Three Phase AC Voltage and Current Transducer with Isolated DC Analog Outputs Reference Design

(ACTIVE) TIDA-00454

Description & Features

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Key Document

Description

The TIDA-00454 TI design demonstrates using the MSP430F67791A device to accurately measure voltages and currents.

This design also demonstrates using two DC analog output channels, which are capable of being individually configured for voltage output (±10 V) or current output (±24 mA).
The design has six digital outputs that can be used to drive relays. The functionality of the design can be extended to measure power.

The advantages of this design is that it is a complete system for measuring voltages and currents and providing a DC analog output proportional to the AC inputs.
Another advantage of this design is the bidirectional DC analog output.

Features
  • MSP430F67791A System-on-Chip (SOC) with 6 simultaneous Delta-Sigma ADCs for 3 currents and Voltages measurement
  • Dual-Output 16-Bit DAC8563 ,  XTR300 and ISO7341FC based. Programmable DC Voltage or Current output; ±10-V DC or ±24 mA; Unidirectional or Bidirectional
  • Digital Outputs – Six Open Collector Outputs for Driving Relays, Pulse and provided as open collector
  • Voltage Measurement Range: 10% to 120% of Rated Voltage (230V)
  • Current Measurement Range: 5% to 200% of Rated current (5A)
  • On board Current transformer and Potential divider provided for direct measurement of Voltages and currents

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Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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TI Devices (7)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD17571Q2  30V N-Channel NexFET Power MOSFETs, CSD17571Q2  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
DAC8563  16-Bit, Dual, Low Power, Ultra-low Glitch, Buffered Voltage Output DAC with 2.5V, 4ppm/°C Reference  Digital-to-analog converters (DACs)  Sample & Buy Not Available
ISO7341FC  Robust EMC, Low Power, Quad-Channel 3/1 Digital Isolator, Fail-Safe Low  Isolation  Sample & Buy View Design Kits & Evaluation Modules
MSP430F67661A  MSP430F67661A Mixed Signal Microcontroller  MSP430 ultra-low-power MCUs  Not Available View Design Kits & Evaluation Modules
TPL7407L  40V, 7-Channel NMOS Array, Low Side Driver  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TPS7A4201  28V Input, 50mA, Single Output Low-Dropout Linear Regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules
XTR300  Industrial Analog Current/Voltage Output Driver  Special function amplifiers  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD17571Q2 WSON (DQK)| 6 Download Download
DAC8563 Download Download
Download -
ISO7341FC Download Download
MSP430F67661A Download
TPL7407L Download
Download
TPS7A4201 Download Download
XTR300 Download -
Download Download

Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.

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Step 2: Download the Symbol and Footprint from the CAD.bxl file table.


Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 2737 20 Apr 2018 57
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 1514 02 Oct 2015 24
ZIP 2413 02 Oct 2015 16
PDF 4075 02 Oct 2015 18
ZIP 289 02 Oct 2015 18
PDF 252 02 Oct 2015 18
PDF 1053 02 Oct 2015 47
Related Tools & Software

Software (2)



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