Integrated Device Technology, Inc. (IDT), a wholly owned subsidiary of Renesas Electronics Corporation has introduced the first
software-upgradeable, digital outdoor air quality sensor for high volume applications. The IDT®
sensor can detect ozone (O3) and nitrogen oxides (NOx) gases, two significant causes of unhealthy outdoor air quality. The ability of the
to quantify combined ozone and NOx in concentrations as low as 20 parts per billion (ppb), coupled with its outstanding combination
of flexibility and small size, makes it an ideal solution for a wide variety of industrial and consumer applications.
is based on proven metal oxide (MOx) material and each sensor is calibrated electrically with gas to ensure consistency from lot to lot, an
important advantage for manufacturers with long production runs.
devices are also highly resistant to siloxanes for superior reliability use in harsh applications.
Gas Sensor Module is housed in a compact 12-pin LGA assembly (3.0 x 3.0 x 0.7 mm) that consists of a gas sense element and a CMOS
signal conditioning IC. The module’s sense element consists of a heater element on a Si-based MEMS structure and a metal oxide (MOx)
chemiresistor. The signal conditioner controls the sensor temperature and measures the MOx conductivity, which is a function of the
outdoor air concentration.
ZMOD4510 Application Circuit
The measurement results from the
can be read via an I²C interface with the user’s microprocessor, which processes the data to determine an Outdoor Air Quality Rating (OAQ).
Software upgradability makes the sensors in the
platform capable of providing a variety of measurement options by varying the method of operation or changing the firmware used to interpret
the measurements for gas selectivity. Downloadable firmware libraries and source code provided by IDT enables detection of OAQ Rating and
supports smart devices implementation.
is ideal for product designers working on HVAC systems, industrial cameras, home automation systems, smart air purifiers, smartwatches, and
other wearables, the
is a sensor solution capable of targeting multiple aspects of outdoor air quality with improved energy efficiency, and high sensitivity and
reliability. Complementing these advantages, the
can be quickly integrated into designs thanks to precompiled firmware and the pre-calibration of all
sensors, which lowers customer production costs.
ZMOD4510 Gas Sensors for Outdoor Air Quality Applications Overview
To help design engineers accelerate their designs Renesas have made available the
ZMOD4510-EVK evaluation kit which creates an easy way to evaluate the
Outdoor Air Quality sensor. While the ASIC inside the sensor module controls the actual MOx and MEMS sensing element, the MCU-based
electronic module controls the I²C to USB communication interface. The system may be connected to a Windows PC via a bi-directional
USB connection and the sensor may be tested by using the provided evaluation software. The output is shown as a raw signal (resistance),
as the measured concentration for ozone and nitrogen oxides combined, and as a standardized outdoor air quality rating based on the US
Environmental Protection Agency (EPA).
Anglia are offering customers a FREE evaluation board and samples of the IDT ZMOD4510 Outdoor Air Quality Sensor Platform from Renesas,
please fill in the form below to register your interest now.
FREE samples for UK and Ireland customers only, subject to availability.
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