Since the early 90s, ST has been committed to supporting advances in narrow-band power-line communication (PLC) technologies that then became largely adopted by Automatic Meter Reading (AMR) and Automatic Meter Infrastructures (AMI) solutions at the heart of the smart grid concept.

Our large and expanding offer ranges from our first generation analog FSK transceivers with an integrated power-line driver to a second generation, dual-core, multi-protocol, STarGRID® system-on-chip platform with an integrated power-line driver, analog front-end and AES encryption that supports B-FSK, B-PSK, Q-PSK, 8-PSK and OFDM modulations.

The future-proof, fully-programmable, dual-core STCOMET SoC platform supports channels up to 500 kHz, with an integrated AFE, power-line driver and programmable modem. The STCOMET platform also includes a fully-integrated smart meter SoC that embeds high-performance metrology functions.

To ensure ST's PLC transceivers can be readily integrated into tomorrow's smart meter designs, we are among the principal members of major industry alliances committed to the development of standard communication protocols for the smart grid including PRIME, PLC- G3 and METERS AND MORE®. In addition, our transceivers comply with EN50065, FCC and ARIB standards.

Our power-line communication platform comes with an extensive toolbox that includes evaluation boards, evaluation software and certified protocol stacks, providing designers with a comprehensive development environment enabling easy integration into new and existing designs and shorter time to market.

Turnkey PLC chipset for smart-energy infrastructure

ST’s new powerline communication (PLC) platform consists of the ST8500 system-on-chip that includes a powerline modem, higher layer communication stack, PLC analog front end and other peripherals along with the STLD1 companion chip that provides the line driver (power amplifier) function.

Key features and benefits:

  • Fully programmable real-time 400 MHz DSP and 200 MHz ARM® 32-bit Cortex®-M4F core, to meet today’s and the future’s smart grid requirements
  • Ultra-low power-supply consumption <100 mW in Receive mode for the highest energy efficiency operations
  • Embedded AES cryptography engine, supporting up to 256-bit security key and multi-security modes to satisfy the most stringent requirements in terms of data security
  • Full 500 kHz bandwidth support for the best exploitation of worldwide bandwidth (CENELEC, ARIB, FCC)
  • Operating temperature range up 105 °C suitable for critical applications

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