Spezifikationen
Hersteller: STMicroelectronics
Device Type: 6-axis MEMS inertial measurement unit integrating 3-axis accelerometer and 3-axis gyroscope, tape and reel surface mount packaging
Wichtige elektrische Parameter
Analog supply voltage range: 1.71 V ~ 3.6 V
Independent I/O supply voltage: 1.62 V minimum
Accelerometer adjustable full-scale range: ±2 g, ±4 g, ±8 g, ±16 g
Gyroscope adjustable angular rate range: ±125 dps, ±250 dps, ±500 dps, ±1000 dps, ±2000 dps
All data output adopts 16-bit high resolution
Typical current consumption in combined high-performance working mode: 0.55 mA
Standby quiescent current: 3 μA
Built-in on-chip temperature sensor for ambient temperature monitoring
Operating temperature range: -40 ℃ ~ +85 ℃
Storage temperature range: -40 ℃ ~ +125 ℃
Package specification: 14-pin VFLGA miniature package, dimension 2.5 mm × 3.0 mm × 0.83 mm
Main Functional Features
Supports always-on low-power working architecture, maintaining motion detection capability with extremely low power consumption
Equipped with 9 KB large-capacity smart FIFO buffer, realizing batch data storage and transmission to reduce host processor scheduling frequency
Compatible with three mainstream digital communication interfaces: I2C, SPI and MIPI I3CSM
Comes with auxiliary SPI channel dedicated for optical image stabilization data output
Embedded abundant motion detection algorithms inside the chip: step counter, step detector, tilt detection, significant motion recognition, free fall monitoring, single and double tap click detection
Configurable finite state machine can process sensor data autonomously without main chip intervention
Dual programmable interrupt pins for flexible trigger event notification
Excellent mechanical shock resistance and anti-vibration performance to adapt to portable equipment complex usage scenarios
Fully compliant with Android sensor standard specifications
Halogen-free packaging materials, conforming to RoHS environmental requirements
Typische Anwendungsszenarien
Smart bracelets, smart watches and wearable fitness monitoring devices
TWS wireless earbuds motion sensing and gesture control
AR/VR portable devices attitude tracking
Smart phones optical image stabilization and motion sensing functions
Portable camera anti-shake control module
IoT wireless sensor node attitude and vibration monitoring
Handheld measuring instruments motion posture collection
