Automotive / Tire pressure monitoring

Because of the new legislations, any car, bus or truck maker shall be soon compelled to embed Tire Pressure Monitoring Systems (TPMS) in 100% of the new vehicles to be put on the market. Main objective of such TPMS is obviously to alert the driver in case of abnormal pressure drop in one of the tires.

However, tire manufacturers see also there a new business opportunity to use the current or future active TPMS solutions and extend the range of services to the drivers: e.g. to inform about the wear and tear of each tire and alert in case tire replacement becomes mandatory.

These future TPMS solutions shall strongly rely on embedded micro-batteries, to power-up:

• the various low-power sensors embedded into the tires;

• the RF transmitter used to transfer the sensor data to the central system of the vehicle.

  The key advantages of ITEN’s micro-batteries for these future active TPMS solutions shall be:

• SMD rechargeable batteries: to store the energy collected by embedded energy harvesting systems
• Tiny form factors adapted to the tire layout;
• Extended operating temperature range (cf temperature inside the tire and on the tire thread);
• Ability of the micro-battery to deliver the power required by the RF connectivity between the tire and the central computing system.

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