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A33110: Precision TMR Angle Sensor with Integrated Diagnostics

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The A33110 is a 360° angle sensor ICs that provide contactless high-resolution angular position information based on magnetic sensing that combines TMR (Tunneling MagnetoResistance) and VH (Vertical Hall) technologies.

The device is a system-on-chip (SoC) architecture that includes two independent angle sensing channels, digital signal processing, and output options: SPI, PWM, motor commutation (U, V, W), and encoder outputs (A, B, I).

Also integrated into the devices are on-chip EEPROM technology, capable of supporting a high number of read/write cycles for flexible end-of-line programming of calibration parameters.

  • Primary TMR channel capable of 14-bit noise-free resolution
  • Secondary channel capable of 10-bit noise-free resolution
  • Wide operating voltage (3.7 to 18 V) enables direct connection to vehicle battery
  • Linearization to reduce error from misalignment between the sensor and target magnet 
  • AEC-Q100 grade 1
  • Designed to meet ASIL D requirements when used in conjunction with appropriate system-level control 
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Documentation

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Documents Found: 32
Document Type Document Name
Application Note
Output Protocols for Angle and Linear Position Sensors
Brochure
Brochure: ClearPower LED Driver Modules
Selection Guide
Allegro Product Selection Guide
Technical Article
October 03, 2022
Enabling New Levels of Performance and Safety in Magnetic Sensors with xMR