Littelfuse unveils TTape™, an advanced overtemperature detection solution for electric vehicle Li-ion battery packs


The TTape™ platform is a distributed temperature monitoring technology for battery packs, enhancing the detection of localized cell overheating. This device helps extend battery life and provides protection against thermal runaway.

Featuring innovative capabilities, TTape™ effectively mitigates premature cell aging and reduces the risks of thermal runaway incidents. 

TTape™ is ideal for a variety of applications, including automotive EV/HEVs, commercial vehicles, and Energy Storage Systems (ESS). Its distributed temperature monitoring technology enables superior detection of localized cell overheating, thereby enhancing battery life and improving the safety of battery installations.

Features and benefits:

Premature Cell Aging Management:
TTape™ aids vehicle systems in managing premature cell aging, significantly reducing the risks associated with thermal runaway.

Extended Battery Pack Life: 
TTape™ ensures that the battery pack remains serviceable for an extended period by initiating temperature management at an earlier stage.

Efficient Multi-cell Monitoring: 
With a single TTape™ device, multiple cells can be monitored, thus alerting the BMS sooner in case of overtemperature scenarios.

Ultra-fast Response: 
With a response time of less than one second, TTape™ guarantees quicker alerts, signaling the potential onset of thermal runaway conditions.

Seamless Integration: 
Calibration isn’t necessary. TTape™ can easily integrate with existing BMS, making it a go-to solution for many battery applications.

Download more information:

TTape™ Application Note

TTape™ Data Sheet

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