on November 12th 36

LSM9DS1TR 9-Axis Sensor: Pinout, Specifications, and Datasheet

This article takes a look at the LSM9DS1TR, a powerful motion sensor that packs three important tools in one: a 3D accelerometer, a gyroscope, and a magnetometer. Together, these parts work to track movement with impressive accuracy. The sensor can connect in a couple of different ways through I2C or SPI, making it easy to use in a wide range of projects. It's perfect for things like robots, fitness trackers, and smart navigation systems. In this article, we’ll dive into what makes the LSM9DS1TR so special and why it's helping push motion-sensing technology to exciting new heights.

Catalog

What is the LSM9DS1TR?

The LSM9DS1TR represents a cutting-edge sensor module encompassing a 3D accelerometer, 3D gyroscope, and 3D magnetometer. These integrated sensors facilitate detailed motion and orientation analysis, providing a unique fusion of functionalities that cater to a plethora of applications. With connectivity options through I2C, operating up to 400 kHz or SPI interfaces, it can seamlessly adapt to various communication protocols, simplifying integration into diverse technological ecosystems. Designed to function efficiently within a temperature spectrum from -40°C to +85°C, the device continues to perform consistently under harsh environmental conditions, gaining trust in industries where dependable performance is esteemed. The incorporation of these three sensors opens doors to multiple fields, including electronics, robotics, and wearable technology. In electronics, precise motion tracking can elevate gaming or virtual reality experiences, offering smoother and more intuitive interactions that captivate senses. Robotics benefits from accurate orientation and motion detection, which are central to successful navigation and environmental interaction. Wearable technology gains an advantage from the compactness of LGA packaging, nurturing the creation of lightweight and discreet devices.

LSM9DS1TR Pin Configuration

Features of the LSM9DS1TR

Multi-Channel Detection Capabilities

The LSM9DS1TR sensor stands out with its varied detection channels, opening doors to numerous application scenarios. It supports adjustable full scales for acceleration ranging from ±2 to ±16 g, magnetic fields from ±4 to ±16 gauss, and angular rates from ±245 to ±2000 dps, showcasing a broad spectrum of flexibility. The 16-bit high-resolution output delivers precision, aligning with the diverse needs of electronics and industrial sectors. This versatility often fulfills the desire for adaptability in dynamic environments.

Interface Options and Power Management

With support for both I2C and SPI interfaces, this sensor adapts to a range of communication protocols, meeting varied integration demands. It functions on an analog supply voltage between 1.9V and 3.6V, accommodating different settings and power conditions seamlessly. Power-saving modes boost its efficiency, which proves advantageous in battery-powered devices. Emphasizing energy efficiency resonates with efforts to extend device lifespan and cut down operational costs, a relief for stakeholders concerned with sustainability.

Advanced Functional Features

The sensor's functionalities include programmable interrupts and an embedded temperature sensor, enhancing system interaction and environmental monitoring. Features like FIFO and motion detection support complex data processing and time analysis, offering insights into dynamic movements. These functionalities can spark a sense of accomplishment for cutting-edge solutions.

Compliance with Environmental Standards

Adhering to ECOPACK® standards, the LSM9DS1TR aligns with environmentally mindful manufacturing practices. This not only meets regulatory benchmarks but also caters to the rising demand for sustainable technologies. Embracing environmentally responsible components can represent a dedication to corporate social responsibility.

Block Diagram of the LSM9DS1TR

Alternatives of the LSM9DS1TR

Part Number	Manufacturer	Package / Case	Number of Pins	Min Supply Voltage	Supply Voltage	Max Supply Voltage	Operating Temperature	Output Type	Mounting Type
ICM-30630	TDK InvenSense	24-TFLGA Module	24	2.4 V	3 V	3.6 V	-40°C ~ 85°C (TA)	I2C, SPI	Surface Mount
LSM330TR	STMicroelectronics	24-TFQFN Module Exposed Pad	24	-	-	-	-40°C ~ 85°C (TA)	I2C, SPI	Surface Mount

LSM9DS1TR Technical Specifications

Type	Parameter
Lifecycle Status	ACTIVE (Last Updated: 7 months ago)
Mounting Type	Surface Mount
Surface Mount	YES
Operating Temperature	-40°C~85°C TA
Part Status	Active
Number of Terminations	24
HTS Code	8542.39.00.01
Terminal Form	BUTT
Number of Functions	1
Terminal Pitch	0.43mm
Base Part Number	LSM9D
Max Supply Voltage	3.6V
Analog IC - Other Type	ANALOG CIRCUIT
Length	3.5mm
Factory Lead Time	16 Weeks
Package / Case	24-TFLGA Module
Number of Pins	24
Packaging	Cut Tape (CT)
Moisture Sensitivity Level (MSL)	3 (168 Hours)
ECCN Code	EAR99
Terminal Position	BOTTOM
Peak Reflow Temperature (Cel)	NOT SPECIFIED
Supply Voltage	2.2V
Time@Peak Reflow Temperature-Max (s)	NOT SPECIFIED
Output Type	I2C, SPI
Min Supply Voltage	1.9V
Sensor Type	Accelerometer, Gyroscope, Magnetometer, Temperature, 9 Axis
Height Seated (Max)	1.027mm
Width	3mm
REACH SVHC	No SVHC
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free

Electrical Connections Diagram

Electrical Characteristics of LSM9DS1TR

Symbol	Parameter	Test Conditions	Min.	Typ. (1)	Max.	Unit
Vdd	Supply voltage		1.9		3.6	V
Vdd_IO	Module power supply for I/O		1.71		Vdd+0.1	V
Idd_XM	Current consumption of the accelerometer and magnetic sensor in normal mode (2)			600		µA
Idd_G	Gyroscope current consumption in normal mode (3)			4		mA
Top	Operating temperature range		-40		85	°C
Trise	Time for power supply rising (4)		0.01		100	ms
Twait	The time delay between Vdd_IO and Vdd (4)		0		10	ms

