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HDC2010 Datasheet Preview

HDC2010 Datasheet

Low-Power Humidity and Temperature Digital Sensor

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HDC2010
SNAS693C – JULY 2017 – REVISED MAY 2019
HDC2010 Low-Power Humidity and Temperature Digital Sensors
1 Features
1 Relative humidity range: 0% to 100%
• Humidity accuracy: ±2%
• Sleep current: 50 nA
• Average supply current (1 measurement per
second)
– RH only (11 bit): 300 nA
– RH (11 bit) + temperature (11 bit): 550 nA
• Temperature range:
– Operating: –40°C to 85°C
– Functional: –40°C to 125°C
• Temperature accuracy: ±0.2°C typical
• Supply voltage: 1.62 V to 3.6 V
• Programmable sampling rate (5 Hz, 2 Hz, 1 Hz,
0.2 Hz, 0.1 Hz, 1/60 Hz, 1/120 Hz) or trigger on
demand
• I2C interface
2 Applications
• Smart thermostats
• Smart home assistants
• Refrigerators
• Refrigerated transport
• Washer/dryers
• HVAC systems
• Gas sensing
• Communications equipment
• Environmental tags
• Smoke and heat detectors
• Inkjet printers
• Surveillance cameras
• CPAP machines
• Wearables
3 Description
The HDC2010 is an integrated humidity and
temperature sensor that provides high accuracy
measurements with very low power consumption, in
an ultra-compact WLCSP (Wafer Level Chip Scale
Package). The sensing element of the HDC2010 is
placed on the bottom part of the device, which makes
the HDC2010 more robust against dirt, dust, and
other environmental contaminants. The capacitive-
based sensor includes new integrated digital features
and a heating element to dissipate condensation and
moisture. The HDC2010 digital features include
programmable interrupt thresholds to provide
alerts/system wake-ups without requiring a
microcontroller to be continuously monitoring the
system. This, combined with programmable sampling
intervals, low inherent power consumption, and
support for 1.8-V supply voltage, make the HDC2010
well suited for battery-operated systems.
The HDC2010 provides high accuracy measurement
capability for a wide range of environmental
monitoring applications and Internet of Things (IoT)
such as smart thermostats, smart home assistants
and wearables. The HDC2010 can also be used to
provide critical temperature and humidity data for cold
chain transportation and storage of perishable goods
to help ensure products like food and
pharmaceuticals arrive fresh.
The HDC2010 is factory-calibrated to 0.2°C
temperature accuracy and 2% relative humidity
accuracy and includes a heating element to burn
away condensation and moisture for increased
reliability. The HDC2010 supports operation from
–40°C to 125°C and from 0% to 100% relative
humidity.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
HDC2010
DSBGA (6-bump)
1.5 mm × 1.5 mm ×
0.675 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Application
1
RH Accuracy
10
Typical
9
8
7
6
5
4
3
2
1
0
0
10
20
30
40
50
60
70
80
90 100
RH (%RH)
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




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HDC2010 Datasheet Preview

HDC2010 Datasheet

Low-Power Humidity and Temperature Digital Sensor

No Preview Available !

HDC2010
SNAS693C – JULY 2017 – REVISED MAY 2019
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ..................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 4
6.6 I2C Interface Electrical Characteristics ..................... 6
6.7 I2C Interface Timing Requirements........................... 6
6.8 Typical Characteristics .............................................. 7
7 Detailed Description .............................................. 8
7.1 Overview ................................................................... 8
7.2 Functional Block Diagram ......................................... 8
7.3 Feature Description................................................... 8
7.4 Device Functional Modes........................................ 15
7.5 Programming .......................................................... 15
7.6 Register Maps ......................................................... 17
8 Application and Implementation ........................ 28
8.1 Application Information............................................ 28
8.2 Typical Application ................................................. 28
9 Power Supply Recommendations...................... 30
10 Layout................................................................... 30
10.1 Layout Guidelines ................................................. 30
10.2 Layout Example .................................................... 31
11 Device and Documentation Support ................. 32
11.1 Documentation Support ....................................... 32
11.2 Receiving Notification of Documentation Updates 32
11.3 Community Resources.......................................... 32
11.4 Trademarks ........................................................... 32
11.5 Electrostatic Discharge Caution ............................ 32
11.6 Glossary ................................................................ 32
12 Mechanical, Packaging, and Orderable
Information ........................................................... 33
4 Revision History
Changes from Revision B (August 2018) to Revision C
Page
• Added pin type description for DRDY/INT pin ........................................................................................................................ 3
• Changed description of behavior of TH_STATUS bit when INT_MODE is set to 1............................................................. 11
• Changed description of behavior of TH_STATUS bit when INT_MODE is set to 0............................................................. 11
• Changed description of behavior of TL_STATUS bit when INT_MODE is set to 1 ............................................................. 12
• Changed description of behavior of TL_STATUS bit when INT_MODE is set to 0 ............................................................. 12
• Changed description of behavior of HH_STATUS bit when INT_MODE is set to 1 ............................................................ 13
• Changed description of behavior of HH_STATUS bit when INT_MODE is set to 0 ............................................................ 13
• Changed description of behavior of HL_STATUS bit when INT_MODE is set to 1 ............................................................. 14
• Changed description of behavior of HL_STATUS bit when INT_MODE is set to 0 ............................................................. 14
• Changed the units for Humidity threshold low from: °C to: %RH......................................................................................... 24
• Changed the temperature resolution decoding from: 8 bit to: 9 bit ...................................................................................... 26
• Changed the humidity resolution decoding from: 8 bit to: 9 bit ........................................................................................... 26
• Changed the measurement configuration "10" bit encoding from: Humidity Only to: NA for field MEAS_CONFIG[1:0] ..... 26
Changes from Revision A (March 2018) to Revision B
Page
• Changed the HDC2010 Detailed Description section, Application and Implementation section, Power Supply
Recommendations section, and Layout section to align with the HDC2010 data sheet........................................................ 8
Changes from Original (July 2017) to Revision A
Page
• Changed Features bullet from: Automatic Sampling Rate to: Programmable Sampling Rate............................................... 1
• Changed Features bullet from: On Demand to: Trigger On Demand .................................................................................... 1
• Changed HL_MASK to HL_ENABLE in Humidity Low......................................................................................................... 14
2
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Copyright © 2017–2019, Texas Instruments Incorporated



Part Number HDC2010
Description Low-Power Humidity and Temperature Digital Sensor
Maker etcTI
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