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Our 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. These solutions enable you to merge various types of meters, 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]. Our ICs will simplify the manufacturing process and reduce your 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 overall cost of manufacturing and bill of materials
  • Compliant with IEC 62052-11, IEC 62053-22/23, ANSI C12.1, C12.20
  • Best-in-class temperature coefficient in the industry for this type of device

Product Categories


Metering Analog Front Ends (AFEs)


Our M90Exx AFEs are high-performance, wide-span hardware metrology chips. Their Analog-to-Digital Converter (ADC) and Digital Signal Processing (DSP) technology ensure long-term stability over variations in grid and ambient environmental conditions. Their best-in-class dynamic range (up to 6000:1) will improve performance, reduce manufacturing costs and help achieve higher certification scores.

Product Features 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%

Dual-Core Microcontrollers (MCUs) and Companion Analog Front Ends (AFEs)


At the core of our smart energy platform is the SAM4C series of MCUs. The SAM4C4/8/16/32 are built around a dual high-performance 32-bit Arm® Cortex®-M4 core with a maximum speed of 120 MHz, up to 2 MB of embedded Flash, 304 KB of SRAM and advanced security features. This architecture allows for integration of application layer, communications layers and metrology functions in a single device. This modular approach is sure to meet a variety of design needs.

The ATSENSE-301, ATSENSE-201 and ATSENSE-101 are AFE devices targeting metrology applications. They feature up to seven channels of high-precision sigma-delta ADCs with a 16 ksps sample rate, a highly accurate, integrated Vref with 10 ppm/°C temperature stability, programmable current signal amplification, a temperature sensor and an SPI interface

Product Features Applications Technologies Key Parameters
SAM4Cx: dual high-performance 32-bit Arm® Cortex®-M4 core with maximum speed of 120 MHz, up to 2 MB of embedded Flash, 304 KB of SRAM, and advanced security

ATSENSE: Analog Front End (AFE) devices with up to seven channels of high-precision sigma-delta ADCs with a 16 ksps 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 MB of Flash

Up to 304 KB of SRAM

Advanced cryptographic engine

USB Full-speed Host/Device port

Up to five USARTs, two UARTs

50 × 6 segmented LCD controller

Dual-Core Metering System-on-Chip (SoC) Solutions


The SAM4CMx4/8/16/32 SoC solutions integrate our software metrology and are based on the dual Arm® Cortex®-M4 architecture for smart energy platforms, providing a maximum speed of 120 MHz for each core, 2 MB of embedded Flash and 304 KB of SRAM.

Our software metrology provides an unprecedented level of performance, scalability and flexibility to support the integration of proprietary advanced metrology and signal processing algorithms. Our standard library can be used to create residential, commercial and industrial meter designs with up to class 0.2 accuracy and a dynamic range of 3000:1. This library also supports shunt, current transformer and Rogowski coil current sensing and is compliant with IEC 62052-11, 62053-22/23, ANSI C12.1, C12.20 and MID.

Product Features Applications Technologies Key Parameters
SoC for metering applications up to class 0.2 metrology accuracy over a dynamic range of 3000:1|

Firmware metrology enabled device offers an unprecedented level of integration and flexibility with dual 32-bit Arm® Cortex®-M4 cores providing maximum speed of 120 MHz each, 2 MB of embedded Flash, 304 KB 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 MB of Flash

Up to 304 KB of SRAM

Advanced cryptographic engine

Up to four USARTs, two UARTs

38 × 6 segmented LCD controller

4/7 channels of sigma-delta ADCs

Documentation


Data Sheets


Title Download
ATSENSE101/201(H)/301(H) - Complete Data Sheet Download
ATSAM4CM Series - Complete Data Sheet Download
ATSAM4C Series - Complete Data Sheet Download
ATM90E36A - Complete Data Sheet Download
ATM90E32AS Data Sheet Download
ATM90E26 Data Sheet Download

