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Electronic Design Update
August 31, 2021

Why long-term consistent performance matters for relative humidity sensors

The exposed polymer of humidity sensors can be impacted by the environment, leading to drift over time. This article discusses the accuracy and long-term drift of humidity sensors and how these parameters impact system performance and lifetime.

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1629898587 Hdc3020

The HDC3020 offers industry leading 1.5% typical relative humidity accuracy while maximizing reliability with built-in resistance to contaminants and harsh environments.

1629898588 Hdc3020 Q1

Enhance automotive systems with high accuracy and low power humidity sensors

The HDC3020-Q1 automotive humidity and temperature sensor provides high accuracy measurements over a wide supply range (1.62 V - 5.5 V) with ultra-low power consumption.

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1629898588 Hdc3020evmangled

Evaluate the HDC3020 humidity sensor family with the HDC3020EVM

The HDC3020EVM enables evaluation of the HDC3020 humidity sensor family with hardware for interface with a computer, break-off capability for connecting to a system and a GUI for configuration of features, including drift correction.

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Overview of relative humidity sensing

Understand the fundamentals of humidity and how to get started using TI's integrated temperature and humidity sensors.

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Physics of humidity sensing

Learn more about the terminology behind the study of humidity and the physics behind several humidity sensing technologies. 

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Humidity sensor design considerations

This TI Precision Labs video explains the factors to consider when designing a system with an IC humidity sensor - including package selection, thermal design, RH accuracy and Hysteresis, case design, and environmental conditions.

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Humidity sensor storage and handling

Review recommendations for storing and handling TI's family of humidity sensors in this video.

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This application brief describes the three-prong approach - polymer selection, protective cover offerings and drift correction - taken during the development of the HDC3020 humidity sensors to optimize accuracy over system lifetime.


Discover low power humidity sensing

Walk through how to improve efficiency and battery life when designing with the HDC3020 humidity sensor while learning about which system-level parameters to consider and how to calculate average sensor current.

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85°C/85% accelerated life testing in systems using humidity sensors

Explore the 85°C/85% relative humidity (RH) accelerated life test, its impact on RH sensors, and how to address conflicts when the same design needs both 85°C/85% tests and RH sensors in this white paper.

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