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The QMI8658C is a complete 6D MEMS inertial measurement unit (IMU) with 9-axis sensor fusion and specified system level orientation accuracy. When using the QMI8658C in combination with the supplied XKF3 9D-sensor fusion, the system features an accurate ±3° pitch and roll orientation, and a ±5°yaw/heading typical specification.
With tight board-level gyroscope sensitivity of ±3%, gyroscope noise density of 15 mdps/√Hz, and low latency, the QMI8658C is ideal for high performance consumers.
The QMI8658C incorporates a 3-axis gyroscope and a 3-axis accelerometer. It provides a UI interface (supporting I3C, I2C and 3-wire or 4-wire SPI) .
? Low 15 mdps/√Hz gyroscope noise, low-latency, and wide bandwidth for performance applications such robotic vacuums, pedestrian navigation and GNSS augmentation, 5G antenna stabilization, inertial navigation
? Low Noise 200μg/√Hz accelerometer
? Host (slave) interface supports MIPI? I3C, I2C, and 3-wire or 4-wire SPI
? Accelerometer and gyroscope sensors feature signal processing paths with digitally programmable data rates and filtering
? Complete inertial measurement unit (IMU) with sensor fusion library with specified orientation accuracy of ±3o pitch and roll, ±5o yaw/heading
? High-performance XKF3TM 6/9-axis sensor fusion with in-run calibration for correction of gyroscope bias drift over-temperature and lifetime
? 3-axis gyroscope and 3-axis accelerometer in a small 2.5 x 3.0 x 0.86 mm 14-pin LGA package
? Large 1536-byte FIFO can be used to buffer sensor data to lower system power dissipation
? Motion on demand technology for polling-based synchronization
? Large sensor dynamic ranges from ±16°/s to ±2048°/s for gyroscope and ±2 g to ±16 g for accelerometer
? Low power modes for effective power management
? Digitally programmable sampling rate and filters
? Embedded temperature sensor
? Wide extended operating temperature range (-40°C to 85°C)
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