Absolute Maximum Ratings of LSM9DS1TR

Symbol	Ratings	Maximum Value	Unit
Vdd	Supply voltage	-0.3 to 4.8	V
Vdd_IO	I/O pins supply voltage	-0.3 to 4.8	V
Vin	Input voltage on any control pin (including CS_A/G, CS_M, SCL/SPC, SDA/SDI/SDO, SDO_A/G, SDO_M)	0.3 to Vdd_IO +0.3	V
AUNP	Acceleration (any axis)	3,000 for 0.5 ms	g
		10,000 for 0.1 ms	g
MEF	Maximum exposed field	1,000	gauss
ESD	Electrostatic discharge protection (HBM)	2	kV
TSTG	Storage temperature range	-40 to +125	°C

LSM9DS1TR Power-Up Sequence

The power supply timing for this device involves a few steps to ensure reliable operation. First, the rise time (called "Triose") is the period it takes for the power supply voltage (Vdd_IO) to increase from 10% to 90% of its final value. This rise time needs to be carefully controlled so that the device’s I/O lines can stabilize before the main operating voltage (Vdd) starts to increase. Once Vdd_IO has reached 90% of its target value, there’s a required delay time called "Twait." This delay allows the I/O and interface logic to settle under a steady supply voltage before Vdd begins to ramp up. The Twait period is important for avoiding configuration errors or potential damage, as it prevents the core logic and memory from being powered up too soon.

After Twait, the core voltage Vdd can begin ramping up smoothly until it reaches its operating level. This ramp-up must be gradual to prevent any voltage spikes that might disrupt the device’s internal circuits. Finally, once both Vdd_IO and Vdd have reached stable levels, the device initialization can begin. This step involves setting up internal registers, calibrating sensors, and configuring communication protocols as needed. Following these steps helps ensure that the device operates reliably within its specified electrical and operational limits. For specific details or values for Triose and Twait, refer to the datasheet or reference manual provided by the manufacturer.

Operating Modes of LSM9DS1TR

The LSM9DS1 sensor module, which includes both an accelerometer and a gyroscope, can operate in different modes based on application needs. In Accelerometer Only Mode, only the accelerometer is active while the gyroscope stays off, making it useful for measuring linear acceleration while conserving power. In Combined Mode, both the accelerometer and gyroscope are active and run at the same Output Data Rate (ODR), which is ideal for applications that need comprehensive motion tracking, such as drones, wearable devices, or other smart devices that rely on accurate orientation, position, and movement data.

Applications of the LSM9DS1TR

Indoor Navigation and Control Systems

Recent developments in indoor navigation systems have led to notable progress, offering precise location tracking and seamless integration with smart environments. This technology is reshaping how people navigate through spaces while refining the accuracy of smart home interfaces. The detailed process of mapping indoor environments facilitates a smoother interaction, particularly advantageous in intricate spaces like large shopping malls, airports, and healthcare facilities. Here, precise navigation enhances satisfaction and boosts operational efficiency. These environments can be quite overwhelming and emotionally engaging, making such enhancements even more valuable.

Smart Interface Control

Smart interface control technology provides versatility and accessibility through sophisticated gestures and voice commands. Its practicality in everyday life is evident across various applications, including lighting systems, climate control, and security management. Advances in this area feature adaptive learning algorithms that tailor responses to preferences, adding a layer of personalization and efficiency in controlling smart devices. An illustrative example is the use of adaptive interfaces in smart thermostats, which adjust based on learned routines, thus maintaining a balance between convenience and energy conservation.

Gesture Recognition

Gesture recognition technology has steadily improved, resulting in more precise and responsive interactions. This advancement supports a smooth applications that range from augmented reality (AR) devices to virtual assistants. In gaming, gesture recognition has transformed player interaction with virtual environments. The development of multi-modal systems, which combine gesture recognition with voice and facial recognition, represents ongoing progress toward more organic and seamless machine interactions.

Gaming and Dynamic Interaction

The gaming industry leads in adopting technology that facilitates dynamic interaction, substantially enriching gameplay experiences. The inclusion of motion-sensing technology has initiated groundbreaking shifts, enabling a more engaging and physical gaming experience. As technology progresses, the potential grows for more intricate and interactive gaming experiences blending real and virtual elements. This trend is evident in the increasing use of VR and AR in gaming, offering players not just entertainment but also a canvas for creativity and innovation.

LSM9DS1TR Package

LSM9DS1TR Manufacturer Information

The LSM9DS1TR, a marvel of microelectronics crafted by STMicroelectronics, embodies the seamless integration of cutting-edge System-on-Chip technology into varied applications. This module combines accelerometer, gyroscope, and magnetometer functions, broadening motion-sensing possibilities for everything from everyday gadgets to complex industrial systems. STMicroelectronics excels in crafting efficient and high-performance solutions, continually advancing the field through relentless research and development endeavors. The company's global influence is marked by a dedication to sustainability and high standards, delivering circuits and sensors that adapt to dynamic shifts in market needs.

Datasheet PDF

LSM9DS1TR Datasheets:

2.73KHz.pdf

2.73KHz.pdf

Cylindrical Battery Holders.pdf

ICM-30630 Datasheets:

Cylindrical Battery Holders.pdf

Cylindrical Battery Holders.pdf

LSM330TR Datasheets:

Cylindrical Battery Holders.pdf

2.73KHz.pdf

Cylindrical Battery Holders.pdf