MSP430F6779A Datasheet, PDF (159/176 Pages) Texas Instruments – Polyphase Metering SoCs

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MSP430F6779A, MSP430F6778A, MSP430F6777A, MSP430F6776A, MSP430F6775A
MSP430F6769A, MSP430F6768A, MSP430F6767A, MSP430F6766A, MSP430F6765A
MSP430F6749A, MSP430F6748A, MSP430F6747A, MSP430F6746A, MSP430F6745A
SLAS982 – MAY 2014
7 Applications, Implementation, and Layout
The following resources provide application guidelines and best practices when designing with the
MSP430F677xA, MSP430F676xA, and MSP430F674xA devices.
Implementation of a Three-Phase Electronic Watt-Hour Meter Using the MSP430F677x(A)
(SLAA577)
This application report describes the implementation of a three-phase electronic electricity meter using
the Texas Instruments MSP430F677x(A) metering processors. This application report includes the
necessary information with regard to metrology software and hardware procedures for this single-chip
implementation.
High Accuracy Three-Phase Electricity Meter with Tamper Detection (TIDM-THREEPHASEMETER-
F6779)
The design implements a highly accurate three-phase electric meter system using the MSP430F6779
smart meter SoC. It exceeds all of the requirements for ANSI C12.20 and IEC-62053 Class 0.2 meters.
The F6779 SoC is the most integrated polyphase e-meter SoC with 512KB flash. This allows
developers to create a true single-chip smart e-meter with the highest performance and accuracy. In
addition, this EVM has tamper detection capabilities which assist the engineer’s development of
methods to prevent theft of electricity from utilities.
Features
• Comprehensive design includes schematics, BOMs, design files, and test reports.
• Three-phase electricity meter which exceeds Class 0.2 accuracy requirements from ANSI and IEC
• TI Energy Library firmware calculates all energy measurement parameters including active and
reactive power and energy, RMS current and voltage, power factor, and line frequency.
• Add-on communications modules for wireless communications standards such as ZigBee^®, Wi-Fi^®,
Wireless M-Bus, and IEEE Std 802.15.4g, both 2.4GHz and sub-1GHz
• Built-in 160-segment display powered from three-phase line voltage
Copyright © 2014, Texas Instruments Incorporated
Applications, Implementation, and Layout 159
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MSP430F6769A MSP430F6768A MSP430F6767A MSP430F6766A MSP430F6765A MSP430F6749A
MSP430F6748A MSP430F6747A MSP430F6746A MSP430F6745A