71M6543HT-IGTSLASHF datasheet(1/75 Pages) MAXIM

部件名	71M6543HT-IGT/F

功能描述	Energy Meter ICs

PDF	75 Pages

Scroll/Zoom	100%

制造商	MAXIM [Maxim Integrated Products]

网页	https://www.maximintegrated.com/en.html

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71M6543FT/71M6543HT/

71M6543GT/71M6543GHT

Energy Meter ICs

General Description

The 71M6543FT/71M6543HT/71M6543GT/71M6543GHT

(71M654xT) are 4th-generation three-phase metering

systems-on-chips (SoCs) with a 5MHz, 8051-compat-

ible MPU core, low-power RTC with digital temperature

compensation, flash memory, and LCD driver. Our Single

Converter Technology® with a 22-bit delta-sigma ADC,

seven analog inputs, digital temperature compensation,

precision voltage reference, and a 32-bit computation

engine (CE) support a wide range of metering applications

with very few external components.

The 71M654xT devices support optional interfaces to the

Maxim Integrated 71M6x03 series of isolated sensors

offering BOM cost reduction, immunity to magnetic tam-

per, and enhanced reliability. Other features include an

SPI interface, advanced power management, ultra-low-

power operation in active and battery modes, 5KB shared

RAM, and 64KB/128KB flash memory that can be pro-

grammed in the field with code and/or data during meter

operation and the ability to drive up to six LCD segments

per SEG driver pin. High processing and sampling rates

combined with differential inputs offer a powerful platform

for residential meters.

A complete array of code development tools, demonstra-

tion code, and reference designs enable rapid develop-

ment and certification of meters that meet all ANSI and

IEC electricity metering standards worldwide.

The 71M654xT family operates over the industrial tem-

perature range and comes in a 100-pin lead(Pb)-free

LQFP package.

Applications

● Three-PhaseResidential,Commercial,andIndustrial

Energy Meters

Benefits and Features

● SoCIntegrationandUniqueIsolationTechnique

Reduces BOM Cost Without Sacrificing Performance

• 0.1% Typical Accuracy Over 2000:1 Current

Range

• Exceeds IEC 62053/ANSI C12.20 Standards

• Four-Quadrant Metering

• 46-64HzLineFrequencyRangewiththeSame

Calibration

• Phase Compensation (±10º)

• Independent 32-Bit Compute Engine

• 64KB Flash, 5KB RAM (71M6543FT/71M6543HT)

• 128KB Flash, 5KB RAM (71M6543GT/71M6543GHT)

• Built-In Flash Security

• SPI Interface with Flash Program Capability

• Up to Four Pulse Outputs with Pulse Count

• 8-Bit MPU (80515), Up to 5 MIPS

• Full-Speed MPU Clock in Brownout Mode

• LCD Driver Allows Up to 6 Commons/Up to

56 Pins

• Up to 51 Multifunction DIO Pins

• Hardware Watchdog Timer (WDT)

• Two UARTs for IR and AMR

• IR LED Driver with Modulation

• I2C/MICROWIRE® EEPROM Interface

● InnovativeIsolationTechnology(Requires

Companion 71M6xxx Sensor, also from Maxim

Integrated) Eliminates Current Transformers

• Four Current Sensor Inputs with Selectable

Differential Mode

• Selectable Gain of 1 or 8 for One Current Input to

Support Neutral Current Shunt

• High-Speed Wh/VARh Pulse Outputs with

Programmable Width

● DigitalTemperatureCompensationImprovesSystem

Performance

• Metrology Compensation

• Accurate RTC for TOU Functions with Automatic

Temperature Compensation for Crystal in All

Power Modes

● PowerManagementExtendsBatteryLifeDuring

Power Outages

• Three Battery-Backup Modes

- Brownout Mode (BRN)

- LCD Mode (LCD)

- Sleep Mode (SLP)

• Wake-Up on Pin Events and Wake-On Timer

• 1µA in Sleep Mode

19-6720; Rev 7; 12/15

Ordering Information and Typical Operating Circuit appear

at end of data sheet.

Single Converter Technology is a registered trademark of

Maxim Integrated Products, Inc.

MICROWIRE is a registered trademark of National

Semiconductor Corp.

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