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Integrated Omnipolar TMR Analog Sensors with Ultra-Low Power Consumption

CT8150, CT8152

Digital TMR Latch/Analog TMR Sensor, Omnipolar/Bipolar/Unipolar Digital Latch - CT81xx

The CT815x family offers ultra-low power consumption and high sensitivity for battery-powered applications. These omnipolar TMR sensors provide linear analog output and are available in compact LGA and SOT23 packages. The CT8152 offers dual analog and digital outputs.

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Top Features

Typical Applications

Packaging

  • Analog Output Mode, Current Consumption: ~3.0 µA
  • Current Consumption in Digital Output Mode: ~120 nA @ VDD = 1.8 V and fS = 12.5 Hz
  • Supply Voltage Range: 1.7 V to 5.5 V
  • Sensor Polarity: Omnipolar
  • Sample and Hold Analog Output @ fS = 100 Hz
  • Dual Analog and Digital Output Operation Capability
  • Digital Output is Push-pull
  • Under-Voltage Lockout (UVLO)
  • Package Options
    • 3 and 5-lead SOT23
    • 4-lead LGA, 1.45 x 1.45 x 0.44 mm
  • IoT Devices
  • Smartphones, Tablets and Laptops
  • Door or Lid Closure
  • Reed Switch Replacement
  • Tamper-proofing for Utility Smart Meters
  • Fluid Level Sensing/Detection
  • Proximity Detection
  • Motor Controllers
  • Gimbals for Camera Systems in Drones/UAVs
  • Industrial Machinery/Robots
  • Medical Devices

For applications that require a very small form factor and low profile, the CT815x sensors are assembled in a 4-lead LGA package. The CT8150 is also available in an industry standard 3-lead SOT-23 package while CT8152 is offered in a 5-lead SOT23 package to support high volume manufacturing.

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Part Number Specifications and Availability

Allegro's XtremeSense™ TMR technology

Superior magnetic sensitivity, low power consumption, and compact size compared to other technologies, driving innovation in applications like renewable energy, electric vehicles, and consumer electronics.

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Documentation and Resources

Documentation

Third Party Design Tools

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Documents Found: 32
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Application Note
What is XtremeSense TMR
Application Note
From Hall Effect to TMR
Brochure
The Future of Sensing: XtremeSense™ TMR Technology
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Documents Found: 32
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LiveBench
TMR Position Sensor