**[13/5] NEW new**
**STMicroelectronics Power Line Communication Chipset Solution**
**Pave the way for the launch of new smart power infrastructure**
Programmable modular solutions simplify the design and deployment of new smart meters, smart grid hardware, smart street lights, home controllers, and industrial controllers.
China, October 9, 2017 – STMicroelectronics (ST; NYSE: STM), a global leader in semiconductor innovation, is introducing a new modular power line communication (PLC) modem chipset that is set to revolutionize smart energy systems. This advanced solution empowers equipment manufacturers to develop electric meters, smart grid nodes, street lighting systems, home automation devices, and industrial control units with greater flexibility and efficiency. The technology is already being adopted by three top-tier smart meter manufacturers to create next-generation smart solutions.
As a comprehensive system, the new chipset integrates essential protocol processing functions for data encapsulation and conversion, enabling reliable data transmission over power lines. It offers line-driving capabilities that allow customers to build cost-effective PLC products. Whether used as an internal component in new designs or as a core module in existing devices, the chipset meets stringent regulatory requirements. In various applications, it acts as an external communication module for connecting meters or controllers, offering compatibility and scalability. Its programmable features support multiple models on the same hardware platform and enable software updates in the field, reducing long-term costs.
Domenico Arrigo, General Manager of STMicroelectronics' Industrial and Power Conversion Division, said, "Since the introduction of the first digital meters, ST has been a key supplier to leading smart meter manufacturers worldwide. Today, more than 60 million chipsets are deployed across Europe, China, and the Americas. With our deep experience, we have developed a flexible, cost-effective PLC connectivity solution that supports multiple standards and enables global deployment. This new chipset is perfectly suited to meet the evolving demands of smart grids and IoT applications."
According to IHS Markit, annual smart meter sales have surpassed 100 million units, with growth expected to exceed 8% by 2021.
**Technical Overview**
The new chipset consists of two key components: the ST8500 programmable PLC engine and the STLD1 line driver.
The ST8500 is a high-performance system-on-chip (SoC) featuring a quad-core DSP processor and an ARM® Cortex®-M4F core for real-time protocol processing. It includes dedicated memory for each processor, along with a smart meter-specific peripheral interface, such as an AES encryption engine and an analog front end (AFE) for connection to the STLD1 line driver. The ST8500 consumes less than 100mW, ensuring ultra-low power consumption and compliance with the latest energy efficiency standards.
The STLD1 line driver delivers high communication reliability, even in noisy environments. It offers low impedance, strong drive capability, and high linearity across a wide voltage range—either 18V single-ended or 36V differential mode. The chipset also includes certified G3-PLC and PRIME power line protocol stacks, complying with CENELEC, FCC, and ARIB band regulations.
The ST8500 is available in a compact 7mm x 7mm x 1mm QFN56 package, while the STLD1 comes in a 4mm x 4mm x 1mm QFN24 package. Volume production has started, and pricing details and sample applications can be obtained by contacting your local STMicroelectronics sales representative.
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