LSM6DSL is designed to implement features such as significant motion, tilt, pedometer functions, step detector
and step counter, time stamping and to support the data acquisition of an external magnetometer with ironing
correction (hard, soft).
LSM6DSL has a full-scale acceleration range of ±2/±4/±8/±16 g and an angular rate range of ±125 / ±245 / ±500 /
±1000 / ±2000 dps.
The registers embedded inside the LSM6DSL may be accessed through both the I
2
C and SPI serial interfaces.
On the B-L4S5I-IOT01A Discovery kit for the IoT node, the I2C2 bus from STM32L4S5VIT6U is used.
LSM6DSL is available in a plastic land grid array LGA-14L (2.5x3x0.83mm) package, ECOPACK
®
, RoHS, and
“Green” compliant.
6.10.5 260 hPa to 1260 hPa absolute digital output barometer (LPS22HB)
The absolute pressure-sensing device LPS22HB is an ultra-compact piezoresistive sensor which functions as a
digital output barometer.
The device comprises a sensing element and an IC interface which communicates from the sensing element to
the application through I2C or SPI. On the B-L4S5I-IOT01A Discovery kit for the IoT node, the I2C2 bus from
STM32L4S5VIT6U is used.
The sensing element, which detects absolute pressure, consists of a suspended membrane manufactured using a
dedicated process developed by ST.
LPS22HB is available in a full-mold, holed LGA package (HLGA). It is guaranteed to operate over a temperature
range extending from -40 °C to +85 °C. The package is holed to allow external pressure to reach the sensing
element.
The main features of LPS22HB are:
• From 260 hPa to 1260 hPa absolute pressure range
• Current consumption down to 3 μA
• High overpressure capability: 20x full-scale
• Embedded temperature compensation
• 24-bit pressure data output
• 16-bit temperature data output
• ODR from 1 Hz to 75 Hz
• SPI and I²C interfaces
• Embedded FIFO
• Interrupt functions: Data Ready, FIFO flags, pressure thresholds
• Supply voltage from 1.7 V to 3.6 V
• High shock survivability: 22,000 g
• Small and thin package
• ECOPACK
®
lead-free compliant
6.10.6 Time-of-Flight and gesture detection sensor (VL53L0X)
VL53L0X is a new generation Time-of-Flight (ToF) laser-ranging module housed in a small package, providing
accurate distance measurement whatever the target reflectance, unlike conventional technologies. It can measure
absolute distances up to two meters, setting a new benchmark in ranging performance levels, opening the door to
various new applications.
VL53L0X integrates a leading-edge SPAD array (Single Photon Avalanche Diodes) and embeds an ST second
generation FlightSense™ patented technology.
The VL53L0X 940 nm VCSEL emitter (Vertical-Cavity Surface-Emitting Laser), is totally invisible to the human
eye, coupled with internal physical infrared filters, it enables longer ranging distance, higher immunity to ambient
light and better robustness to cover-glass optical cross-talk.
UM2708
STMicroelectronics sensors
UM2708 - Rev 1
page 22/43
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