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Renesas Launch Industry’s First Software Upgradeable Digital Outdoor Air Quality Sensor, evaluation board and samples available from Anglia

IDT Sensors

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® ZMOD4510 sensor can detect ozone (O3) and nitrogen oxides (NOx) gases, two significant causes of unhealthy outdoor air quality. The ability of the ZMOD4510 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.

The ZMOD4510 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. ZMOD4510 devices are also highly resistant to siloxanes for superior reliability use in harsh applications.

The ZMOD4510 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

Free Evaluation   
Key Features
  • Measurement of total outdoor air quality (OAQ)
  • Algorithm to calculate the concentrations of outdoor gases
  • Configurable alarm/interrupt output with static and adaptive levels
  • Adjustable ADC resolution for optimal speed versus resolution: 16-bit maximum
  • Heater driver and regulation loop for constant resistance, minimizing effect of environmental temperature on signal
  • Internal auto-compensated temperature sensor; not stress sensitive
  • I²C interface: up to 400kHz
  • Configurable alarm/interrupt output with static and adaptive levels
  • Built-in non-volatile memory (NVM) for module-specific data
  • Low average power consumption in low mW range
  • Supports low-voltage and low-power battery applications
  • No external trimming components required
  • External reset pin (active-LOW)
  • Customization for mobile, industrial, and consumer applications
  • Siloxane resistant
  • RoHS compliant

The measurement results from the ZMOD4510 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 ZMOD4510 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.

The ZMOD4510 is ideal for product designers working on HVAC systems, industrial cameras, home automation systems, smart air purifiers, smartwatches, and other wearables, the ZMOD4510 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 ZMOD4510 can be quickly integrated into designs thanks to precompiled firmware and the pre-calibration of all ZMOD4510 sensors, which lowers customer production costs.

ZMOD4510 Gas Sensors for Outdoor Air Quality Applications Overview

Evaluation Kit

To help design engineers accelerate their designs Renesas have made available the ZMOD4510-EVK evaluation kit which creates an easy way to evaluate the ZMOD4510 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.

To register for a FREE evaluation board and samples of the ZMOD4510 Outdoor Air Quality Sensor Platform from Renesas, please fill in the form below

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FREE samples for UK and Ireland customers only, subject to availability.

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