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

(ACTIVE) TIDA-00374

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Key Document

Description

This TI Design uses Texas Instruments 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 life: over 10 years with a standard CR2032 lithium ion coin cell battery. The TI Design includes techniques for system design, detailed test results, and information to get the design up and running quickly.

 

Features
  • Use of Nano-Power System Timer to Duty-Cycle the System Results in 10+ Year Battery Life from CR2032 Coin Cell
  • Configurable System Wakeup Interval
  • Extremely Low Off-State Current (183 nA for 59.97 seconds)
  • Ultra Low On-State Current Due to Low Active Processor and Radio Transmit Currents (4.04 mA for 30 ms)
  • ±2% Relative Humidity Accuracy
  • ±0.2°C Temperature Accuracy

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Schematic/Block Diagram

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Test Data

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Design Files

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Bill of Materials (BOM)

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TI Devices (13)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CC2620  SimpleLink ultra-low power wireless MCU for RF4CE  Wireless connectivity  Sample & Buy View Design Kits & Evaluation Modules
CC2630  Ultra-low power wireless MCU targeting 2.4GHz applications  SimpleLink Solutions  Sample & Buy View Design Kits & Evaluation Modules
CC2640  SimpleLink ultra-low power wireless MCU for Bluetooth low energy  SimpleLink Solutions  Sample & Buy View Design Kits & Evaluation Modules
CC2650  SimpleLink multi-standard 2.4 GHz ultra-low power wireless MCU  SimpleLink Solutions  Sample & Buy View Design Kits & Evaluation Modules
HDC1000  Low Power, 3% Accuracy Digital Humidity Sensor with Integrated Temperature Sensor  Sensors  Not Available View Design Kits & Evaluation Modules
HDC1008  Low Power, 4% Accuracy Digital Humidity Sensor with Integrated Temperature Sensor  Sensors  Not Available View Design Kits & Evaluation Modules
HDC1010  HDC1010 Low Power, High Accuracy Digital Humidity Sensor with Temperature Sensor  Sensors  Sample & Buy View Design Kits & Evaluation Modules
HDC1050  Low Power, 3% Accuracy Digital Humidity Sensor with Integrated Temperature Sensor  Sensors  Not Available Not Available
TPD1E10B06  Single-Channel ESD in 0402 Package With 10pF Capacitance and 6V Breakdown  Circuit protection  Sample & Buy View Design Kits & Evaluation Modules
TPL5100  Nano Power Programmable Timer with Power Gating Functionality  Clock & timing  Sample & Buy View Design Kits & Evaluation Modules
TPL5110  Ultra Low Power Timer with MOS driver and MOSFET Power ON  Clock & timing  Sample & Buy View Design Kits & Evaluation Modules
TPL5111  Ultra Low Power System Timer (35 nA) for Power Gating in duty cycled applications  Clock & timing  Sample & Buy View Design Kits & Evaluation Modules
TS5A3160  1-Ohm SPDT Analog Switch 5-V/3.3-V Single-Channel 2:1 Multiplexer/Demultiplexer  Switches & multiplexers  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CC2620 Download
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CC2630 Download Download
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CC2640 Download Download
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CC2650 Download Download
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HDC1000 Download -
HDC1008 Download -
HDC1050 Download Download
TPD1E10B06 Download Download
TPL5100 Download
TPL5110 Download Download
TPL5111 Download Download
TS5A3160 Download Download
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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 14380 13 May 2016 35
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 424 23 May 2016 6
PDF 1373 23 May 2016 3
PDF 226 23 May 2016 1 1
ZIP 548 23 May 2016 2
PDF 88 23 May 2016 2
PDF 465 23 May 2016 19
Related Tools & Software

Reference Designs  ( 1 )

Software (1)



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