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Metering

Atmel's family of ICs for smart power meters feature the widest dynamic range in the industry as well as extremely high accuracy, helping to improve the performance of smart meters. The chips feature a dynamic range of 6000:1. This allows manufacturers to merge various types of meters currently available, such as 5(20)A, 10(40)A, 15(60)A and 20(80)A, into one standard model [5(100)A or 1(100)A]. Atmel® ICs will simplify the manufacturing process and reducing overall bill of materials.

Key Features

  • Single and poly-phase solutions up to class 0.2 accuracy.
  • 6000:1 dynamic range improves performance and reduces OEM's overall cost of manufacturing and bill of materials.
  • Compliant with IEC62052-11, IEC62053-22/23, ANSI C12.1, C12.20.
  • Best-in-class temperature coefficient in the industry for this type of device.

Devices

Device Family Summary Benefit Applications Technologies Key Parameters

Hardware Metrology AFE

Up to class 0.2 accuracy

Best-in-class temperature coefficient

Best-in-class dynamic range (up to 6000:1)

Energy meters

Power monitoring instruments

Accuracy of ±0.1% for active energy and ±0.2% for reactive energy over a dynamic range of 6000:1

High stability on-chip reference voltage with best-in-class temperature coefficient

Dynamic Range: 6000:1

Temperature Coefficient (ppm/°C): 6

Active Energy Accuracy: 0.1 %

Reactive Energy Accuracy: 0.2 %

SAM4Cx: dual high performance 32-bit ARM Cortex-M4 core with maximum speed of 120 MHz, up to 2Mbyte of embedded Flash, 304 Kbytes of SRAM, and advanced security

ATSENSE: Analog Front End (AFE) devices with up to 7 channels of high-precision sigma-delta ADCs with a 16ksps sample rate, a highly accurate, integrated Vref with 10 ppm/°C temperature stability, programmable current signal amplification, a temperature sensor and an SPI interface.

Electricity Meters

Gas and Water Meters

Data Concentrators

In-Home Display Units

High performance 32-bit, dual core ARM® Cortex®-M4 processor

Embedded cryptographic engine and dedicated 128-bit Advanced Encryption Standard (AES) hardware block

Dual 32-bit ARM Cortex-M4

Maximum speed of 120 MHz

Up to 2 Mbytes of Flash

Up to 304 Kbytes of SRAM

Advanced cryptographic engine

USB Full-speed Host/Device port

Up to 5 USARTs, 2 UARTs

50 × 6 segmented LCD controller

System-on-chip for metering applications up to class 0.2 metrology accuracy over a dynamic range of 3000:1

Firmware metrology enabled device offer an unprecedented level of integration and flexibility with dual 32-bit ARM Cortex-M4 cores providing maximum speed of 120 MHz each, 2Mbytes of embedded Flash, 304 Kbytes of SRAM

Electricity Meters

Data Concentrators

In-Home Display Units

High performance 32-bit, dual core ARM® Cortex®-M4 processor

Embedded cryptographic engine and dedicated 128-bit Advanced Encryption Standard (AES) hardware block

Highly accurate, integrated Vref with 10 ppm/°C temperature stability

Proven firmware metrology library

Dual 32-bit ARM Cortex-M4

Maximum speed 120 MHz

Up to 2 Mbytes of Flash

Up to 304 Kbytes of SRAM

Advanced cryptographic engine

Up to 4 USARTs, 2 UARTs

38 × 6 segmented LCD controller

4/7 channels of sigma-delta ADCs