Melexis MLX90381GLW-ACA-000-SP

The MLX90381, Triaxis® pico-resolver, is a monolithic contactless sensor IC sensitive to the flux density applied in three dimensions (X, Y, Z) to the IC. Two, selectable, axes can be mapped to the two high-speed analog outputs allowing the MLX90381 to be used for on-axis and off-axis (through-shaft) position sensing when paired with a moving permanent magnet. With its 3.3V supply, high speed, small size, and flexible configuration the MLX90381 is ideal for use in motor control applications when paired with a suitable microcontroller. With a wide operating temperature and magnetic flux density range, the MLX90381 can resolve the angular position of a rotating axis over 360 degrees in many industrial and automotive applications. With a low response time and latency, the MLX90381 can measure rotational speeds of more than 50000 RPM. Each axes’ sensitivity and filter bandwidth can be programmed directly on board using |²C protocol through 2 application pins to tailor the output to the ADC input range of the companion MCU. No external programming tool is therefore needed. The DFN-6 package (2.0mmx2.5mmx1.0mm), requiring only three external capacitors, minimizes PCB board area enabling compact designs. The MLX90381 is RoHS compliant with matte-tin plated, wettable flanks.

• Triaxis® Hall technology
• Sine and cosine analog outputs
• Output refresh rate 2 μs
• 3.3V operating supply voltage
• Operating temperature range from -40℃ to 160℃
• Selectable magnetic field Axis (X/Y - X/Z - Z/Y)
• Programmable sensitivity range
  • Mid field (10…70mT)
  • High field (40…160mT)
• End-of-Shaft / Through-Shaft operation
• Ratiometric outputs
• ISO26262 ASIL B safety element out of context
• AEC-Q100 qualified
• Onboard programming through I2C protocol
• DFN-6 single die RoHS compliant package

• Absolute rotary position sensor
• Automotive and industrial applications
• E-valves
• E-bike motors
• Brushless motor control
  • Permanent magnet synchronous motor
  • Brushless DC motor (BLDC)