric Positive Temperature Coefficient) devices for overcurrent protection, many continue to use traditional-and ultimately heavier - fusing techniques.
This paper presents the significant benefits of employing a decentralized architecture and Littelfuse PolySwitch devices to help protect automotive wiring harnesses, as compared to using a traditional centralized architecture with fuse protection. It also describes the unique device characteristics of PolySwitch devices, and provides specific application examples of how these devices, used in a decentralized architecture, can facilitate development of lighter, more flexible, and more reliable designs.
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White Paper |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2016/11/23 |
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1.6 MB |
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