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71M6545H

更新时间： 2024-02-23 12:39:43

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
134页	1808K
描述
Four-Quadrant Metering, Phase Metrology Processors Flash/RAM Size

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71M6545H 技术参数

是否无铅：	含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	QFP
包装说明：	LFQFP,	针数：	64
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.59
JESD-30 代码：	S-PQFP-G64	长度：	10 mm
端子数量：	64	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	LFQFP	封装形状：	SQUARE
封装形式：	FLATPACK, LOW PROFILE, FINE PITCH	峰值回流温度（摄氏度）：	NOT SPECIFIED
认证状态：	Not Qualified	座面最大高度：	1.6 mm
最大供电电压：	3.6 V	最小供电电压：	3 V
标称供电电压：	3.3 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子形式：	GULL WING	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	10 mm	uPs/uCs/外围集成电路类型：	MICROPROCESSOR CIRCUIT
Base Number Matches：	1

71M6545H 数据手册

19-5378; Rev 1.0; 4/11

71M6545/71M6545H

Metrology Processors

A Maxim Integrated Products Brand

DATA SHEET

April 2011

GENERAL DESCRIPTION

FEATURES

• Up to < 0.1% Accuracy Over 2000:1

Current Range

• Exceeds IEC 62053/ANSI C12.20 Standards

• Seven Sensor Inputs with Neutral Current

Measurement, Differential Mode Selectable

for Current Inputs

The 71M6545/71M6545H metrology processors are based on

Teridian’s 4th-generation metering architecture supporting the

71M6xxx series of isolated current sensing products that offer

drastic reduction in component count, immunity to magnetic

tampering, and unparalleled reliability. The 71M6545/71M6545H

integrate our Single Converter Technology® with a 22-bit delta-

sigma ADC, a customizable 32-bit computation engine (CE) for

core metrology functions, as well as a user-programmable 8051-

compatible application processor (MPU) core with up to 64KB

flash and up to 5KB RAM.

• Selectable Gain of 1 or 8 for One Current

Input to Support Shunts

• High-Speed Wh/VARh Pulse Outputs with

Programmable Width

An external host processor can access metrology functions di-

rectly through the SPI™ interface, or alternatively through the

embedded MPU core in applications requiring metrology data

capture, storage, and preprocessing within the metrology

subsystem. In addition, the devices integrate an RTC, DIO, and

UART. A complete array of ICE and development tools,

programming libraries, and reference designs enable rapid

development and certification of meters that meet all ANSI and

IEC electricity metering standards worldwide.

• Flash/RAM Size

32KB/3KB (71M6545)

64KB/5KB (71M6545H)

• Up to Four Pulse Outputs with Pulse Count

• Four-Quadrant Metering, Phase

Sequencing

• Digital Temperature Compensation

Metrology Compensation

Accurate RTC for TOU Functions with

Automatic Temperature Compensation

for Crystal in All Power Modes

Shunt Resistor Sensors

NEUTRAL

LOAD

• Independent 32-Bit Compute Engine

• 46–64Hz Line Frequency Range with the

Same Calibration

• Phase Compensation (±7°)

• 1µA Supply Current in Sleep Mode

• Flash Security

POWER SUPPLY

This system is referenced to Neutral

NEUTRAL

• In-System Program Update

MUX and ADC

V3P3A V3P3SYS

GNDA GNDD

Pulse Transformers

IADC0

IADC1

}

IN*

PWR MODE

CONTROL

• 8-Bit MPU (80515), Up to 5 MIPS, for

Optional Implementation of Postprocessing

and Host Support Functions (Optional Use)

VADC10 (VC)

IADC6

}

TERIDIAN

71M6545/H

IADC7

REGULATOR

VADC9 (VB)

IADC4

}

IADC5

VBAT_RTC

VADC8(VA)

RTC

BATTERY

• Up to 29 DIO Pins

BATTERY

MONITOR

IADC2

IADC3

TEMPERATURE

SENSOR

}

• Hardware Watchdog Timer (WDT)

• I²C/MICROWIRE® EEPROM Interface

• SPI Interface for Host:

OSCILLATOR/

VREF

RAM

PLL

XIN

SERIAL PORT

32 kHz

DIO

XOUT

DIO, PULSES,

LEDs

MPU

RTC

TIMERS

Full Access to Shared Memory Space

Flash Program Capability

DIO

FLASH

MEMORY

I²C or µWire

EEPROM

V3P3D

ICE

• UART

SPI_CKI

SPI_DI

SPI_DO

SPI_CSZ

WPULSE

XPULSE

RPULSE

YPULSE

COMPUTE

ENGINE

• Industrial Temperature Range

• 64-Pin Lead(Pb)-Free LQFP Package

SPI INTERFACE

HOST

3.3 VDC

PULSES

XFER_BUSY

SAG

10/7/2010

*IN = Optional Neutral Current

Single Converter Technology is a registered trademark of Maxim Integrated Products, Inc.

SPI is a trademark of Motorola, Inc.

MICROWIRE is a registered trademark of National Semiconductor Corp.

v1.0

12 3 4 5 6 7...134

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