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MSP430F6745A

Texas Instruments
Part Number MSP430F6745A
Manufacturer Texas Instruments
Description Polyphase Metering SoCs
Published Mar 11, 2020
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community MSP430F6779A, MSP430F6778A, MSP43...
Datasheet PDF File MSP430F6745A PDF File

MSP430F6745A
MSP430F6745A

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community MSP430F6779A, MSP430F6778A, MSP430F6777A, MSP430F6776A, MSP430F6775A MSP430F6769A, MSP430F6768A, MSP430F6767A, MSP430F6766A, MSP430F6765A MSP430F6749A, MSP430F6748A, MSP430F6747A, MSP430F6746A, MSP430F6745A SLAS982A – MAY 2014 – REVISED SEPTEMBER 2018 MSP430F677xA, MSP430F676xA, MSP430F674xA 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 and Encryption • Multiple Communication Interfaces for Smart Meter Implementations • High-Performance Analog – Up to Seven Independent 24-Bit Sigma-Delta ADCs With Differential Inputs and Variable Gain – 10-Bit 200-ksps SAR ADC With Six External Channels and Two Internal Channels, Including Supply and Temperature Sensor Measurement 1.
2 Applications • 3-Phase Electronic Watt-Hour Meters • Utility Metering • Highly Integrated Digital – Three-Channel Direct Memory Access (DMA) Controller – Integrated Hardware AES-128 Module for Encryption – 16-Bit Cyclic Redundancy Check (CRC) Module – Four 16-Bit Timers With...


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