71M6543FT-IGTR/F The 71M6543FT-IGTR/F is a 4th-generation three-phase energy meter IC from Analog Devices / Maxim Integrated. It features a 5MHz MPU core, 64KB flash memory, and a 100-pin LQFP package.
Mfr Part #:

71M6543FT-IGTR/F

Available from 2 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The 71M6543FT-IGTR/F is a 4th-generation three-phase energy meter IC from Analog Devices / Maxim Integrated. It features a 5MHz MPU core, 64KB flash memory, and a 100-pin LQFP package.
✓ Total Stock: 1,256 pcs
$ Price Range: $0.75

71M6543FT-IGTR/F Available from 2 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
628 pcs
628 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
628 pcs
628 pcs On Request 1 On Request On Request 1633+ On Request On Request

71M6543FT-IGTR/F Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Measurement Error
Meter Type
Mounting Type
Operating Temperature
Supplier Device Package
Voltage

71M6543FT-IGTR/F Description

Short technical summary and product information.

The 71M6543FT-IGTR/F is a three-phase energy meter system-on-chip (SoC) designed for residential, commercial, and industrial applications. It integrates an 8051-compatible MPU core, low-power RTC with digital temperature compensation, flash memory, and an LCD driver.

 

This device boasts a 22-bit delta-sigma ADC and a 32-bit computation engine, supporting a wide range of metering applications with minimal external components. Key electrical specifications include 0.1% typical accuracy over a 2000:1 current range, four-quadrant metering, and a 46-64Hz line frequency range with the same calibration. It offers 64KB of flash memory and 5KB of RAM.

 

The 71M6543FT-IGTR/F operates over an industrial temperature range of -40°C to 85°C and is housed in a 100-pin lead-free LQFP package suitable for surface mounting.

 

Designed to meet IEC 62053 and ANSI C12.20 standards, this IC provides advanced features like SPI interface with flash program capability, multiple pulse outputs, UARTs for IR and AMR, and an I2C/MICROWIRE EEPROM interface.

71M6543FT-IGTR/F Quick Information

Product Type: Energy Meter IC
Canonical Name: 71M6543FT-IGTR/F Energy Meter IC
Subcategory: Metering

71M6543FT-IGTR/F Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

71M6543FT-IGTR/F Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

71M6543FT-IGTR/F Features

  • Integrated 3-phase energy meter SoC.
  • 0.1% typical accuracy over 2000:1 range.
  • 64KB flash memory and 5KB RAM.
  • Operates from -40°C to 85°C.
  • 100-pin LQFP surface mount package.

71M6543FT-IGTR/F Applications

  • Ideal for residential energy meters.
  • Suitable for commercial energy meters.
  • Designed for industrial energy meters.
  • Supports four-quadrant metering.

71M6543FT-IGTR/F FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the 71M6543FT-IGTR/F?

2V.

What is the package type of the 71M6543FT-IGTR/F?

100-LQFP (14x14 mm) surface mount.

What is the operating temperature range of the 71M6543FT-IGTR/F?

-40°C to 85°C.

What is the accuracy of the 71M6543FT-IGTR/F?

0.1% typical accuracy over 2000:1 current range.

What is the ADC resolution of the 71M6543FT-IGTR/F?

22-bit delta-sigma ADC.

What processor core does the 71M6543FT-IGTR/F use?

8051-compatible MPU core.

How much flash memory does the 71M6543FT-IGTR/F have?

64KB flash memory.

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