With more than 20 years of industry experience, Renesas is an expert in providing sensor technologies that enable our customers to design and build best-in-class sensor solutions. As we expand the breadth of our sensor technologies, Renesas will create unique and differentiated sensor solutions.

  • Breadth of Experience – Bringing decades of knowledge, know-how and data from our technologies today into our solutions of the future
  • Trusted, Reliable Partner – A proven supplier who has shipped millions of parts into major consumer, automotive and data center applications
  • Best-in-Class Performance – Featuring low-power, high-accuracy solutions meeting ISO 26262, Automotive EMC, and JEDEC memory module requirements



Biosensors for health and well-being provide data to monitor vital functions

Environmental Sensors

Sensors for TVOC, VOC, hydrogen gas, flammable gas, and thermopile CO2 gas detection

Flow Sensors

Solid-state flow sensor modules (flow meters) for measuring liquids and gases

Humidity Sensors

Sensors that feature a ±1.5% RH accuracy and four-second response time

Industrial Radar Sensors

Integrated 4D imaging radars

Light & Proximity Sensors

Ambient light sensors, proximity sensors and laser diode driver solutions

Position Sensors

Contactless magnet-free position sensors for immunity to magnetic stray fields

Sensor Signal Conditioners (SSC/AFE)

Resistive and capacitive sensor signal conditioner ICs for best-in-class sensor solutions

Temperature Sensors

High accuracy, low power consumption & wide temperature ranges

Automotive Sensors

Sensors for light and position sensing and sensor signal conditioning ICs


HS4xxx Relative Humidity Sensors Overview

Learn about Renesas’ HS4XXX family of relative humidity and temperature sensors provide high accuracy, fast measurement response time, and ultra-low power consumption in a small package size, making them ideal for a wide number of applications ranging from portable devices to products designed for harsh environments

News & Blog Posts

Environmental Sensors Are at the Core of Evolving Indoor Air Quality Standards Blog Post May 29, 2023
Introduction of Evaluation Environment of BLDC Motor with Inductive Position Sensor IC (IPS2200) by RA6T2 Blog Post Oct 20, 2022
Renesas’ New Resolver 4.0 Catalog Offers 80 Market-Ready Inductive Position Sensor Designs News Sep 15, 2022
Enabling Good Air Quality in Our Homes with Next Generation Humidity Sensors Blog Post Jun 22, 2022
Something in the Air Quality Blog Post Sep 10, 2019
IDT Launches Industry’s First Software Upgradeable Digital Gas Sensor Platform for Smart Refrigerators News Jan 7, 2019
IDT Provides New Firmware for its Latest Indoor Air Quality Platform to Support Low-Power Applications News Dec 13, 2018
Managing Air Quality with Remote Gas Sensors Blog Post Dec 12, 2018
IDT Introduces New 6LoWPAN Module for Wirelessly Connecting IoT Devices News Nov 12, 2018
IDT Releases New Firmware for Bathroom and Kitchen Applications on its Indoor Air Quality Platform News Oct 4, 2018
IDT Expands its Flagship Integrated VOC Gas Sensor Line With Solutions for Indoor Air Quality Applications News Jun 21, 2018
IDT Unveils Wireless Sensor Hub Evaluation Kit for IoT, Smart Home and Other Applications Requiring Real-Time Sensor Data News Jan 11, 2018
Intelligent Sensors for Intelligent Systems Blog Post Jan 9, 2018
Do-It-Yourself Sensor Signal Conditioning Blog Post Dec 20, 2017
IDT Adds Humidity Sensors to Its Growing Portfolio of Industry-Leading Environmental Sensor Solutions News Nov 21, 2017
IDT Introduces Gas Sensor Portfolio Offering Industry-leading Performance and Reliability News Nov 17, 2017
Why Does MOx Make the Difference? Blog Post Nov 15, 2017
Why Reinvent Turbine Wheel-Style Flow Meters? Blog Post Oct 20, 2017
IDT Expands Sensor Portfolio with Solid-State Flow Sensor Modules for Liquids and Gases News Jul 25, 2017