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TIDM-3OUTSMTSTRP

Three Output Smart Power Strip Reference Design

Design files

TIDM-3OUTSMTSTRP

Design files

Overview

This design implements a high accuracy single phase embedded metering smart power strip application using an MSP430 MCU. Built to support of measuring AC voltage, current, active power, reactive power, apparent power, frequency, power factor with 3 socket measured individually. Additional hardware is added to provide futher development like relay control, and wired/wireless communication.

Features
  • Measures AC frequency, RMS voltage, RMS current
  • Measures P active, P reactive, P apparent, power factor in better than 0.5% accuracy
  • Readings update every 8 AC cycles
  • Automatic reporting measurements to UART
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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-3OUTSMTSTRP
TIDU453.PDF (15059 K)

Reference design overview and verified performance test data

download Schematic — TIDM-3OUTSMTSTRP
TIDRAC3.ZIP (454 K)

Detailed schematic diagram for design layout and components

download Bill of materials (BOM) — TIDM-3OUTSMTSTRP
TIDRAC2.ZIP (215 K)

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

download Assembly drawing — TIDM-3OUTSMTSTRP
TIDRAB9.ZIP (590 K)

Detailed overview of design layout for component placement

download CAD/CAE symbol — TIDM-3OUTSMTSTRP
TIDRAC0.ZIP (847 K)

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

download Gerber file — TIDM-3OUTSMTSTRP
TIDC595.ZIP (330 K)

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

download PCB layout — TIDM-3OUTSMTSTRP
TIDRAC1.ZIP (217 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

MSP430 microcontrollers

MSP430I2020 — 16 MHz metering AFE with 2 24-bit sigma-delta ADCs, 2 16-bit timers, 16KB Flash, 1KB RAM

Data sheet: PDF | HTML
MSP430 microcontrollers

MSP430I2021 — 16-MHz metering AFE with 2 24-bit sigma-delta ADCs, 2 16-bit timers, 32KB Flash, 2KB RAM

Data sheet: PDF | HTML
MSP430 microcontrollers

MSP430I2030 — 16-MHz metering AFE with 3 24-bit sigma-delta ADCs, 2 16-bit timers, 16KB Flash, 1KB RAM

Data sheet: PDF | HTML
MSP430 microcontrollers

MSP430I2031 — 16-MHz metering AFE with 3 24-bit sigma-delta ADCs, 2 16-bit timers, 32KB Flash, 2KB RAM

Data sheet: PDF | HTML
MSP430 microcontrollers

MSP430I2040 — 16-MHz metering AFE with 4 24-bit sigma-delta ADCs, 2 16-bit timers, 16KB Flash, 1KB RAM

Data sheet: PDF | HTML
MSP430 microcontrollers

MSP430I2041 — 16-MHz metering AFE with 4 24-bit sigma-delta ADCs, 2 16-bit timers, 32KB Flash, 2KB RAM

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

TPS770 — 50-mA, 10-V, low-IQ, low-dropout voltage regulator

Data sheet: PDF
Low-side switches

ULN2003LV — 50-V, 7-ch NMOS array low-side driver

Data sheet: PDF | HTML

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Software

Technical documentation

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* Design guide Three-Outlet Smart Power Strip Design Guide Jul. 23, 2014

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