Polyphase Metering SoCs
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MSP430F67791A, MSP430F67781A, MSP...
Description
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MSP430F67791A, MSP430F67781A, MSP430F67771A, MSP430F67761A, MSP430F67751A MSP430F67691A, MSP430F67681A, MSP430F67671A, MSP430F67661A, MSP430F67651A MSP430F67491A, MSP430F67481A, MSP430F67471A, MSP430F67461A, MSP430F67451A
SLAS983A – MAY 2014 – REVISED SEPTEMBER 2018
MSP430F677x1A, MSP430F676x1A, MSP430F674x1A Polyphase Metering SoCs
1 Device Overview
1.1 Features
1
Accuracy < 0.1% Over 2000:1 Dynamic Range for Phase Current
Meets or Exceeds ANSI C12.20 and IEC 62053 Standards
Support for Multiple Sensors Such as Current Transformers, Rogowski Coils, or Shunts
Power Measurement for up to Three Phases Plus Neutral
Dedicated Pulse Output Pins for Active and Reactive Energy for Calibration
4-Quadrant Measurement per Phase or Cumulative
Exact Phase-Angle Measurements Digital Phase Correction for Current Transformers Temperature-Compensated Energy Measurements 40-Hz to 70-Hz Line Frequency Range Using
Single Calibration Flexible Power Supply Options With Automatic
Switching Display Operates at Very Low Power During AC
Mains Failure: 3 µA in LPM3 LCD Driver With Contrast Control for up to 320
Segments Password-Protected Real-Time Clock (RTC) With
Tamper Detection, Crystal Offset Calibration, and Temperature Compensation Integrated Security Modules to Support Anti‑Tamper Multiple Communication Interfaces for Smart Meter Implementations High-Performance Analog – ...
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