TIDA-00221

Measurement Module for Branch Current Monitor

TIDA-00221

Design files

Overview

This reference design is designed to measure only branch current and is created for accuracy across the  majority of the rated current range while at the same time being cost efficient. This is achieved by using a highly integrated SoC device which has up to 7 channels of the 24bit Delta-Sigma ADCs available for current measurement. This solution also has several options for communication supported. such as UART, JTAG, etc. Applications include load management, sub-panels, etc.

Features
  • Precise current measurement through 7 channels of Delta-Sigma ADCs (< 2% from 10% to 100% of rated current, controlled by CT & burden resistor)
  • Voltage measurement enabled with integrated SAR ADC
  • Extended temperature range operability of -40C to +125C
  • Integrated single chip solution results in a cost and area efficient solution
  • Large MSP Family & Roadmap / Scale performance, features, price
  • Metering library available in source for use on MSPs

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDU417A.PDF (1964 K)

Reference design overview and verified performance test data

TIDRB56.PDF (984 K)

Detailed schematic diagram for design layout and components

TIDRB57.PDF (235 K)

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

TIDRB58.PDF (560 K)

Detailed overview of design layout for component placement

TIDRB60.ZIP (2103 K)

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

TIDC693.ZIP (475 K)

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

TIDRB59.PDF (2022 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

MSP430 microcontrollers

MSP430F6779Polyphase metering SoC with 7 Sigma-Delta ADCs, LCD, real-time clock, AES, 512KB Flash, 32KB RAM

Data sheet document-pdfAcrobat PDF open-in-new HTML
N-channel MOSFETs

CSD17571Q230-V, N channel NexFET™ power MOSFET, single SON 2 mm x 2 mm, 29 mOhm

Data sheet document-pdfAcrobat PDF open-in-new HTML

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Software

Driver or library

TIDA-00221 Energy Library BCM Software — TIDC879.ZIP (19460 K)

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Technical documentation

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Type Title Date
* Design guide Measurement Module for Branch Current Monitor (TIDA-00221) (Rev. A) Oct. 14, 2014
Technical article Tripping point: server power protection using branch circuit monitors May 09, 2016
Technical article Working towards a smarter grid at DistribuTECH 2015! Feb. 11, 2015

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