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78M6631

Silergy
Part Number 78M6631
Manufacturer Silergy
Description 3-Phase PowerMeasurement
Published May 25, 2020
Detailed Description Rev 3; 4/16 78M6631 3-Phase PowerMeasurement IC DATA SHEET DESCRIPTION The Teridian™ 78M6631 is a highly integrated 3-...
Datasheet PDF File 78M6631 PDF File

78M6631
78M6631

Overview
Rev 3; 4/16 78M6631 3-Phase PowerMeasurement IC DATA SHEET DESCRIPTION The Teridian™ 78M6631 is a highly integrated 3-phase power measurement and monitoring system-on-chip (SoC), with a 10 MHz 8051-compatible MPU core and Single Converter Technology® containing a 22-bit deltasigma converter and 32-bit compute engine (CE).
The 78M6631 has been designed specifically for a wide variety of applications requiring 3-phase power and quality measurements.
It supports both Delta and Wye configurations.
At the measurement interface, the device provides six analog inputs including three differential current and three voltage for interfacing to current and voltage sensors.
The device provides better than 0.
5% accuracy over a wide 2000:1 dynamic range.
The integrated MPU core and 128 KB of flash memory provide a flexible means of configuration, post-processing, data formatting, interfacing to host processor via a UART or SPI interface, or using DIO pins for LEDs or relay control.
Complete firmware is available from Silergy and can be loaded into the IC during manufacturing test.
FEATURES  < 0.
5% Watt Accuracy Over 2000:1 Current Range and Over Temperature  Exceeds IEC 62053/ANSI C12.
20 Standards  Voltage Reference < 40 ppm/°C  Six Analog Inputs Supporting 3-Phase Voltage and Current Measurement Inputs  Pin- or Biselectable Delta or Wye Configuration  22-Bit Delta-Sigma ADC with Independent 32- Bit Compute Engine (CE)  8-Bit MPU (80515), One Clock Cycle per Instruction with 4 KB MPU XRAM  128 KB Flash with Security  32 kHz Time Base with Hardware Watchdog Timer  UART, I2C, and High-Speed Slave SPI Host Interface Options  17 General-Purpose 5 V Tolerant I/O Pins  Packaged in a RoHS-Compliant (6/6) Lead(Pb)-Free 56-Pin TQFN  Application Firmware Includes (per Phase): o True RMS Current and Voltage Calculations o Active, Reactive, Apparent, Fundamental, and Harmonic Power Calculations o Fundamental and Harmonic Current and Voltage Calculations o Line Frequency and Po...


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