Infineon Technologies TLE5045iC High-End Wheel Speed Sensor
Infineon TLE5045iC High-End Wheel Speed Sensor without direction detection is designed for sophisticated vehicle control systems. As the successor of the TLE5041plusC, the sensor shows best-in-class jitter performance, thus being the best choice for wheel speed applications. The rotational speed is sensed with high accuracy, enabling the sensor to be used as a component of indirect tire pressure monitoring systems (iTPMS). It is based on integrated giant magnetoresistance (iGMR). Excellent sensitivity to the magnetic field is specified over a wide temperature range. To meet harsh automotive requirements, robustness to electrostatic discharge (ESD) and electromagnetic compatibility (EMC) was maximized without the need for additional external components.
Features
- Developed according to ISO 26262, compliant with the requirements of ASIL B(D)
- Low jitter 0.02% due to high switching accuracy enables iTPMS
- Two-wire current interface 7mA/14mA providing speed information
- Wide operating junction temperature range -40°C to 190°C
- Robustness against external magnetic disturbances up to 2mT through differential sensing principle
- High sensitivity enables outstanding air gap performance along with immunity against y-displacement effects
- Small sensor package 5x3mm without the need of external capacitor saves module size, increases robustness against mechanical stress, and enables design freedom
- Advanced EMC concept maximizes the availability of the sensor signal
- New established Micro Break feature designed to be immune against disturbances on the supply line
Applications
- Wheel speed sensing
- Antilock braking system
- iTPMS
- Park assist systems and automated parking
- Hill holder
Additional Resources
Published: 2019-04-10
| Updated: 2022-03-11