SKU: SENS-0817
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Infineon Technologies XENSIV PAS CO2 Gas Detection Sensor PASCO2V01BUMA1 - 0-32000 ppm, I2C/UART/PWM

₹3,249.00 (Inclusive of all taxes)
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The Infineon Technologies XENSIV™ PAS CO2 sensor (PASCO2V01BUMA1) is a high-precision, MEMS-based carbon dioxide detector utilizing photoacoustic spectroscopy (PAS) for direct ppm readout. It features I²C, UART, and PWM interfaces for easy integration into HVAC systems, smart home IoT devices, and industrial air quality monitors.

Features

  • Photoacoustic Spectroscopy (PAS) principle for accurate, real CO2 sensing.
  • Measurement range from 0 to 32,000 ppm with ±3% reading accuracy.
  • Multiple digital interfaces: I²C, UART, and PWM output.
  • Compact SMD form factor optimized for space-constrained applications.
  • Integrated microcontroller provides direct ppm concentration output.

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Description

The XENSIVâ„¢ PAS CO2 sensor represents a disruptive advancement in gas sensing technology, leveraging Infineon Technologies’s expertise in MEMS and sensor systems. It operates on the photoacoustic spectroscopy principle, where absorbed infrared light by CO2 molecules within a sealed cavity generates a measurable pressure change. This signal is processed by an integrated microcontroller to deliver a precise, direct ppm concentration reading, eliminating the need for complex external signal conditioning.

Designed for long-term reliability with a typical lifetime of 20 years, the sensor is optimized for low-frequency operation and maintains high accuracy across a wide range of environmental conditions. Its robust performance is guaranteed within specified temperature, humidity, and pressure ranges, making it suitable for demanding, continuous monitoring applications in both commercial and industrial settings.

Key Features

  • High-accuracy CO2 sensing based on Photoacoustic Spectroscopy (PAS) technology.
  • Exceptionally compact and surface-mountable (SMD) form factor.
  • Integrated signal processing provides direct digital ppm output.
  • Supports flexible communication via I²C, UART, or PWM interfaces.
  • Wide functional measurement range from 0 to 32,000 ppm.
  • Designed for long-term stability with a typical operational lifetime of 20 years.
  • Operates reliably across an ambient temperature range of 0 to 50°C.
  • Robust performance within a pressure range of 750 to 1150 hPa.

Applications

  • Demanding Indoor Air Quality (IAQ) monitoring and control systems.
  • HVAC (Heating, Ventilation, and Air Conditioning) system optimization.
  • Smart home and building automation IoT devices.
  • Air quality monitoring in greenhouses and agricultural environments.
  • In-cabin air quality management for automotive and public transport.

Technical Specifications

Manufacturer Part NumberPASCO2V01BUMA1
Gas TypeCarbon Dioxide (CO2)
Measurement Range0 to 32,000 ppm
Accuracy±3% of reading (e.g., ±30 ppm @ 1000 ppm)
Sensing PrinciplePhotoacoustic Spectroscopy (PAS)
InterfacesI²C, UART, PWM
Supply Voltage (VDD3.3)3.0 to 3.6 V
Supply Voltage (VDD12)10.8 to 13.2 V
Operating Temperature0 to 50 °C
Operating Pressure750 to 1150 hPa
Operating Humidity0 to 85% RH (non-condensing)
Response Time (Typical)90 seconds
Resolution (Typical)1 ppm
Item TypeGas Sensor Module

Frequently Asked Questions

What is the operating voltage for this Infineon Technologies CO2 sensor?

The sensor requires two separate power supplies. The digital core (VDD3.3) operates from 3.0V to 3.6V, while the photoacoustic detector element (VDD12) requires a higher voltage between 10.8V and 13.2V. Both supplies must be provided for proper operation.

What communication interfaces does the PASCO2V01BUMA1 support?

This sensor module provides three different output interfaces for maximum flexibility: a standard I²C digital interface, a UART (serial) interface, and a Pulse Width Modulation (PWM) output. You can select the interface that best suits your microcontroller or PLC system.

How accurate is this sensor, and what is its measurement range?

The sensor has a functional measurement range from 0 to 32,000 ppm of CO2. Its accuracy is ±3% of the reading within the core range of 400 to 5,000 ppm at 25°C, translating to an error margin of approximately ±30 ppm at a 1,000 ppm reading.

What is the response time of the sensor?

The sensor has a typical response time of 90 seconds to reach a stable reading after a step change in CO2 concentration, under standard conditions (3.3V & 12V supplies, 25°C). This is characteristic of the photoacoustic measurement principle.

Is this sensor suitable for outdoor or industrial environments?

Its specified operating temperature range is 0°C to 50°C and it is rated for 0-85% relative humidity (non-condensing). While robust for indoor and HVAC applications, it is not designed for harsh outdoor or unconditioned industrial environments without proper protective enclosures.

Package Includes

  • 1 x Infineon Technologies XENSIV PAS CO2 Sensor (PASCO2V01BUMA1)

Additional Information

Weight 0.01 kg
Dimensions 10 × 7 × 3 cm