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Maxim产品 - 71M6545HT介绍

71M6545HT - Energy Meter ICs

71M6545HT是Maxim美信半导体公司的一款电能测量与计量SoC产品，71M6545HT是Energy Meter ICs，本站介绍了71M6545HT的封装应用图解、特点和优点、功能等，并给出了与71M6545HT相关的Maxim元器件型号供参考。

71M6545HT - Energy Meter ICs - 电能测量与计量SoC - Smart Meter AFE Based on Maxim's Fourth-Generation Metering Architecture - 美信半导体

产品概述

The 71M6545T/71M6545HT metrology processors are based on Maxim Integrated’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 71M6545T/71M6545HT 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 64KB flash and 5KB RAM.

An external host processor can access metrology functions directly 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 devicesintegrate 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.

The 71M6545T/71M6545HT operate over the industrial temperature range and come in a 64-pin lead(Pb)-free package.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • SoC Integration and Unique Isolation Technique Reduces BOM Cost Without Sacrificing Performance
  • 0.1% Typical Accuracy Over 2000:1 CurrentRange
  • Exceeds IEC 62053/ANSI C12.20 Standards
  • Four-Quadrant Metering
  • 46-64Hz Line Frequency Range with the SameCalibration
  • Phase Compensation (±10°)
  • Independent 32-Bit Compute Engine
  • 64KB Flash, 5KB RAM
  • Built-In Flash Security
  • SPI Interface to Host with Flash ProgramCapability
  • Up to Four Pulse Outputs with Pulse Count
  • 8-Bit MPU (80515), Up to 5 MIPS (Optional Use)
  • Full-Speed MPU Clock in Brownout Mode
  • Up to 29 Multifunction DIO Pins
  • Hardware Watchdog Timer (WDT)
  • UART for AMR or Other Communication Duties
  • I2C/MICROWIRE®EEPROM Interface
  • Innovative Isolation Technology (Requires Companion 71M6xxx Sensor, also from Maxim Integrated) Eliminates Current Transformers
  • Four Current Sensor Inputs with SelectableDifferential Mode
  • Selectable Gain of 1 or 8 for One Current Input toSupport Neutral Current Shunt
  • High-Speed Wh/VARh Pulse Outputs withProgrammable Width
  • Digital Temperature Compensation Improves System Performance
  • Metrology Compensation
  • Accurate RTC for TOU Functions with AutomaticTemperature Compensation for Crystal in All Power Modes
  • Power Management Extends Battery Life During Power Outages
  • Two Battery-Backup Modes:
  • Brownout Mode (BRN)
  • Sleep Mode (SLP)
  • Wake-Up on Pin Events and Wake-On Timer
  • 1µA in Sleep Mode
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