Evaluation Kits


Title
Description 

ATM90E2x Demo Board 

ATM90E2x Single-Phase Energy Metering Demo Board 

ATM90E32AS Demo Board 

ATM90E32AS Poly-Phase Energy Metering Demo Board 
ATM90E36A Demo Board 
ATM90E36A Poly-Phase Energy Metering Demo Board
ATSAM4C32 Evaluation Kit 
The SAM4C32 Evaluation Kit is ideal for getting started using the Dual Cortex M4 architecture.
ATSAM4C-EK Evaluation Kit for the SAM4C 
ATSAM4C-EK Evaluation Kit for the SAM4C
ATSAM4CMP Demo Board 
ATSAM4CMP Poly-Phase Smart Meter Demonstration Board
ATSAM4CMP32 Demo Board 
ATSAM4CMP32 Poly-Phase Smart Meter Demonstration Board
ATSAM4CMS Demo Board 
ATSAM4CMS Single-phase Smart Meter Demonstration Board
ATSAM4CMS32 Demo Board 
ATSAM4CMS32 Single-Phase Smart Meter Demonstration Board 

Metering Products


View All Parametrics
Product Status 5K Pricing Timers Dynamic Range Temperature Range (deg C) PWM Channels SPI Operating Voltage (Vcc) I2C Energy Metering Analog Front-End Crypto Engine Segment LCD Anti-Tampering Inputs Temp Coefficient Type (ppm/degC) Reactive Energy Accy (%) USB Interface Flash (kBytes) Active Energy Accy (%) ADC Resolution (bits) Max I/O Pins UART External Bus Interface SRAM (kBytes) Meter Type ADC Channels USB Speed Packages
ATSAM4CMP16 In Production $5.97 6 3000:1 -40 to 85 3 4 1.62 - 3.6 2 7 Channels AES/CPKCC/ICM(SHA)/TRNG 33x6 1 10 0.2 1024 0.1 10 52 5 8-bit data 152 Three-Phase 6 100/LQFP
ATSAM4CMP32 In Production $7.78 6 3000:1 -40 to 85 3 4 1.62 - 3.6 2 7 Channels AES/CPKCC/ICM(SHA)/TRNG 33x6 1 10 0.2 2048 0.1 10 52 5 8-bit data 304 Three-Phase 6 100/LQFP
ATSAM4CMP8 In Production $5.64 6 3000:1 -40 to 85 3 4 1.62 - 3.6 2 7 Channels AES/CPKCC/ICM(SHA)/TRNG 33x6 1 10 0.2 512 0.1 10 52 5 8-bit data 152 Three-Phase 6 100/LQFP
ATSAM4CMS16 In Production $5.43 6 3000:1 -40 to 85 3 5 1.62 - 3.6 2 4 Channels AES/CPKCC/ICM(SHA)/TRNG 38x6 2 10 0.2 1024 0.1 10 57 6 8-bit data 152 Single-Phase 6 100/LQFP
ATSAM4CMS32 In Production $7.50 6 3000:1 -40 to 85 3 5 1.62 - 3.6 2 4 Channels AES/CPKCC/ICM(SHA)/TRNG 38x6 2 10 0.2 2048 0.1 10 57 6 8-bit data 304 Single-Phase 6 100/LQFP
ATSAM4CMS4 In Production $4.98 6 3000:1 -40 to 85 3 5 1.62 - 3.6 2 4 Channels AES/CPKCC/ICM(SHA)/TRNG 38x6 2 10 0.2 256 0.1 10 57 6 8-bit data 152 Single-Phase 6 100/LQFP
ATSAM4CMS8 In Production $5.21 6 3000:1 -40 to 85 3 5 1.62 - 3.6 2 4 Channels AES/CPKCC/ICM(SHA)/TRNG 38x6 2 10 0.2 512 0.1 10 57 6 8-bit data 152 Single-Phase 6 100/LQFP
View All Parametrics
