Part Number: LIS331HH

Manufacturer: STMicroelectronics

Description: Accelerometers MEMS Digital Sensor 3-axes Nano

Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of LIS331HH

Datasheet  LIS331HH datasheet
Category Sensors, Transducers
Family Motion Sensors – Accelerometers
Manufacturer STMicroelectronics
Packaging Tray
Part Status Active
Type Digital
Axis X, Y, Z
Acceleration Range ±6g, 12g, 24g
Sensitivity (LSB/g) 333 (±6g) ~ 83 (±24g)
Sensitivity (mV/g)
Bandwidth 25Hz ~ 500Hz
Output Type I2C, SPI
Voltage – Supply 2.16 V ~ 3.6 V
Features Adjustable Bandwidth, Selectable Scale, Sleep Mode
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 16-VFLGA
Supplier Device Package 16-LGA (3×3)

The LIS331HH is perfect for usage in embedded application contexts because it has a digital I2C/SPI serial interface. All of the primary pins have been divided up into the 0.1″ spacing headers. Additionally, it features two mounting holes that can be utilized.

STMicroelectronics offers an ultra-low-power, full-scale  linear accelerometer under the model number LIS331HH. Because it possesses a digital I2C/SPI serial interface, it is ideally suited for use in embedded application environments. Additionally, the gadget keeps ultra-low-power operational modes, enabling improved power-saving functions and innovative sleep-to-wake-up capabilities.

The LIS331HH can measure accelerations with output data rates ranging from 0.5 Hz to 1 kHz. It has user-selectable complete scales of +-6g/+-12g/+-24g dynamically, and the user can choose which of these scales to utilize. The user can check the functionality of the sensor in its intended use by virtue of the sensor’s built-in self-test capabilities.

LIS331HH Features

  • There are three scale options: 6 g, 12 g, and 24 g.
  • It outputs data in 16 bits.
  • It has two separate programmable interrupts.
  • It includes an improved power-saving Smart sleep to wake-up functionality.

LIS331HH More features

The LIS331HH can measure up to a difference of 24g along each of its three axes! If that does not satisfy your needs, the H3LIS331 course will undoubtedly meet all of your requirements.

The H3LIS331 can measure accelerations up to 400g, albeit at the reasonable cost of some signal noise at lower “human level” accelerations. In addition to their significant measurement capability, the LIS331s come equipped with high-pass and low-pass filters that are both built-in and configurable. These filters allow you to tailor the readings to your specific application.

SPI and I2C interfaces provide them the versatility to allow them to be utilized in various applications, and adjustable data rates let you vary how frequently measurements are taken depending on your power budget. Additionally, you can adjust how frequently measurements are taken based on your power budget.



Power Pins

A power of 3V is needed to operate the sensor on the breakout. We threw a 3.3V regulator on the board because many of our clients use 5V microcontrollers like Arduino. Due to its extremely low dropout, it can be powered anywhere between 3.3V and 5V without any problems.

  • Vin– This is the power jack on the board. Because the chip requires 3 VDC, we have integrated a voltage regulator into the board that can accept between 3 and 5 VDC and converts it securely. Give the board the same amount of power as the logic level of your microcontroller to power it. For instance, if your microcontroller is a 5V micro like Arduino, give it 5V.
  • 3Vo– This is the voltage regulator’s 3.3V output; you can draw up to 100mA from it if you’d like.
  • GND– this is a common ground for logic  and power

I2C Pins

  • SCL – Connect the I2C clock pin to the I2C clock line on your microcontroller. Include a 10K pull-up already.
  • SDA – Connect the I2C data pin to the I2C data line on your microcontroller. Include a 10K pull-up already.
  • Keep the CS pin unplugged or connected to a high (3-5V) logic level when using I2C.
  • SDO– This pin can be utilized for address selection in I2C mode. The address is 0x18 when connected to GND or left open; it can alternatively be linked to 3.3V to change the address to 0x19.

SPI pins

Level shifting circuitry makes all the pins entering the breakout safe for 3-5V logic levels. Use whatever level of reasoning Vin has!

  • SCL– This pin serves as the chip’s input for the SPI clock.
  • SDA– for information that is transferred from your CPU to the BME680; CS, which stands for “Chip Select.”
  • SDOMicrocontroller In Sensor Out pin is used for data delivered from the LIS331 to your CPU. 3.3V logic level out is what it is.
  • CS– This is the Chip Select pin; to begin an SPI transaction, bring its value down to its minimum. It is a data source for the chip.

If you want to connect more than one LIS331 to the same microcontroller, you must ensure that they share the SDO,  SDI, and SCK pins. After that, give each one its own individual CS pin.

Additional pins

  • INT, I2 –The pins that are used for interrupt output. You can design an interrupt to become active based on various situations, such as data becoming accessible to either pin. For further information, please refer to the datasheet that may be found by following the link on the Downloads page.
  • NC – The pins that are used for interrupt output. You can design an interrupt to become active based on various situations, such as data becoming accessible to either pin. For further information, please refer to the datasheet that may be found by following the link on the Downloads page.

LIS331HH Applications

  • It is used to identify free-fall.
  • It is used to identify sudden brakes.
  • It is used to detect Rollover states.

LIS331HH Specification

  • It operates between 3.3 and 5 volts.
  • Operating at 10uA in low power mode and 0.3mA overall (Normal mode).
  • Gravity-I2C serves as its interface.
  • I2C address for it is 0x19 (Default)/0x18 (Optional).
  • It has a Selectable Scale of 6g, 12g, and 24g.
  • has a frequency range of 0.5Hz–1KHz.
  • 16-bit Data Output is a feature of it.
  • Its operating temperature range is -40°C to +85°C.
  • It can withstand shocks of 10,000 g.
  • Its module size is 27 mm by 27 mm (1.06 mm by 1.06).
  • It has an inner diameter of 3 mm and an exterior diameter of 6 mm for the mounting hole.


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