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Advanced Overtemperature Detection Solution Offers Efficient Multi-Cell Monitoring for EV Li-ion Battery Systems

TTape Monitoring Platform
TTape Monitoring Platform

Littelfuse, Inc. (NASDAQ: LFUS), introduced TTape, an overtemperature detection platform designed for Li-ion battery systems. TTape is intended for applications in automotive EV/HEVs, commercial vehicles, and Energy Storage Systems (ESS). TTape effectively manages premature cell aging in vehicle systems, minimizing thermal runaway risks and extending battery pack life. Its efficient multi-cell monitoring and ultra-fast response time of less than one second provides early alerts to the Battery Management System (BMS) in case of overtemperature scenarios. 

Thin design for easy conformal installations and distributed temperature monitoring enhances the detection of localized cell overheating, allowing efficient cooling measures. TTape integrates seamlessly with current BMS solutions, requiring no calibration or temperature lookup tables, and delivers enhanced detection of cell overheating.


  • Premature Aging Management
  • Extended Battery Life
  • Efficient Multi-cell Monitoring
  • Ultra-fast Response
  • Conformal Installations
  • AEC-Q200 qualified
  • Easily integrates with existing BMS alongside NTCs
  • No calibration or temperature look-up tables required


  • Automotive EV/HEVs
  • Commercial Vehicles
  • Energy Storage Systems (ESS)
  • Distributed Temperature Monitoring
  • Li-ion battery packs
  • Large area, distributed, temperature monitoring


TTape is available in tape and reel or box packaging, depending on the length required. To request samples, contact authorized Littelfuse distributors globally.

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