Infineon Technologies AG Magnetic position sensors, Magnetic switches TLE4966-2K

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Magnetic position sensors, Magnetic switches - TLE4966-2K - Infineon Technologies AG
Neubiberg, Germany
Magnetic position sensors, Magnetic switches TLE4966-2K
The TLE4966-2K is an integrated circuit dual Hall-effect sensor designed specifically for highly accurate applications. Precise magnetic switching points and high temperature stability are achieved by active compensation circuits and chopper techniques on chip. The sensor provides two independent speed outputs at Q1 and Q2 with the status (high or low) corresponding to the magnetic field value at the respective Hall element H1 and H2 . Both Hall elements have the identical thresholds for B OP and B RP (B OP1 = B OP2 and B RP1 = B RP2). For positive magnetic fields (south pole) exceeding the threshold B OP1 and/or B OP2 the corresponding output Q1 and/or Q2 is low, whereas for negative magnetic fields (north pole) lower than B RP the output switches to high. Due to the spatial distance of the two Hall elements on the chip (d = 1.45mm) the two output signals will show a phase difference in case the sensor is used with a rotating magnetized pole wheel. Summary of Features 2.7V to 24V supply voltage operation Operation from unregulated power supply High sensitivity and high stability of the magnetic switching points High resistance to mechanical stress by Active Error Compensation Reverse battery protection (-18V) Superior temperature stability Peak temperatures up to 195°C Low jitter (typ. 1μs) Digital output signals Excellent matching of the 2 Hall probes Hall plate distance 1.45mm Two independent speed outputs SMD package PG-TSOP6-6-5 Potential Applications „„Index counting „„Rotational speed and direction detection „„Motor driven positioning systems window lifter,power closing systems,sun blinds,garage door

The TLE4966-2K is an integrated circuit dual Hall-effect sensor designed specifically for highly accurate applications. Precise magnetic switching points and high temperature stability are achieved by active compensation circuits and chopper techniques on chip. The sensor provides two independent speed outputs at Q1 and Q2 with the status (high or low) corresponding to the magnetic field value at the respective Hall element H1 and H2 . Both Hall elements have the identical thresholds for B OP and B RP (B OP1 = B OP2 and B RP1 = B RP2). For positive magnetic fields (south pole) exceeding the threshold B OP1 and/or B OP2 the corresponding output Q1 and/or Q2 is low, whereas for negative magnetic fields (north pole) lower than B RP the output switches to high. Due to the spatial distance of the two Hall elements on the chip (d = 1.45mm) the two output signals will show a phase difference in case the sensor is used with a rotating magnetized pole wheel.


Summary of Features

  • 2.7V to 24V supply voltage operation
  • Operation from unregulated power supply
  • High sensitivity and high stability of the magnetic switching points
  • High resistance to mechanical stress by Active Error Compensation
  • Reverse battery protection (-18V)
  • Superior temperature stability
  • Peak temperatures up to 195°C
  • Low jitter (typ. 1μs)
  • Digital output signals
  • Excellent matching of the 2 Hall probes
  • Hall plate distance 1.45mm
  • Two independent speed outputs
  • SMD package PG-TSOP6-6-5

Potential Applications

  • „„Index counting
  • „„Rotational speed and direction detection
  • „„Motor driven positioning systems window lifter,power closing systems,sun blinds,garage door
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Technical Specifications

  Infineon Technologies AG
Product Category Magnetic Sensor Chips
Product Number TLE4966-2K
Product Name Magnetic position sensors, Magnetic switches
Operating Temperature -40 to 170 C (-40 to 338 F)
Applications Automobile
Sensor Type Magnetic
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