78M6631集成電路（IC）的電能計量規(guī)格書PDF中文資料

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.

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 Power Factor Calculations

??? o Phase Compensation (?18? at 60 Hz)

??? o Built-In Calibration Routines

??? o Programmable Alarm Thresholds

??? o Command Line (UART) Communications

??? o High-Speed SPI Communications