Overview
The LIS2DW12TR is an ultra-low-power triaxial digital accelerometer from STMicroelectronics, belonging to ST’s high-performance MEMS sensor series. This device utilizes advanced MEMS technology, integrating high-precision triaxial acceleration detection and supporting multiple low-power operating modes. It is designed for wearable devices, the Internet of Things (IoT), industrial monitoring, and consumer electronics applications.
The LIS2DW12TR supports multiple measurement ranges of ±2g, ±4g, ±8g, and ±16g. It features built-in digital filters, a FIFO buffer, and rich motion detection capabilities, enabling intelligent applications such as attitude recognition, free fall detection, single/double click detection, and activity monitoring. With its ultra-low power consumption, high-precision measurement, and compact package design, the LIS2DW12TR has become an ideal solution for modern low-power motion sensing systems.
Core parameters
| Parameter | Value |
| Product Type | Triaxial digital accelerometer |
| Number of axes to measure | X / Y / Z axes |
| Measurement range | ±2g / ±4g / ±8g / ±16g |
| Output Data Rate (ODR) | up to 1.6kHz |
| Digital Interface | I²C / SPI |
| Operating voltage | 1.62V ~ 3.6V |
| Power consumption | Ultra-low power consumption (minimum standby 50nA) |
| FIFO | 32-level FIFO |
| Built-in functions | Free fall, wake-up, single/double click, 6D/4D orientation detection, activity detection |
| Encapsulation type | LGA-12 (2mm × 2mm) |
| Operating temperature range | -40°C to +85°C |
| Environmental standards | RoHS compliant |
Features
Ultra-low power design
The LIS2DW12TR is optimized for battery-powered devices and can significantly reduce system power consumption in ultra-low power mode, making it ideal for wearable devices, wireless sensor nodes, and IoT terminals.
High-precision triaxial motion detection
It supports four selectable measurement ranges (±2g to ±16g), enabling precise measurement of object motion, tilt, and vibration states to meet the detection needs of different application scenarios.
Rich intelligent detection functions
The device incorporates free fall detection, activity/stationary detection, single/double click recognition, 6D/4D attitude detection, and wake-up functions, which can reduce the computational burden on the MCU and improve the overall system efficiency.
Flexible digital communication interface
It supports standard I²C and SPI communication interfaces, which can be easily connected to mainstream MCU platforms such as STM32, ESP32, and Arduino to achieve rapid system integration.
Small package size is suitable for compact designs.
Employing a small 2mm × 2mm LGA-12 package, it provides high-performance sensing capabilities while effectively saving PCB space, meeting the design requirements of high-density electronic products.
Typical application scenarios
wearable devices
Smartwatches, fitness trackers, health monitoring devices, and smart glasses.
Internet of Things (IoT) terminals
Wireless sensor nodes, smart tags and remote monitoring equipment.
Industrial equipment monitoring
Equipment vibration detection, condition monitoring, and predictive maintenance.
Consumer electronics products
Tablet computers, remote controls, game controllers, and smart home devices.
Medical Electronics
Portable medical devices, fall detection and motion monitoring systems.
Comparative Advantage Analysis
| Performance indicators | LIS2DW12TR | Standard triaxial accelerometer |
| Power consumption | Extremely low | higher |
| Measurement accuracy | high | medium |
| Intelligent detection function | Rich | Base |
| FIFO buffer | Level 32 | Usually less or none |
| Interface support | I²C / SPI | generally |
| System integration | high | medium |
The LIS2DW12TR has significant advantages over ordinary accelerometers in terms of power consumption control, intelligent motion detection, and system integration capabilities, making it particularly suitable for devices that require long-term battery power.
Manufacturer Profile: STMicroelectronics
STMicroelectronics is a leading global manufacturer of MEMS sensors. Its accelerometers, gyroscopes, and inertial measurement units (IMUs) are widely used in consumer electronics, industrial automation, automotive electronics, and medical devices. The LIS series products are widely used in the global embedded market due to their high precision, low power consumption, and long-term stability.
Why choose LIS2DW12TR?
● Ultra-low power design for extended battery life
● Supports multiple measurement ranges from ±2g to ±16g
● Built-in rich motion detection and attitude recognition functions
● Supports dual communication interfaces of I²C and SPI
● Ultra-small LGA package, suitable for compact devices
● ST’s original MEMS technology, stable, reliable, and long-term supply
Frequently Asked Questions (FAQ)
Q1: What are the advantages of the LIS2DW12TR compared to ordinary accelerometers?
The LIS2DW12TR not only features ultra-low power consumption and high measurement accuracy, but also integrates a FIFO buffer and various intelligent functions such as free fall, wake-up, single/double click, and attitude detection, which can reduce the data processing burden of the MCU and improve the overall system efficiency.
Q2: Is the LIS2DW12TR suitable for wearable and IoT products?
Absolutely. Its ultra-low power design, rich motion detection features, and small package size make it ideal for smartwatches, health monitoring devices, wireless sensor nodes, and other IoT devices.
For more details and to explore our inventory, please visit the following link:
Product Details: Win Source – LIS2DW12TR
Price: Win Source – LIS2DW12TR
©2026 Win Source Electronics. All rights reserved. This content is protected by copyright and may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of Win Source Electronics.
COMMENTS