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78M6618-IMR Datasheet

Part NameDescriptionManufacturer
78M6618-IMR Octal Power and Energy Measurement IC TERIDIAN
Teridian Semiconductor Corporation TERIDIAN
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DESCRIPTION
The Teridian 78M6618 is a highly integrated IC for independent monitoring and measurement of up to eight single-phase AC outlets. With multiple host interface options, an integrated LCD driver, and configurable I/Os, the device is ideal for metered power distribution units (PDUs) and rack enclosures for the data center, as well as intelligent power strips and subpanels in the grid-friendly digital home.
   
FEATURES
● < 0.5% Wh Accuracy Over Wide 2000:1
    Current Range and Over Temperature
● Exceeds IEC 62053/ANSI C12.20 Standards
● Voltage Reference < 40ppm/°C
● 10 Sensor Inputs—V3P3 Referenced
● 21-Bit Delta-Sigma ADC with Independent
    32-Bit Compute Engine (CE)
● 8-Bit MPU (80515), One Clock Cycle per
    Instruction with 4KB MPU XRAM
● 128KB Flash with Security
● Integrated ICE for MPU Debug
● 32kHz Time Base with Hardware Watchdog
    Timer
● UART and High-Speed Slave SPI Host Interface
    Options
● Up to 19 General-Purpose 5V Tolerant I/O Pins
● LCD Driver (Up to 70 Pixels)
● Packaged in a Lead(Pb)-Free/RoHS-Compliant
    (6/6) 68-Pin QFN
● Robust Sub-Metering Application Firmware:
    o True RMS Calculations for Current, Voltage,
        Line Frequency, Real Power, Reactive
        Power, Apparent Power, and Power Factor
    o Accumulated Watt-Hours, Kilowatt-Hours,
        and Cost
    o Intelligent Switch Control at Zero Crossings
    o Digital Temperature Compensation
    o Phase Compensation (15)
    o Quick Calibration Routines
    o 46-64Hz Line Frequency Range with Same
        Calibration
    o Programmable Alarm Thresholds
    o High-Level UART Communication Protocols
    o High-Level SPI Communication Protocols
   

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