Product Status 5K Pricing Timers Dynamic Range Temperature Range (deg C) PWM Channels SPI Operating Voltage (Vcc) I2C Energy Metering Analog Front-End Crypto Engine Segment LCD Anti-Tampering Inputs Temp Coefficient Type (ppm/degC) Reactive Energy Accy (%) USB Interface Flash (kBytes) Active Energy Accy (%) ADC Resolution (bits) Max I/O Pins UART External Bus Interface SRAM (kBytes) Meter Type ADC Channels USB Speed Packages
ATSAM4C16 In Production $4.74 6 -40 to 85 4 7 1.62 - 3.6 2 AES/CPKCC/ICM(SHA)/TRNG 50x6 4 0 0 1024 0 10 74 7 16-bit data 152 8 100/LQFP
ATSAM4C32 In Production $6.50 6 -40 to 85 4 7 1.62 - 3.6 2 AES/CPKCC/ICM(SHA)/TRNG 50x6 4 0 0 Host, Device 2048 0 10 106 7 16-bit data 304 8 Full Speed 100/LQFP, 144/LQFP
ATSAM4C4 In Production $4.33 6 -40 to 85 4 7 1.62 - 3.6 2 AES/CPKCC/ICM(SHA)/TRNG 50x6 4 256 10 74 7 16-bit data 152 8 100/LQFP
ATSAM4C8 In Production $4.55 6 -40 to 85 4 7 1.62 - 3.6 2 AES/CPKCC/ICM(SHA)/TRNG 50x6 4 512 10 74 7 16-bit data 152 8 100/LQFP
ATSENSE101 In Production $2.07 0 3000:1 -40 to 85 3 0 3 - 3.6 0 0 0 0 0 0 0 0 0 0 Single-Phase 0 20/SOIC
ATSENSE201 In Production $2.61 0 3000:1 -40 to 85 4 0 3 - 3.6 0 0 0 0 0 0 0 0 0 0 Dual-Phase 0 32/TQFP
ATSENSE301 In Production $3.09 0 3000:1 -40 to 105 7 0 3 - 3.6 0 0 0 0 0 0 0 0 0 0 Poly-Phase 0 32/TQFP
View All Parametrics
Product Status 5K Pricing Timers Dynamic Range Temperature Range (deg C) PWM Channels SPI Operating Voltage (Vcc) I2C Energy Metering Analog Front-End Crypto Engine Segment LCD Anti-Tampering Inputs Temp Coefficient Type (ppm/degC) Reactive Energy Accy (%) USB Interface Flash (kBytes) Active Energy Accy (%) ADC Resolution (bits) Max I/O Pins UART External Bus Interface SRAM (kBytes) Meter Type ADC Channels USB Speed Packages
ATM90E26 In Production $0.92 0 5000:1 -40 to 85 0 1 3 - 3.6 0 3 channels 0 15 0.2 No 0 0.1 16 0 1 0 Single-Phase 3 28/SSOP
ATM90E26 In Production $0.92 0 5000:1 -40 to 85 0 1 3 - 3.6 0 3 channels 0 15 0.2 No 0 0.1 16 0 1 0 Single-Phase 3 28/SSOP
ATM90E26 In Production $0.92 0 5000:1 -40 to 85 0 1 3 - 3.6 0 3 channels 0 15 0.2 No 0 0.1 16 0 1 0 Single-Phase 3 28/SSOP
ATM90E32AS In Production $1.51 0 6000:1 -40 to 85 0 1 3 - 3.6 0 6 channels 0 6 0.2 No 0 0.1 16 0 0 0 Three-Phase 6 48/TQFP
ATM90E32AS In Production $1.51 0 6000:1 -40 to 85 0 1 3 - 3.6 0 6 channels 0 6 0.2 No 0 0.1 16 0 0 0 Three-Phase 6 48/TQFP
ATM90E32AS In Production $1.51 0 6000:1 -40 to 85 0 1 3 - 3.6 0 6 channels 0 6 0.2 No 0 0.1 16 0 0 0 Three-Phase 6 48/TQFP
ATM90E36A In Production $2.39 0 6000:1 -40 to 85 0 1 3 - 3.6 0 7 channels 0 6 0.2 No 0 0.1 16 0 0 0 Three-Phase 7 48/TQFP
ATM90E36A In Production $2.39 0 6000:1 -40 to 85 0 1 3 - 3.6 0 7 channels 0 6 0.2 No 0 0.1 16 0 0 0 Three-Phase 7 48/TQFP
ATM90E36A In Production $2.39 0 6000:1 -40 to 85 0 1 3 - 3.6 0 7 channels 0 6 0.2 No 0 0.1 16 0 0 0 Three-Phase 7 48/TQFP