Description
The LIS2HH12TR is a low-power, high-performance 3-axis accelerometer manufactured by STMicroelectronics. It is designed for various applications, including motion-sensing in portable devices, gaming, and fitness equipment. The device features a digital I2C and SPI interface for easy integration with microcontrollers and processors.
Operating within a supply voltage range of 1.7V to 3.6V, the LIS2HH12TR offers a wide range of measurement scales (up to ±8g) and output data rates (up to 800 Hz), allowing flexibility in performance and power consumption optimization. It includes embedded functionality like a programmable finite state machine, which enables gesture recognition and contextual awareness without continuous intervention from a host microcontroller, thus saving power.
The accelerometer is housed in a compact 2x2x1 mm LGA package, which is suitable for space-constrained applications. It also includes embedded self-test features, 16-bit data output, and an integrated temperature sensor. The LIS2HH12TR is popular for its balance of performance, power efficiency, and compact size, making it ideal for modern electronic applications.
Equivalent
The LIS2HH12TR is a low-power, high-performance 3-axis accelerometer by STMicroelectronics. Equivalent products include the ADXL345 by Analog Devices, the KX022-1020 by Kionix, the
BMA280 by Bosch Sensortec, and the MMA8452Q by NXP Semiconductors. These alternatives offer similar features like low power consumption, compact size, and digital interfaces suitable for mobile and wearable applications. Always verify specific application requirements when choosing a replacement.
Features
The LIS2HH12TR is a compact, high-performance, low-power 3-axis accelerometer manufactured by STMicroelectronics. It features a wide-ranging ±2g/±4g/±8g measurement range and a high-resolution 16-bit digital output. The device operates with low power consumption, making it ideal for battery-powered applications. It offers both I²C and SPI digital interfaces for communication with a microcontroller. The accelerometer includes several embedded functionalities such as a FIFO buffer, wake-up/sleep modes, and configurable interrupts for motion detection and free-fall detection. Additionally, it supports various operating modes to optimize power consumption and performance. The LIS2HH12TR is designed for a broad range of applications including consumer electronics, wearable devices, and industrial equipment. Its compact design and ruggedness make it suitable for harsh environments, and it is housed in a small, LGA-12 package.
Pinout
The LIS2HH12TR is a 3-axis digital accelerometer manufactured by STMicroelectronics. It is housed in a 12-pin LGA (Land Grid Array) package. The pins serve various functions necessary for the operation of the accelerometer. Here is a brief overview of the pin functions:
1. VDD - Power supply.
2. GND - Ground.
3. SCL/SPC - Serial Clock for I²C, Serial Port Clock for SPI.
4. SDA/SDI/SDO - Serial Data for I²C, Serial Data Input/Output for SPI.
5. SDO/SA0 - SPI Serial Data Output or I²C Address Selection.
6. CS - Chip Select for SPI (active low).
7. INT1 - Programmable Interrupt 1.
8. INT2 - Programmable Interrupt 2.
9. VDDIO - I/O pins supply voltage.
10. RES - Reserved; should be connected to ground.
11. RES - Reserved; should be connected to ground.
12. RES - Reserved; should be connected to ground.
These pins are essential for communication with the device, configuring its settings, and reading acceleration data. The reserved pins should typically be connected to ground to ensure proper functionality.
Manufacturer
The LIS2HH12TR is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics is known for designing and producing a wide range of semiconductor products, including integrated devices for analog, digital, and mixed-signal applications. The company primarily focuses on delivering solutions for markets like industrial, automotive, personal electronics, and communications equipment. As a leading player in the semiconductor industry, STMicroelectronics is recognized for its innovation and technological advancements in creating products that improve efficiency, enhance performance, and enable smarter technologies across a wide array of applications.
Application
The LIS2HH12TR is a 3-axis accelerometer used in various applications, including consumer electronics, wearables, and IoT devices. It excels in motion detection, gesture recognition, and step counting for fitness trackers and smartwatches. Additionally, it is employed in industrial applications for vibration monitoring and tilt sensing. The sensor's low power consumption makes it suitable for battery-operated devices, while its high sensitivity and precision are ideal for enhancing user experiences in smartphones and tablets. It is also used in gaming to enable motion-based controls and augmented reality applications.
Package
The LIS2HH12TR is a micro-electromechanical systems (MEMS) sensor in a compact LGA (Land Grid Array) package, typically measuring 2 mm x 2 mm x 1 mm. It is designed for low-power, high-performance 3-axis linear acceleration sensing.