Texas Instruments TMAG511x 2-Dimensional Dual Hall-Effect Latches

Texas Instruments TMAG511x 2-Dimensional Dual Hall-Effect Latches

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Texas Instruments TMAG511x 2-Dimensional Dual Hall-Effect Latches operate from a 2.5V to 38V power supply. Designed for high-speed and high-temperature motor applications, these devices are optimized for applications leveraging rotating magnets. Integrating two sensors and two separate signal chains, the TMAG511x offers two independent digital outputs, giving speed and direction calculation (TMAG5111) or giving directly the digital output of each independent latches (TMAG5110). This high level of integration allows the use of a single TMAG511x device instead of two separate latches.

The device is offered in a standard 3mT operating point, as well as a high-sensitivity 1.4mT operating point. The higher magnetic sensitivity provides flexibility in low-cost magnet selection and mechanical component placement. The Texas Instruments TMAG511x is also available in three 2-axis combination options (X-Y, Z-X, Z-Y) to allow flexible placement of the sensor relative to the magnet. The device performs consistently across a wide ambient temperature range of –40°C to +125°C.

Features

  • 2D sensing with planar and vertical hall sensors
  • Inherent quadrature independent of magnet alignment or magnet pole pitch
  • Two functional options available:
    • TMAG5110 – independent 2D outputs
    • TMAG5111 – speed and direction outputs
  • Ultra-high magnetic sensitivity
    • TMAG511xx2 – ±1.4mT (typical)
    • TMAG511xx4 – ±3mT (typical)
  • Fast 40kHz sensing bandwidth
  • 2.5V to 38V operating VCC range
  • Open-drain output (10mA sink)
  • Wide ambient operating temperature range
    • –40°C to +125°C
  • Protection Features
    • Reverse Supply Protection (up to –20V)
    • The device survives up to 40V
    • Output Short-Circuit Protection
    • Output Current Limitation

more information: https://www.ti.com/product/TMAG5110

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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