78M6618-IMR/F Maxim Integrated Products, 78M6618-IMR/F Datasheet

78M6618-IMR/F

Manufacturer Part Number

78M6618-IMR/F

Description

IC PWR MEASUREMENT OCTAL 68-QFN

Manufacturer

Maxim Integrated Products

Datasheet

1.78M6618-IMF.pdf (32 pages)

Specifications of 78M6618-IMR/F

Mounting Style

SMD/SMT

Package / Case

QFN-68

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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Company:

Bonase Electronics (HK) Co., Limited

Part Number:

78M6618-IMR/F

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MURATA

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DS_6618_005

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.

At the measurement interface, the device provides 10 analog

inputs for interfacing to voltage and current sensors. Scaled

voltages from the sensors are fed to our Single Converter

Technology

32-bit compute engine (CE), digital temperature compensation,

and precision voltage references to provide better than 0.5%

accuracy over a wide 2000:1 dynamic range.

The integrated MPU core and 128KB of flash memory provides

a flexible means of configuration, postprocessing, data

formatting, interfacing to host processor through a UART or

SPI™ interface, displaying output data to an LCD, or using

DIO pins for intelligent relay control. Complete firmware for

common applications is available from Teridian and can be

loaded into the IC during manufacturing test. Alternatively, a

complete array of ICE, development tools, and programming

libraries are available to allow customization MPU code for

each application.

Rev. 1.4

A Maxim Integrated Products Brand

that uses a 21-bit delta-sigma ADC, independent

FEATURES

 < 0.5% Wh Accuracy Over Wide 2000:1

 Exceeds IEC 62053/ANSI C12.20 Standards

 Voltage Reference < 40ppm/°C

 10 Sensor Inputs—V3P3 Referenced

 21-Bit Delta-Sigma ADC with Independent

 8-Bit MPU (80515), One Clock Cycle per

 128KB Flash with Security

 Integrated ICE for MPU Debug

 32kHz Time Base with Hardware Watchdog

 UART and



 LCD Driver (Up to 70 Pixels)

 Packaged in a Lead(Pb)-Free/RoHS-Compliant

 Robust Sub-Metering Application Firmware:

Current Range and Over Temperature

32-Bit Compute Engine (CE)

Instruction with 4KB MPU XRAM

Timer

Options

Up to 19 General-Purpose 5V Tolerant I/O Pins

(6/6) 68-Pin QFN

o True RMS Calculations for Current, Voltage,

o Accumulated Watt-Hours, Kilowatt-Hours,

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

o Programmable Alarm Thresholds

o High-Level UART Communication Protocols

o High-Level SPI Communication Protocols

Single Converter Technology is a registered trademark of

Maxim Integrated Products, Inc.

SPI is a trademark of Motorola, Inc.

Line Frequency, Real Power, Reactive

Power, Apparent Power, and Power Factor

and Cost

Calibration

High-Speed Slave SPI Host Interface

Energy Measurement IC

DATA SHEET

Octal Power and

78M6618

March 2011

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