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Temperature Sensor for Wearable Devices Reference Design
TIDA-00452
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Key Document

Description

This TI Design is to demonstrate temperature sensoring aimed at the wearables market. The LMT70 temperature sensor is ideal for wearable devices due to its 0.13C temperature accuracy at human body temperatures. Its small form WCSP package allows it to be heated up quickly and thus have a fast thermal response time when placed  onto a human body.

Features
  • USB form factor PCB board with breakout tabs to attach different substrates
  • TI Design report includes thermal response of different substrates and MSP430F5528 ADC calibration techniques
  • This TI Design system is tested and includes firmware, GUI, User Guides, and a Test Report

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Schematic/Block Diagram

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Test Data

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Design Files

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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LMT70  ±0.1°C ultra-small, high-precision, low-power CMOS analog temperature sensor  Temperature sensors  Sample & Buy View Design Kits & Evaluation Modules
MSP430F5528  25 MHz MCU with 128KB Flash, 8KB SRAM, 12-bit ADC, comparator, DMA, UART/SPI/I2C, USB, HW multiplier  Microcontrollers (MCUs)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LMT70 Download -
MSP430F5528 Download Download
Download -
(ZQE) | 80 Download -

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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 890 25 Feb 2015
Design files (4)
Title Type Size (KB) Date
PDF 628 25 Feb 2015
PDF 102 25 Feb 2015
PDF 180 25 Feb 2015
PDF 142 25 Feb 2015

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