Smart Damper Control Reference Design With Pressure, Humidity, and Temperature Sensing TIDA-01067 (ACTIVE)

Description & Features

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Key Document

Description

This reference design is built to enable multiple room comfort control in connected HVAC systems. Sensing temperature, humidity, and pressure allows independent monitoring and air-flow adjustment in each zone. This TI Design converts a constant air volume (CAV) into a variable air volume (VAV) system. Collected data can be transmitted wirelessly to the smart thermostat or gateway. Onboard sensors can be employed to allow predictive maintenance, shorten technical troubleshooting time, and reduce overall energy consumption. Long battery life allows the smart damper to run for many years without the need to spend time and money on battery replacement.

Features
  • SimpleLink™ software platform
  • Integrated Bluetooth® low energy radio and MCU for smaller form factor
  • Configurable advertisement interval up to 4 seconds
  • Ultra-low-power consumption
    • Total average current of 30.56 μA (five louver adjustment events per day)
    • 3.7-μA standby current
    • 61-μA/MHz ARM® Cortex®-M3
    • DC-DC converter uses 28 μA of average power (500-ms advertisement interval)
  • Operates on 4 AA batteries
  • Motor driver has integrated FETs and current sense comparator, enabling easy design, and small solution size with minimal discretes

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Schematic/Block Diagram

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Design Guide

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Design Files

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TI Devices (8)

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Part Number Name Product Family Sample & Buy 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
CSD23285F5  -12V, P ch NexFET MOSFET™, single LGA 0.8x1.5, 35mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
CSD25310Q2  -20V, P ch NexFET MOSFET™, single SON 2x2, 23.9mOhm  MOSFETs  Sample & Buy Not Available
DRV8833  2A Low Voltage Dual Brushed DC or Single Bipolar Stepper Motor Driver (PWM Ctrl)  Motor drivers  Sample & Buy View Design Kits & Evaluation Modules
HDC1010  ±2% low-power digital humidity and temperature sensor in WCSP  Sensors  Sample & Buy View Design Kits & Evaluation Modules
LP55231  9 Channel RGB / White LED Driver with Internal Program Memory and Integrated Charge Pump - WQFN  LED drivers  Sample & Buy View Design Kits & Evaluation Modules
TPD1E10B06  Single-channel ESD in 0402 package with 10pF capacitance and 6V breakdown  Circuit protection  Sample & Buy View Design Kits & Evaluation Modules
TPS62745  3.3V-10V input, 300mA Ultra Low Iq step-down converter with VSEL and input voltage switch  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CC2650 Download Download
Download Download
Download Download
CSD25310Q2 WSON (DQK)| 6 Download
DRV8833 Download
Download Download
Download Download
LP55231 Download
TPD1E10B06 Download Download
TPS62745 Download Download

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Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 6376 19 Jun 2016
Design files (6)
Title Type Size (KB) Date
ZIP 1079 19 Jun 2017
ZIP 892 19 Jun 2017
PDF 1191 19 Jun 2017
PDF 144 19 Jun 2017
PDF 70 19 Jun 2017
PDF 299 19 Jun 2017
Related Tools & Software

Reference Designs  ( 1 )

Name Part Number Tool Type
Smart Lock Reference Design Enabling 5+ Years Battery Life on 4x AA Batteries  TIDA-00757  TI Designs

Software (1)



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