Powertrain Electrification Sensors

Battery Thermal Runaway Sensor

Last update: 04 Sep. 2023

What is Battery Thermal Runaway?

Thermal runaway occurs when the temperature of the EV battery reaches a critical state. Thermal runaway sensors ensure thermal runaway detection.

Valeo offers a range of sensors combining measurement and detection of several gas types inside the battery to address the regulations evolution, in particular regarding the safety of electric vehicles batteries.


What are Valeo Battery Thermal Runaway Sensor benefits?

  • Automotive sensor with multiple measurement possibilities: pressure, H2, temperature, humidity etc…
  • Easy to install
  • Low power consumption function for parking mode
  • BMS wake-up function integrated
  • Fast response to thermal runaway event

Valeo Battery Thermal Runaway Sensor specifications

  • Mounting position: adaptable
  • Operating temperature range: -40°C to +105°C
  • Pressure range: 10 kPa to 400 kPa
  • Pressure response time: t10/90 < 2ms
  • Pressure accuracy at new: < 0.5% FS over temp. range
  • Gas measurement range: 0-20% Vol
  • Power supply: 12V
  • Output type: LIN/CAN/PWM
  • Power consumption: < 20 mA (Normal), < 20 µA (Sleep)
  • Flammability class: UL94 V-0

Vehicle type

  • Passenger car
  • Bus
  • Robot taxi
  • Motorcycle
  • Droid
  • Off road

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