Infineon Technologies AG Sensor technology - Magnetic sensors - Magnetic speed sensors - TLE4953C TLE4953C

XENSIV™ - TLE4953C magnetic speed sensor for transmission and ABS systems

The Infineon XENSIV differential Hall Effect sensor TLE4953 is designed to provide information about rotational speed and direction of rotation to modern transmission and ABS systems. The output has been designed as a two wire current interface based on a Pulse Width Modulation principle. The sensor operates without external components and combines a fast power-up time with a wide frequency range. Excellent accuracy and sensitivity is specified for harsh automotive requirements as a wide temperature range, high ESD robustness and high EMC resilience. State-of-the-art BiCMOS technology is used for monolithic integration of the active sensor areas and the signal conditioning. Finally, the optimized piezo compensation and the integrated dynamic offset compensation enable easy manufacturing and elimination of magnetic offsets. Adaptive hysteresis concept increases the noise immunity. The TLE4953C is additionally provided with an overmolded 1.8nF capacitor for improved EMI performance.

Summary of Features

• Two-wire PWM current interface
• Detection of rotation direction
• Dynamic self-calibration principle & high sensitivity
• Adaptive hysteresis
• Single chip solution - no external components
• Vibration suppression in calibrated mode
• South and north pole pre-induction possible
• High resistance to piezo effects
• Large operating air-gaps
• Wide operating temperature range
• From zero speed up to 12 kHz
• 8 nF overmolded capacitor
• For coarse transmission target wheels

Applications

• Automatic transmission hydraulic system
• Automotive
• Multi-port fuel injection

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Manufacturer: Infineon Technologies
Win Source Part Number: 090862-TLE4953C
Packaging: AMMO PACKAGE
Technology: Hall Effect
Output Type: Current Source
Polarization: North Pole, South Pole
Current - Supply (Max): 16.8mA
Categories: Sensors, Transducers
Status: Active
Case / Package: P-SSO-2-2
Purpose: Special Purpose
Supply Voltage - Operating: 4.5 V to 20 V
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 61 pct.
Supply and Demand Status: Balance

HALL EFFECT SENSOR