71M6545HT Datasheet | Maxim Integrated

71M6545T/71M6545HT EVALUATION KIT AVAILABLE Energy Meter ICs General Description 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 ponent 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 putation engine (CE) for core metrology functions, as well as a user-programmable 8051-patible 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 devices integrate an RTC, DIO, and UART. A plete 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 e in a 64-pin lead(Pb)-free package. Applications - Three-Phase Residential, mercial, and Industrial Energy Meters Ordering Information and Typical Operating Circuit appear at end of data sheet. Benefits and Features - So C 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 pensation (±10º) - Independent 32-Bit pute Engine - 64KB Flash, 5KB RAM - Built-In Flash Security - SPI Interface to Host with Flash Program Capability - Up to Four Pulse Outputs with Pulse Count - 8-Bit MPU (80515), Up to 5 MIPS...