iC-TW39

24-Bit Magnetic On-Axis Angle Sensor

  • TMR-based absolute angle sensor over 360°
    with up to 24-Bit Singleturn resolution
  • High operating distance and axial play tolerance
  • Push-button calibration for ease of installation

Datasheet

Software

Evaluation Kits

Targets

Category:

Description

The iC-TW39 is a very compact TMR-based system-on-chip solution for 360-degree absolute angle sensing in the end-of-shaft position. The sensor signal is resolved by a high-resolution interpolator, featuring resolution-enhancing digital filtering and automatic signal error correction.

Types and Packages

  • iC-TW39 QFN32-5×5, RoHS compliant MSL 3, 260°C

Features

  • TMR-based absolute angle sensor over 360°
  • >with up to 24-Bit Singleturn resolution
  • High operating distance and axial play tolerance
  • Push-button calibration for ease of installation
  • Automatic signal error correction in operation
  • User-programmable ABZ output with 1 up to 65,536 pulses
  • Outstanding AB jitter performance (e.g. ±2 % at 2500 cpr)
  • UVW output at 1 up to 32 cpr, adjustable rotor angle
  • Bidirectional open-source BiSS interface, profile compatible
  • 24-bit revolution counting (initialization by MT interface is optional)
  • High accuracy (INL ±0.1°) and repeatability (±0.04°)
  • Ultra-low output lag of 1.5 μs
  • User-programmable on-chip EEPROM
  • Operation at 3.3 V from – 40 °C to +125 °C

Application

  • High-resolution angle sensing
  • Brushless motor commutation (2…64 poles)
  • Servo motor control
  • Incremental or absolute rotary encoders