magnetic sensor Infineon TLE4955HALA1 designed for automotive wheel speed and side airbag pressure detection applications
Product Overview
Infineon offers a comprehensive range of sensor solutions designed to make life smarter, safer, and greener. With 40 years of experience, Infineon is a leading supplier for automotive, industrial, and consumer applications, providing over four billion integrated magnetic and pressure sensors. The company is a top provider in numerous automotive applications, including wheel speed and side airbag pressure sensors, as well as radar chips. Infineon's sensors are integral to modern vehicles, enhancing safety, efficiency, and comfort. The product portfolio includes Hall switches, 3D magnetic sensors, linear Hall sensors, dual-sensor packages, angle sensors, magnetic speed sensors, and integrated pressure sensor ICs. Infineon is committed to ISO 26262 compliance, ensuring their products can be deployed in safety-critical automotive systems.
Product Attributes
- Brand: Infineon
- Certifications: ISO 26262 compliant development flow (for ASIL classification)
- Technology Portfolio: Hall, AMR, GMR, TMR
Technical Specifications
| Product Category | Key Features & Applications | Technology Examples |
|---|---|---|
| Hall Switches | Ideal for current commutation in brushless drives (BLDC), conventional block commutation. Applications: window lift modules, control elements. | Hall |
| 3D Magnetic Sensors | Low current consumption, cost-optimized design. Applications: industrial and consumer (control elements, joysticks, E-meters), low-power automotive (indicators, gear shifters). | 3D Magnetic |
| Linear Hall Sensors | Used in Electric Power Steering (EPS) for steering angle and torque measurement. Applications: EPS. | Linear Hall |
| Dual-Sensor Package | Integrates two magnetic position sensors with separate power supply and signal outputs for functionally safe systems. Electrically independent with galvanic isolation. Applications: Electric Power Steering (EPS) position sensor applications (ASIL-D). | Magnetic Position Sensors |
| Angle Sensors | Measure rotor angle for increased efficiency. Applications: Electric Power Steering (EPS), powertrain applications. | Angle Sensors |
| Magnetic Speed Sensors | For camshaft, crankshaft, and transmission applications. Intelligent functions for ABS, ESP, and modern powertrain systems. Applications: Crankshaft, camshaft, transmission speed sensing. | Magnetic Speed Sensors |
| Current Sensors | Applications: Powertrain, Body, Safety. | Current Sensors |
| Pressure Sensors | Integrated pressure sensor ICs. Applications: Tire Pressure Monitoring Systems (TPMS), side airbag pressure sensors, pedestrian protection systems, MAP (Manifold Air Pressure), BAP (Barometric Air Pressure), seat comfort systems. | Pressure Sensors |
| Front-end ICs for Automotive RADARs (RASIC) | 77-GHz chips for radar-based driver assistance systems (adaptive cruise control, collision warning). Recognize objects up to 250 meters. Market leader with 15 million chips shipped. Mandatory for Euro NCAP 5-star rating. | RASIC |
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