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TIDM-FRAM-THERMOSTAT

Thermostat Implementation with MSP430 Microcontroller Reference Design

Design files

TIDM-FRAM-THERMOSTAT

Design files

Overview

This reference design, featuring the MSP430FR4133 MCU, is for a battery-powered thermostat with an RS-485 remote control. The design provides accurate temperature measurement, a 3.4 inch LCD and extended battery life through ultra-low power operation.  

Features
  • 0°C - 35°C temperature measurement with 0.1°C resolution
  • Ultra-low power: 1.8uA standby current
  • Capacitive touch buttons available
  • 20-pin BoosterPack™ module headers to add connectivity
  • GUI for RS-485 remote control
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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 — TIDM-FRAM-THERMOSTAT
TIDU516A.PDF (6559 KB)

Reference design overview and verified performance test data

download Assembly drawing — TIDM-FRAM-THERMOSTAT
TIDRAY0.ZIP (129 KB)

Detailed overview of design layout for component placement

download Bill of materials (BOM) — TIDM-FRAM-THERMOSTAT
TIDRAX8A.PDF (60 KB)

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

download CAD/CAE symbol — TIDM-FRAM-THERMOSTAT
TIDRAY1.ZIP (2809 KB)

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

download Gerber file — TIDM-FRAM-THERMOSTAT
TIDC670.ZIP (3498 KB)

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

download PCB layout — TIDM-FRAM-THERMOSTAT
TIDRAX9.PDF (156 KB)

PCB layer plot file used for generating PCB design layout

download Schematic — TIDM-FRAM-THERMOSTAT
TIDRAX7.PDF (48 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

RS-485 & RS-422 transceivers

SN65HVD75 — 3.3-V half-duplex RS-485 transceiver with IEC ESD, 20 Mbps

Data sheet: PDF | HTML
ESD protection diodes

TPD2E2U06 — Dual 1.5-pF, 5.5-V, ±25-kV ESD protection diode with 5.5-A 8/20-uS surge rating for USB 2.0

Data sheet: PDF | HTML
MSP430 microcontrollers

MSP430FR4133 — 16 MHz MCU with 16KB FRAM, 2KB SRAM, 10-bit ADC, LCD, UART/SPI/I2C, IR logic, timer

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TPS782 — 150-mA, nano-IQ, low-dropout voltage regulator with enable from -40°C to +125°C

Data sheet: PDF | HTML

Start development

Software

Support software

TIDC669 — Thermostat Implementation with FRAM Microcontroller Software

Supported products & hardware

Supported products & hardware

Hardware development
Reference design
TIDM-FRAM-THERMOSTAT — Thermostat Implementation with MSP430 Microcontroller Reference Design
Download options

TIDC669 — Thermostat Implementation with FRAM Microcontroller Software

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Version: 01.00.00.00
Release date: Oct 2, 2014
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Thermostat Implementation with FRAM Microcontroller Software (zip)  — 44464 K

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Hardware development
Reference design
TIDM-FRAM-THERMOSTAT — Thermostat Implementation with MSP430 Microcontroller Reference Design

Release Information

The design resource accessed as www.ti.com/lit/zip/tidc669 or www.ti.com/lit/xx/tidc669/tidc669.zip has been migrated to a new user experience at www.ti.com/tool/download/TIDC669. Please update any bookmarks accordingly.

Technical documentation

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Type Title Date
* Design guide Thermostat Implementation With MSP430FR4xx Design Guide (Rev. A) Oct 15, 2014
Technical article Sense, measure and more with MSP430™ MCUs at embedded world 2017 PDF | HTML Mar 14, 2017

Related design resources

Hardware development

DEVELOPMENT KIT
MSP-EXP430FR4133 — MSP430FR4133 LaunchPad™ development kit

Software development

IDE, CONFIGURATION, COMPILER OR DEBUGGER
ENERGYTRACE — EnergyTrace Technology

Support & training

TI E2E™ forums with technical support from TI engineers

View all forum topics

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