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Medium-g / Wide Bandwidth Tri-Axis Magnetometer/ Tri-Axis Accelerometer - KMX63-1055

The KMX63 is a 6 Degrees-of-Freedom inertial sensor system that features 16-bit digital outputs accessed through I²C communication. The KMX63 sensor consists of a tri-axial magnetometer plus a tri-axial accelerometer coupled with an ASIC. It is packaged in a 3 x 3 x 0.9 mm Land Grid Array (LGA) package. The ASIC is realized in standard 0.18 µm CMOS technology and features flexible user programmable ±8g/±16g/±32g/±64g full scale range for the accelerometer and a +/-1200 µT range for the magnetometer. Accelerometer and Magnetometer data can be accumulated in an internal 384 byte FIFO buffer and transmitted to the application processor.


  • Up to +/-1200µT full scale range
  • Up to ±64g full scale range
  • Frequency response up to 6kHz
  • User-selectable Output Data Rate up to 1600Hz
  • 384-byte FIFO buffer with watermarking capability
  • Embedded Temperature Sensor
  • User-configurable accelerometer and magnetometer motion wake-up engines
  • Enhanced integrated Free fall engine
  • Magnetometer auto-calibration and MI rejection

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Product Specifications

Axis Magnetometer Range G Range Accelerometer Sensitivity Magnetic Sensitivity Resolution Package Size Pins Package Type Interface Output Wakeup Operating Temperature (Min.)[°C] Operating Temperature (Max.)[°C] Supply Voltage [V]
6 1200 µT 8g, 16g, 32g, 64g 4096 (± 8g), 2048 (± 16g), 1024 (± 32g), 512 (±64g), counts/g 27.3 (± 1200µT) counts/µT 16-bit 3x3x0.9mm 16-pin LGA Digital (I²C) Yes -40 85 1.7-3.6