HDC1050 is not recommended for new designs
Although this product continues to be in production to support previous designs, we don't recommend it for new designs. Consider one of these alternates:
open-in-new Compare alternates
Same functionality with different pin-out to the compared device
HDC2080 ACTIVE 2% RH ultra-low-power digital relative humidity sensor, interrupt/DRDY Better accuracy (±2 %RH) and similar package pinout
HDC3020 ACTIVE 0.5% RH digital humidity sensor, 0.19% long-term drift, 400 nA, 4-sec response time, NIST traceable Higher accuracy (±0.5 %RH) in smaller QFN package (2.5 mm × 2.5 mm)
HDC3021 ACTIVE 0.5% RH digital humidity sensor with removable tape cover Higher accuracy (±0.5 %RH) in smaller QFN with removable tape for conformal coating
HDC3022 ACTIVE 0.5% RH digital humidity sensor with permanent IP67 filter Higher accuracy (±0.5 %RH) in smaller QFN with permanent IP67 filter

Product details

Relative humidity accuracy (typ) (%RH) ±3 Temperature accuracy (typ) (°C) ±0.2 Relative humidity operating range (typ) (%RH) 0 to 100 Supply voltage (min) (V) 3 Supply voltage (max) (V) 5 Average supply current (typ) (A) 1.2 at 1 sample/sec Operating temperature range (°C) -40 to 125 Interface type I2C Rating Catalog
Relative humidity accuracy (typ) (%RH) ±3 Temperature accuracy (typ) (°C) ±0.2 Relative humidity operating range (typ) (%RH) 0 to 100 Supply voltage (min) (V) 3 Supply voltage (max) (V) 5 Average supply current (typ) (A) 1.2 at 1 sample/sec Operating temperature range (°C) -40 to 125 Interface type I2C Rating Catalog
WSON (DMB) 6 9 mm² 3 x 3
  • Relative Humidity Accuracy ±3% (typical)
  • Temperature Accuracy ±0.2°C (typical)
  • 14 Bit Measurement Resolution
  • 100 nA Sleep Mode Current
  • Average Supply Current:
    • 710 nA @ 1sps, 11 bit RH Measurement
    • 1.3 µA @ 1sps, 11 bit RH and Temperature
      Measurement
  • Supply Voltage 2.7 V to 5.5 V
  • Small 3 mm × 3 mm Device Footprint
  • I2C Interface
  • Relative Humidity Accuracy ±3% (typical)
  • Temperature Accuracy ±0.2°C (typical)
  • 14 Bit Measurement Resolution
  • 100 nA Sleep Mode Current
  • Average Supply Current:
    • 710 nA @ 1sps, 11 bit RH Measurement
    • 1.3 µA @ 1sps, 11 bit RH and Temperature
      Measurement
  • Supply Voltage 2.7 V to 5.5 V
  • Small 3 mm × 3 mm Device Footprint
  • I2C Interface

The HDC1050 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The HDC1050 operates over a wide supply range, and is a low cost, low power alternative to competitive solutions in a wide range of common applications. The humidity and temperature sensors are factory calibrated.

The HDC1050 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The HDC1050 operates over a wide supply range, and is a low cost, low power alternative to competitive solutions in a wide range of common applications. The humidity and temperature sensors are factory calibrated.

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Technical documentation

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Type Title Date
* Data sheet HDC1050 Low Power, High Accuracy Digital Humidity Sensor with Temperature Sensor datasheet (Rev. C) PDF | HTML 18 Dec 2015
Technical article How to use boost converters in wireless sensor nodes PDF | HTML 06 Oct 2015
EVM User's guide HDC1050 Evaluation Module User's Guide (Rev. A) 26 Jun 2015
Technical article Achieve extremely long battery life in wireless sensor nodes PDF | HTML 18 Jun 2015

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

GUI for evaluation module (EVM)

SNOC028 Sensing Solutions EVM GUI Tool v1.10.0

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Supported products & hardware

