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TIDA-01624

Bluetooth®-enabled high accuracy skin temperature measurement flex PCB patch reference design

Design files

TIDA-01624

Design files

Overview

This reference design demonstrates highly-accurate sensing of skin temperature using the TMP117 high precision digital temperature sensor with CC2640R2F wireless MCU. This design provides design guidance for skin temperature measurement in medical and wearable applications along with an evaluation software and smart device application.

Features
  • High accuracy (±0.1ºC) temperature measurement around human body temperature
  • 2.4-GHz RF transceiver compatible with Bluetooth low energy (BLE) 4.2 and 5 specifications
  • Flexible PCB design with integrated PCB antenna
  • Up to three years of shelf-life along with five days of active time
  • iOS app for device monitoring
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

download Design guide — TIDA-01624
PDF | HTML
TIDUDW4A.PDF (1880 K)

Reference design overview and verified performance test data

download Schematic — TIDA-01624
TIDRYR5A.PDF (141 K)

Detailed schematic diagram for design layout and components

download Bill of materials (BOM) — TIDA-01624
TIDRYR9A.PDF (91 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

download Assembly drawing — TIDA-01624
TIDRYR7A.PDF (119 K)

Detailed overview of design layout for component placement

download CAD/CAE symbol — TIDA-01624
TIDRYR8A.ZIP (639 K)

Files used for 3D models or 2D drawings of IC components

download Gerber file — TIDA-01624
TIDCF89A.ZIP (495 K)

Design file that contains information on physical board layer of design PCB

download PCB layout — TIDA-01624
TIDRYR6A.PDF (460 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Digital temperature sensors

TMP117 — 0.1°C digital temperature sensor, 48-bit EEPROM, PT100/PT1000 RTD replacement

Data sheet: PDF | HTML
Low-power 2.4-GHz products

CC2640R2F — SimpleLink™ 32-bit Arm® Cortex®-M3 Bluetooth® 5.1 Low Energy wireless MCU with 128-kB flash

Data sheet: PDF

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Software

Technical documentation

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Type Title Date
* Design guide Bluetooth-Enabled High Accuracy Skin Temperature Measurement Flex PCB Ref Design (Rev. A) PDF | HTML May 19, 2020

Related design resources

Hardware development

EVALUATION BOARD
LAUNCHXL-CC2640R2 — CC2640R2 LaunchPad™ development kit for SimpleLink™ Bluetooth® Low Energy wireless MCU TMP117EVM — TMP117 digital temperature sensor evaluation module

Reference designs

REFERENCE DESIGN
TIDA-00721 — Passive NFC Temperature Patch Reference Design

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