Reliable and Universal Magnetic Position Sensor

The KMA36 from TE is a very reliable universal magnetic position sensor IC to handle precise rotational or linear measurement with a resolution up to 0.04°.

  • Product type : Contactless rotational and linear encoder
  • Typical operating voltage (V): 3–5.5
  • Package : TSSOP20
  • Sensing range : 0–180°, 0–360°
  • Signal output : Analog

Overview

The KMA36 digital position sensor IC integrates a magnetoresistive element together with analog to digital converter and signal processing in a typical small TSSOP package. By employing Anisotropic Magneto Resistive (AMR) technology, the KMA36 is can establish accurately and contactless the magnetic angle of an external magnet over 360°, besides the incremental position on a magnetic pole strip with 5 mm pole length.

Its sleep and low power mode and automatic wakeup over I2C make the KMA36 suitable for a number of battery applications. Position data can be conveyed using a PWM or digital two-wire (SDA, SCL) communication bus. Applying the programmable parameters of this digital position sensor, users can have access to a wide variety of configuration parameters to guarantee the maximum of freedom and functionalities.

Benefits

  • Contactless absolute 360° (180°) angle measurement
  • Programmable zero position
  • Programmable resolution up to 13 bit (0.04°)
  • User programmable parameters
  • High-accuracy mode
  • Very low hysteresis
  • Incremental mode
  • Linear mode
  • Low power mode
  • Standard I2C Interface (100 kHz)
  • Sleep and automatic wake-up over I2C
  • Small Pb-Free package (TSSOP20)
  • Device address hardware configurable
  • For applications in harsh environments
  • RoHS compliant

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