Supported products & hardware

Products
Humidity sensors
HDC1000 Low Power, 3% Accuracy Digital Humidity Sensor with Integrated Temperature Sensor HDC1050 ±3% low-power, digital humidity sensor with temperature sensor HDC2010 2% RH ultra-small, low-power digital relative humidity sensor HDC2080 2% RH ultra-low-power digital relative humidity sensor, interrupt/DRDY
Inductive sensor AFEs
LDC1001-Q1 Automotive, 5V, grade-0, Inductance to Digital Converter LDC1041 1-Ch, 5V, 24-bit L, 8-bit Rp, inductance to digital converter LDC1051 1-Ch, 5V, 8-bit Rp, inductance to digital converter LDC1101 1-Ch, 1.8V, 24-bit L, 16-bit Rp, inductance to digital converter for high speed applications LDC1312 2-Ch, 12-bit, general purpose inductance to digital converter LDC1312-Q1 2-Ch, 12-bit, general purpose automotive inductance to digital converter LDC1314 4-Ch, 12-bit, general purpose inductance to digital converter LDC1314-Q1 4-Ch, 12-bit, general purpose automotive inductance to digital converter LDC1612 2-Ch, 28-bit, high-resolution Inductance to digital converter LDC1612-Q1 2-Ch, 28-bit, high-resolution automotive inductance to digital converter LDC1614 4-Ch, 28-bit, high-resolution Inductance to digital converter LDC1614-Q1 4-Ch, 28-bit, high-resolution automotive inductance to digital converter LDC2112 2-Ch inductance to digital converter with baseline tracking for low power touch buttons LDC2114 4-Ch inductance to digital converter with baseline tracking for low power touch buttons
Signal conditioners
FDC1004 4-Ch, 16-bit, capacitance to digital converter with active shield driver FDC1004-Q1 4-Ch, 16-bit, automotive capacitance to digital converter with active shield driver FDC2112 2-Ch, 12-bit, capacitance to digital converter FDC2112-Q1 2-Ch, 12-bit, automotive capacitance to digital converter FDC2114 4-Ch, 12-bit, capacitance to digital converter FDC2114-Q1 4-Ch, 12-bit, automotive capacitance to digital converter FDC2212 2-Ch, 28-bit, capacitance to digital converter FDC2212-Q1 2-Ch, 28-bit, automotive capacitance to digital converter FDC2214 4-Ch, 28-bit, capacitance to digital converter FDC2214-Q1 4-Ch, 28-bit, automotive capacitance to digital converter
Hardware development
Evaluation board
FDC1004EVM FDC1004EVM - 4 Channel Capacitive to Digital Converter Evaluation Module FDC1004QEVM Automotive 4-Channel Capacitive to Digital Converter Evaluation Module FDC2114EVM FDC2114 with Two Capacitive Sensors Evaluation Module FDC2214EVM FDC2214 with Two Capacitive Sensors Evaluation Module HDC1010EVM HDC1010 Low Power Humidity and Temperature Sensor Evaluation Module HDC1080EVM HDC1080 low-power humidity and temperature sensor evaluation module HDC2010EVM HDC2010 Low Power Humidity and Temperature Sensor Evaluation Module HDC2080EVM HDC2080 Low Power Humidity and Temperature Sensor Evaluation Module LDC1000EVM LDC1000EVM - Evaluation Module for Inductance to Digital Converter with Sample PCB Coil LDC1312EVM LDC1312 Evaluation Module for Inductance to Digital Converter with Sample PCB Coils LDC1314EVM LDC1314 Evaluation Module for Inductance to Digital Converter with Sample PCB Coils LDC1612EVM LDC1612 Evaluation Module for Inductance to Digital Converter with Sample PCB Coils LDC1614EVM LDC1614 Evaluation Module for Inductance to Digital Converter with Sample PCB Coils LDC2114EVM LDC2114 1.8V 4-Channel Inductive Touch Evaluation Module
Simulation model

HDC1050 IBIS Model (Rev. A)

SNAM174A.ZIP (25 KB) - IBIS Model
Reference designs

TIDA-00374 — Humidity & Temp Sensor Node for Star Networks Enabling 10+ Year Coin Cell Battery Life Ref Design

This reference design uses our nano-power system timer, SimpleLink™ ultra-low power wireless microcontroller (MCU) platform and humidity sensing technologies to demonstrate an ultra-low power method to duty-cycle sensor end nodes. These technologies lead to an extremely long battery (...)
Design guide: PDF
Schematic: PDF
Reference designs

TIDA-00373 — Backlight and Smart Lighting Control by Ambient Light and Proximity Sensor Reference Design

This system conserves power and extends backlight life by dynamically adjusting the backlight brightness relative to the environment's ambient light.  A capacitive proximity sensor wakes up the system when a user is close to save even more power.

 

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Design guide: PDF
Schematic: PDF
Reference designs

TIDA-00484 — Humidity & Temp Sensor Node for Sub-1GHz Star Networks Enabling 10+ Year Coin Cell Battery Life

This reference design uses our nano-power system timer, boost converter, SimpleLink™ ultra-low power Sub-1 GHz wireless microcontroller (MCU) platform and humidity sensing technologies to demonstrate an ultra-low power method to duty-cycle sensor end nodes leading to extremely long (...)
Design guide: PDF
Schematic: PDF
Package Pins Download
WSON (DMB) 6 View options

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