Part 71M6545T
Description Energy Meter
Manufacturer Maxim Integrated
Size 1.93 MB
Maxim Integrated
71M6545T

Overview

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.

  • SoC Integration and Unique Isolation Technique 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
  • 46-64Hz Line Frequency Range with the Same Calibration
  • Phase Compensation (±10º)
  • Independent 32-Bit Compute Engine
  • 64KB Flash, 5KB RAM
  • Built-In Flash Security
  • SPI Interface to Host with Flash Program Capability