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71M6541FT Datasheet Energy Meter

Manufacturer: Silergy

Overview: 71M6541DT/71M6541FT/71M6541GT/ 71M6542FT/71M6542GT Energy Meter ICs.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The 71M6541DT/71M6541FT/71M6541GT/71M6542FT/ 71M6542GT (71M654xT) are 4th-generation singlephase metering systems-on-chips (SoCs) with a 5MHz, 8051-patible MPU core, low-power RTC with digital temperature pensation, flash memory, and LCD driver.

Our Single Converter Technology® with a 22-bit deltasigma ADC, three or four analog inputs, digital temperature pensation, precision voltage reference, and a 32-bit putation engine (CE) support a wide range of metering applications with very few external ponents.

The 71M654xT devices support optional interfaces to the 71M6x01 series of isolated sensors offering BOM cost reduction, immunity to magnetic tamper, and enhanced reliability.

Key Features

  • include an SPI interface, advanced power management, ultra-low-power operation in active and battery modes, 3KB/5KB shared RAM, and 32KB/64KB/128KB flash memory that can be programmed 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, demonstration code, and ref.

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