LIS2DW12TR | Acceleration Sensor | ST (STMicroelectronics) Package LGA-12 Integrated Circuit

LIS2DW12TR is an ultra-low power three-axis MEMS digital accelerometer produced by STMicroelectronics. It adopts a 2mm × 2mm LGA-12 package and supports four ranges of ± 2g/± 4g/± 8g/± 16g. The standby current is as low as 50nA, suitable for battery powered scenarios such as wearable devices and IoT sensors. ‌‌‌

Core parameters and characteristics

Basic specifications:

Sensor type: three-axis (X/Y/Z) digital accelerometer.

Package size: 2mm × 2mm × 1mm, 12 pin LGA package.

Working voltage: 1.62V~3.6V, compatible with low-voltage MCU systems.

Working temperature: -40 ° C~+85 ° C, industrial grade temperature range.

Communication interface: I ² C or SPI (4-wire/3-wire). ‌‌‌

Performance parameters:

Measurement range: ± 2g/± 4g/± 8g/± 16g (software configurable).

Output data rate: adjustable from 1.6Hz to 1600Hz.

Resolution: 16 bit digital output.

Noise density: Low power mode 90 μ g/√ Hz, high-performance mode 70 μ g/√ Hz.

Zero drift temperature drift: 0.8mg/° C, with good temperature stability. ‌‌‌

Power consumption performance:

Standby mode: 50nA (shutdown mode).

Low power mode: Approximately 0.45 μ A at a 12.5Hz output rate.

Working mode: Typical 90 μ A (depending on output rate). ‌‌‌

Built in features:

32 level FIFO buffer to reduce intervention from the main processor.

Motion detection engine: free fall detection, wake-up, single/double click recognition.

Direction detection: 6D/4D direction detection, static/motion detection.

Self checking function: It can verify the working status of the sensor. ‌‌‌

Typical application scenarios

Wearable devices: smartwatches, sports wristbands, hearing aids, used for step counting detection, sleep monitoring, and wrist flip screen.

IoT sensors: wireless sensor nodes, asset trackers, smart tags, utilizing low-power characteristics to achieve long-term battery power supply.

Smart home: smart door lock, smart remote control, door and window status monitoring, realizing posture detection and action recognition.

Industrial equipment: motor vibration detection, small machinery status monitoring, transportation process impact recording.

Consumer electronics: TWS earphones (posture detection, double-click to cut songs), laptops (fall protection). ‌‌‌

For technical and business inquiries, please contact Mr. Zhang at 13430464310