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71M6542G

Maxim Integrated
Part Number 71M6542G
Manufacturer Maxim Integrated
Description Energy Meter
Published May 24, 2020
Detailed Description 71M6541D/F/G and 71M6542F/G Energy Meter ICs GENERAL DESCRIPTION BENEFITS AND FEATURES The 71M6541D/71M6541F/71M6541G...
Datasheet PDF File 71M6542G PDF File

71M6542G
71M6542G

Overview
71M6541D/F/G and 71M6542F/G Energy Meter ICs GENERAL DESCRIPTION BENEFITS AND FEATURES The 71M6541D/71M6541F/71M6541G/71M6542F/71M6542G (71M654x) are 4th-generation single-phase metering SoCs with a 5MHz 8051compatible MPU core, low-power RTC with digital temperature compensation, flash memory, and LCD driver.
Our Single Converter Technology® with a 22-bit delta-sigma ADC, three or four analog inputs, digital temperature compensation, precision voltage reference, and a 32-bit computation engine (CE) supports a wide range of metering applications with very few external components.
The 71M6541/2 devices support optional interfaces to the 71M6x01 series of isolated sensors, which offer BOM cost reduction, immunity to magnetic tamper, and enhanced reliability.
Other features include an SPI interface, advanced power management, ultra-low-power operation in active and battery modes, 3/5KB shared RAM and 32/64/128KB of 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 metering platform for residential meters.
A complete array of code development tools, demonstration code, and reference designs enable rapid development and certification of meters that meet all ANSI and IEC electricity metering standards worldwide.
The 71M654x family operates over the industrial temperature range and comes in 64-pin (71M6541D/F/G) and 100-pin (71M6542F/G) lead(Pb)-free LQFP packages.
• Shunt NEUTRAL LINE Shunt LOAD Note: This system is referenced to LINE NEUTRAL LINE POWER SUPPLY • Resistor Divider LINE 71M6xx1 Pulse Transformer AMR IR HOST MUX and ADC V3P3A V3P3SYS GNDA GNDD IAP PWR MODE IAN CONTROL WAKE-UP 71M6541D/F/G REGULATOR VBAT VA VBAT_RTC IBP TEMPERATURE BATTERY IBN SENSOR MONITOR VREF SERIAL PORTS TX RX MODUL- RX ATOR TX POWER FAULT COMPARATOR SPI INTERFACE RAM COM...


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