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Market

Electrification (EV/HV)

Battery cell thermal monitoring, high-voltage interlock, coolant pressure and HV humidity sensing for electrified powertrains and energy storage.
Sub-system:

Choose a sub-system

Sub-system

Battery Pack

Consists of a cluster of individual batteries that serve as the primary fuel source of the vehicle, replacing hydrocarbon fuels used in conventional ICE automobiles.

Applications

Temperature SensorsCurrent SensorsAcceleration Sensors

Sensor solutions

Temperature Sensors

Measure and monitor surface temperature of the many batteries within the battery cell, which is critical to preserving the chemistry of the battery.

  • Single point temperature sensors
  • Rigid and flexible types
  • Custom sensor packaging

Current Sensors

Measure and monitor current flowing to and from battery.

  • Hall effect, open loop current sensor
  • Busbar or wire mounting
  • Analog ratiometric output, 1 and 2 channels

Water Detection Sensors

Detects moisture leakage and feeds a signal to the Battery Management System.

  • 510kΩ ±3%
  • Operating temperature range: -40°C to +85°C
  • RoHS Compliance (Directive 2011/65/EU)

Accelerometers

Mechanically testing the battery pack.

  • Electrically isolated sensors
  • Wide frequency range
  • High sensitivity with low noise

Engineered by


Sub-system

Thermal Runaway

Occurs when battery cells exceed allowable operating temperature causing an explosion/fire, which then propagates, or spreads, to other cells within the battery pack.

Applications

Temperature SensorsPressure SensorsGas Detection Sensors

Sensor solutions

Temperature Sensors

Measure and monitor battery temperature to detect Thermal Runaway conditions.

  • Capable of single or multiple cell detection

Pressure Sensors

Detect pressure change inside the battery cell that indicates Thermal Runaway conditions.

  • Surface mountable
  • Simple 3-command I2C interface
  • Very low current consumption: less than 35μA

Gas Detection Sensors (CO2)

Detect the out-gassing of Carbon Dioxide (CO2) to indicate pre-combustion conditions.

  • Single and dual channel configurations
  • Self-calibration with patented ABC Logic™ Software

Gas Detection Sensors (Combustible)

Detect the presence of combustible gases that indicate Thermal Runaway conditions.

  • Sensitive to multiple gases: CO / H2 / NH3 / CO2
  • Temperature / Humidity sensor
  • Pressure sensor (20 up to 250 kPa)
  • Fast response time: less than 1 second
  • IP6K7 rating

Engineered by


Sub-system

Cell Connection System (CCS)

Used as top cover of the battery cell to provide connectivity with the Battery Management System (BMS).

Applications

Temperature SensorsCurrent Sensors

Sensor solutions

Temperature Sensors

Provide temperature and voltage sensing to monitor the state of charge of the battery cells.

  • High current circuit for battery cell connectivity
  • Available styles: Wire Harness and Flexible Printed Circuit (FPC)

Current Sensors

Measure and monitor the state of charge of the battery cells.

  • Busbar, wire mounting, or integrated busbar
  • Analog ratiometric output

Sub-system

Power Inverter / E-Motor

Converts DC to AC electricity that is required to drive the traction motor.

Applications

Temperature SensorsInductive Position SensorsCurrent Sensors

Sensor solutions

Temperature Sensors

Measure and monitor operating temperature of the power inverter to provide feedback on unsafe conditions.

  • Fast response time
  • Pigtail connector

Inductive Position Sensors

Provide data on the angular position of the rotating motor shaft to optimize control of the motor inverter.

  • Compact and lightweight alternative to resolvers
  • Flexible integration in on-axis and off-axis configuration
  • Robust against magnetic flux and external stray fields

Current Sensors

Measure and monitor current flowing to and from battery.

  • Hall effect, open loop current sensor
  • Busbar mounting, 1 phase and 3 phase housing
  • Analog ratiometric output

Sub-system

High Voltage Charger Connector

Connects the high voltage source to charge the battery within the vehicle.

Applications

Temperature Sensors

Sensor solutions

Temperature Sensors

Detect over-temperature conditions during charging.

  • Installed within the connector

Sub-system

Motor Coil

Generates torque on the motor's shaft through the interaction of magnetic fields of the stator and rotor.

Applications

Temperature Sensors

Sensor solutions

Temperature Sensors

Measure and monitor temperature of the motor coil to provide feedback on the operating conditions of the electric motor.

  • Field-proven design
  • Variety of lead lengths, terminal and connector options

Sub-system

Battery Coolant

Circulates around the battery cell to maintain optimum battery management and life.

Applications

Temperature SensorsPressure SensorsCombined Pressure & Temperature SensorsUltrasonic Level, Conductivity, and Concentration SensorsCoolant Breach/Water Intrusion Sensors

Sensor solutions

Temperature Sensors

Measure and monitor fluid temperature of inlet/outlet battery coolant to provide indication of battery cell temperature.

  • No leak path – Sensor cavity and tube are one piece
  • USCAR sealed connection system
  • Various part geometries available

Coolant Breach / Water Intrusion Sensors

Detect the presence of coolant / water in the battery pack.

  • Operates based on conductivity of the fluid being sensed
  • Easy to install
  • RoHS compliant

Pressure Sensors

Measure the pressure in the cooling system to control pump capacity.

  • Internal metal sealing for high media compatibility and no leakage
  • Customized calibration for high accuracy

Combined Pressure & Temperature Sensors

Measure pressure in the cooling system, while at the same time, measure temperature of the coolant for optimum thermal management.

  • Available versions: R1234yf (up to 35bar) and R744 (up to 200bar)
  • Tested LIN 2.1 conformity
  • Automatic address assignment within LIN network

Engineered by

Ultrasonic Level, Conductivity, Concentration, and Temperature Sensors

Continuously monitor fluid level for early detection of coolant leakage.

  • Level accuracy: ±2mm
  • Temperature accuracy: ±2.5°C
  • Output protocol offerings: Analog, PWM, SENT, CAN, LIN
  • Input voltage options: 5V / 12V / 48V

Sub-system

Fuel Cell

Typically generates electricity by combining atmospheric oxygen and on-board compressed hydrogen.

Applications

Temperature SensorsPressure SensorsGas Detection SensorsLevel Sensors

Sensor solutions

Temperature Sensors

Monitor temperature in various areas of a fuel cell vehicle to enable safety and efficiency throughout the system, e.g., Battery, Fuel Cell, Cooling System, Transmission and Converter.

  • Moisture proof construction
  • Fast response time
  • High temperature monitoring

Gas Detection Sensors

Measure the concentration of H2 and humidity.

  • Sensitive to H2 gases
  • Temperature / Humidity sensor
  • Fast response time: less than 1 second
  • IP6K7 rating

Engineered by

Water Level Sensors

Ultrasonic Switch indicates water level in the steam / water separation tank.

  • Single point ultrasonic switch
  • Microprocessor controlled analog output (voltage)
  • All-plastic design (PPS) eliminates opportunity for metal ionization

Pressure Sensors

Robust sensors for fuel-cell applications, specifically designed to withstand the harsh conditions in hydrogen environments.

  • High accuracy and performance
  • Wide pressure range
  • Custom options

Engineered by

Brands serving this market

Brands

NovaSensorTelaireThermometricsExa ThermometricsPiherSGX SensortechSSI Technologiesi2sPCB Piezotronics