ISM6HG256XTR

Part: ISM6HG256XTR — STMicroelectronics

Type: Intelligent 6-axis IMU (dual-range 3-axis accelerometer plus 3-axis gyroscope)

Description: 6-axis IMU with simultaneous lowg (±2 to ±16 g) and highg (±32 to ±256 g) accelerometer channels, a 3-axis gyroscope up to ±4000 dps, embedded FSM and machine learning core, and a 1.71–3.6 V analog supply.

Operating Conditions:

• Supply voltage (VDD): 1.71–3.6 V
• I/O supply voltage (VDDIO): 1.08–3.6 V
• Operating temperature: -40 to +105 °C
• Supply current: 0.67 mA in 6-axis combo high-performance mode

Absolute Maximum Ratings:

• Max supply voltage (VDD): -0.3 to +4.8 V
• Input voltage on control pins: -0.3 to VDDIO + 0.3 V
• Storage temperature: -40 to +125 °C
• Mechanical shock: 20,000 g for 0.2 ms
• ESD (HBM): 2 kV

Key Specs:

• Lowg accelerometer full scale: ±2/±4/±8/±16 g
• Highg accelerometer full scale: ±32/±64/±128/±256 g
• Gyroscope full scale: ±250/±500/±1000/±2000/±4000 dps
• Supply current: 0.67 mA (6-axis, combo high-performance mode)
• Supply current: 0.80 mA (6-axis with dual accelerometer full scale, combo high-performance mode)
• FIFO: up to 4.5 KB
• OIS channel output data rate: 7.68 kHz
• Pedometer operates at 30 Hz

Features:

• Four-channel architecture: user interface, OIS, EIS and highg
• Finite state machine: 8 independent programs, up to 960 Hz
• Machine learning core: 8 decision trees, up to 256 nodes
• Adaptive self-configuration (ASC)
• Sensor fusion low-power (SFLP) algorithm with game rotation vector output
• SPI / I²C / MIPI I3C v1.1 serial interface
• Auxiliary SPI / I3C for OIS data output
• Sensor hub supporting up to four external sensors
• Pedometer, step detector and counter, tilt and significant motion detection
• Interrupts: highg wake-up and shock, free-fall, wake-up, 6D/4D orientation, click and double click
• Embedded temperature sensor
• ECOPACK and RoHS compliant

Applications:

• Condition monitoring
• Asset tracking
• Robotics
• Factory automation
• Safety helmets / hard hats
• Black boxes

Package:

• LGA-14L (2.5 x 3.0 x 0.83 mm typ.), tape and reel

• Dual 3-axis accelerometer channels
• -Lowg channel ±2/±4/±8/±16 g full scale
• -Highg channel ±32/±64/±128/±256 g full scale
• 3-axis gyroscope with extended selectable full scale
• -±250/±500/±1000/±2000/±4000 dps full scale
• Programmable finite state machine for accelerometer (lowg & highg ), gyroscope, and external sensor data processing with high rate @ 960 Hz
• Machine learning core with exportable features and filters for AI applications
• Embedded adaptive self-configuration (ASC)
• Embedded sensor fusion low-power (SFLP) algorithm
• Smart FIFO up to 4.5 KB
• "Smart, always-aware" experience for system power optimization
• Supply current
• -6-axis configuration @ 0.67 mA in combo high-performance mode
• -6-axis configuration with dual accelerometer full scale @ 0.80 mA in combo high-performance mode
• SPI / I²C & MIPI I3C ® v1.1 serial interface with main processor data synchronization
• Auxiliary SPI & MIPI I3C ® v1.1 for OIS data output for gyroscope and accelerometer
• Smart digital features: advanced pedometer, step detector, step counter, significant motion detection, tilt detection
• Standard interrupts: highg wake-up and highg shock, free-fall, wake-up, 6D/4D orientation, click and double click
• Embedded temperature sensor
• Analog supply voltage: 1.71 V to 3.6 V
• Independent I/O supply (extended range: 1.08 V to 3.6 V)
• Compact footprint: 2.5 mm x 3 mm x 0.83 mm
• ECOPACK and RoHS compliant

• Condition monitoring
• Asset tracking
• Robotics
• Factory automation
• Safety helmets / hard hats
• Black boxes

Direction of detectable

angular rate (top view)

Figure 5. Pin connections

@VDD = 1.8 V, T = 25°C, unless otherwise noted.

Table 4. Electrical characteristics

Stresses above those listed as 'absolute maximum ratings' may cause permanent damage to the device. This is a stress rating only and functional operation of the device under these conditions is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.

Table 9. Absolute maximum ratings

Note:

Supply voltage on any pin should never exceed 4.8 V.

This device is sensitive to mechanical shock, improper handling can cause permanent damage to the part.

This device is sensitive to electrostatic discharge (ESD), improper handling can cause permanent damage to the part.

To meet environmental requirements, ST offers these devices in different grades of ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions, and product status are available at: www.st.com. ECOPACK is an ST trademark.