The ILPS22QSTR has jumped out of the traditional single MEMS pressure sensor positioning, and is a three-in-one micro-sensing chip with **air pressure detection + electrostatic touch sensing + external analog acquisition**. It has ultra-high pressure measurement accuracy, ultra-wide working temperature range, strong impact resistance, multi-bus communication, and ultra-low standby power consumption; The core competitiveness is the Qvar electrostatic induction channel, which can help hardware engineers reduce a touch IC, compress PCB space, and reduce the overall material cost.

From outdoor wear, home medical equipment, to industrial measurement and control, smart home water leakage alarm, this model is suitable for most small-scale air pressure monitoring and non-contact sensing scenarios, and is a component with outstanding comprehensive strength among ST's multi-functional MEMS sensors.

Multi-industry application scenarios dimension

Relying on the pressure detection + electrostatic touch two-in-one capability, the sensor covers multiple tracks such as consumer, medical, industrial, and environmental monitoring:

1. Consumer electronics and wearable hardware

Outdoor watch barometric pressure gauge, Bluetooth headset touch detection, smart bracelet, portable positioning device, relying on Qvar channel to realize shell tapping control.

 2. Healthcare equipment

Respirators, home CPAP sleep respirators, gas flow meters, monitor airway pressure; Portable vital sign equipment and fall detection equipment (Man-down detection) rely on changes in air pressure to judge human posture and fall action.

3. Industrial automation and fluid measurement and control

Water gas metering instrument, filter pressure difference monitoring, closed cavity pressure monitoring, small pneumatic component detection.

4. Environmental monitoring equipment

Small weather station, outdoor environmental detector, mountain climbing equipment height sensor.

5. Smart home

Water leakage alarm (Qvar detects changes in water body electrostatic changes), cabinet touch sensing, door and window air pressure sensing detection.

Manufacturer: STMicroelectronics

Product Type: Plate Machine Interface Pressure Sensor

Pressure type: Absolute

Working pressure: 26 kPa to406 kPa

Output type: Digital

Installation style: SMD/SMT

Interface type: I2C, SPI

Package / Box: LGA-10

Minimum operating temperature: -40 C

Maximum operating temperature: + 105 C

Packaging: Reel

Packaging: Cut Tape

Package: MouseReel

Trademark: STMicroelectronics

Humidity Sensitivity: Yes

Working power current: 11.7 u A

Product Type: Board Mount Pressure Sensors

8000

Subcategory: Sensors

Power supply voltage - maximum: 3.6 V

Power supply voltage - minimum: 1.7 V

Unit weight: 7 mg

Common specifications of STMicroelectronics:

LIS2DWLTR

LSM6DSV16XTR

LSM6DSV32XTR

L9663-TR-1

LSM6DSOETR3

LSM6DSK320XTR

ISM330DHCXTR

ASM330LHHTR

SPC584B70E3EHC0X

STM32H563MIY3QTR

STM32F0316DIE1

STM32G473VCT6

STM32H7B0ZBT6

STM32L053R8T6

ST (STMicroelectronics) sensors; 3D accelerometer; Temperature sensing; ST sensor; Sensor Gyroscope

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