STCOMET:Smart meter and powerline communication system-on-chip

The STCOMET is a device that integrates a power line communication (PLC) modem, a high-performance application core and metrology functions.

The PLC modem architecture has been designed to target the EN50065, FCC, ARIB compliant PLC applications. Together with the application core, it enables the STCOMET to support the ITU-T G.9001, ITU-T G.9903 (G3-PLC®), ITU-T G.9904 (PRIME), IEEE 1901.2, IEC 61334-5-1 (G1), CLC/TS 50568 (METERS AND MORE®) and other narrow band PLC protocol specifications.

The metrology sub-system is suitable for EN 50470-1, EN 50470-3, IEC 62053-21, IEC 62053-22 and IEC 62053-23 compliant class1, class0.5 and class0.2 AC metering applications.

Key Features

  • Integrated differential PLC analog front-end
    • PGA with automatic gain control and ADC
    • Current DAC with transmission predriver
    • Digital transmission level control
    • Zero crossing comparator
    • Up to 500 kHz PLC signal bandwidth
  • Integrated dual line driver
    • 14 V p-p single ended, 28 V p-p differential output range
    • Very high linearity for EMC compliance
    • Externally configurable amplifier topology
    • 1 A rms max. current
    • Embedded overtemperature protection
    • Suitable for all PLC signals up to 500 kHz
  • Fully reprogrammable real-time engine (RTE) modem for PLC standards up to 500 kHz
  • High accuracy metering front-end
    • 3 independent 24-bit ΣΔ ADC channels
    • 3.6 kHz bandwidth
    • Dedicated DSP for turnkey calculation of metrology parameters
    • Direct access to 24-bit ΣΔ data
  • Integrated application core: ARM® 32-bit Cortex™-M4F CPU
    • 96 MHz maximum frequency
    • 8-channel direct memory access controller
    • 8-region memory protection unit
    • Serial wire and JTAG interfaces
    • Cortex-M4 Embedded Trace Macrocell™
    • Up to 86 multiplexed GPIOs
    • 11 timers
    • 1 flexible CRC calculation unit
    • 5 USARTs (ISO 7816 compliant), 5 SPI, 3 I2 C
    • 12-bit general purpose ADC with 6 channels
  • Cryptographic engine
    • AES 128/192/256 engine
    • True random number generator
  • Memories
    • 640 kB or 1 MB of embedded Flash
    • 128 kB of embedded SRAM
    • 8 kB of embedded shared RAM
    • Flexible static memory controller
  • Clock management
    • 24 MHz external crystal for system clock with internal QFS synthesizer
    • 32.768 kHz external crystal for RTC
  • Power management
    • 3.3 V and 8 - 18 V external supply voltages
    • 1.2 V and 5 V integrated linear regulators
    • Normal and low power modes
  • Real-time clock (RTC)
    • VBAT supply with battery health monitoring for RTC and backup registers
  • -40 °C to +85 °C operating temperature range
Product Specifications
DescriptionVersionSize
DS11236: Smart meter and powerline communication system-on-chip2.01 MB
DB2083: Smart metering system-on-chip2.0303 KB
Application Notes
DescriptionVersionSize
AN4875: STCOMET smart meter and power line communication system-on-chip G3-PLC characterization1.02 MB
AN4732: STCOMET smart meter and power line communication system-on-chip development kit2.02 MB
User Manuals
DescriptionVersionSize
UM1811: G3-PLC graphical user interface (GUI)1.03 MB
UM1833: Getting started with the STCOMET platform development environment2.0869 KB
UM1953: STCOMET boot and FW upgrade1.0841 KB
Flyers
DescriptionVersionSize
STCOMET: Future-proof smart grid solutionsFLSTCOMET1016285 KB
Magazine Articles
DescriptionVersionSize
SMArt Street lighting solutions: Remote Control Protocol Over Power Line communication536 KB
Solution Evaluation Tools
Part NumberManufacturerDescription
EVLKSTCOMET10-1STSTCOMET smart meter system-on-chip development kit
EVLSTCOMET-MET1STSTCOMET Smart Meter Reference Design
Sample & Buy
Part NumberPackagePacking TypeUnit Price (US$) *QuantityOutput Current (mA)ECCN (EU)ECCN (US)Country of Origin
STCOMET10TQFP 176 20x20x1.0Tray---5A002A1AEAR99SINGAPORE
STCOMET05TQFP 176 20x20x1.0Tray---5A002A1AEAR99ITALY
Quality & Reliability
Part NumberPackageGradeRoHS Compliance GradeMaterial Declaration**
STCOMET10TQFP 176 20x20x1.0IndustrialEcopack2 (**)md_bu-wspc-tqfp-wspc-176-wspc-20x20x1.0-wspc-1.0-wspc-expaddown_1bbumv1racx-wspc-(stcomet10)-wspc-wcp-wspc-ver2_signed.pdf
md_bu-wspc-tqfp-wspc-176-wspc-20x20x1.0-wspc-1.0-wspc-expaddown_1bbumv1racx-wspc-(stcomet10)-wspc-wcp-wspc-ver2.xml
STCOMET05TQFP 176 20x20x1.0IndustrialEcopack2
Smart meter and powerline communication system-on-chip STCOMET
DB2083: Smart metering system-on-chip STCOMET
Smart metering system-on-chip STCOMET
STCOMET smart meter and power line communication system-on-chip G3-PLC characterization EVLKSTCOMET10-1
STCOMET smart meter and power line communication system-on-chip development kit EVLKSTCOMET10-1
G3-PLC graphical user interface (GUI) STCOMET
Getting started with the STCOMET platform development environment EVLSTCOMET-MET1
STCOMET boot and FW upgrade STCOM
STCOMET boot and FW upgrade STCOM
ST7540 power line modem firmware stack STEVAL-IHP005V1
md_bu-wspc-tqfp-wspc-176-wspc-20x20x1.0-wspc-1.0-wspc-expaddown_1bbumv1racx-wspc-(stcomet10)-wspc-wcp-wspc-ver2_signed.pdf STCOMET
md_bu-wspc-tqfp-wspc-176-wspc-20x20x1.0-wspc-1.0-wspc-expaddown_1bbumv1racx-wspc-(stcomet10)-wspc-wcp-wspc-ver2.xml STCOMET