Overview
The ST7590 is a Narrowband OFDM power line communication system-on-chip (SoC) developed by STMicroelectronics. It is the first complete power line communication SoC made using multi-power technology with state-of-the-art VLSI CMOS. The ST7590 is PRIME-certified, making it compliant with the PRIME (Powerline Related Intelligent Metering Evolution) protocol, which is widely used in smart metering and smart grid applications. This SoC is designed to provide reliable and efficient communication over power lines, making it an essential component for various smart grid and industrial automation applications.
Key Specifications
| Parameter | Description |
|---|---|
| Package | 48-VFQFN/Exposed Pad |
| Operating Temperature | -40°C to 85°C |
| Power Dissipation | Managed through thermal shutdown circuitry; maximum junction temperature 125°C |
| Compliance | EN50065-7, FCC part 15, CENELEC EN50065 |
| Communication Protocol | PRIME-compliant Narrowband OFDM |
| Frequency Range | 3 kHz to 148.5 kHz |
| Microcontroller Interface | STM32F103RGT7 for system management and application host controller |
| Power Supply | Quasi-resonant switching mode power supply based on ALTAIR04-900 |
Key Features
- PRIME-certified powerline communication SoC based on STarGRID™ technology
- Complete and certified EN50065 compliant reference design for modular and integrated PRIME-based applications
- Onboard STM32F103RG microcontroller for system management and application host controller
- AC power supply based on the ALTAIR04-900 quasi-resonant current mode SMPS controller
- RS232 / RS485 host interface to STM32F103RG microcontroller with opto-couplers for double insulation
- Intuitive graphical user interface (GUI)
- Suitable for CENELEC EN50065 and FCC part 15 compliant applications
- Internal oscillator circuitry with crystal requirements (maximum load capacitance of 20 pF and maximum ESR of 50 Ω)
Applications
The ST7590 is primarily used in smart grid and industrial automation applications, including:
- Smart meters and concentrators
- Powerline communication networks for residential, commercial, and light industrial locations
- In-field PRIME network tests and development
- Customizable solutions for special, low-volume applications
Q & A
- What is the ST7590?
The ST7590 is a Narrowband OFDM power line communication system-on-chip (SoC) developed by STMicroelectronics.
- What protocol is the ST7590 compliant with?
The ST7590 is PRIME-certified, complying with the PRIME (Powerline Related Intelligent Metering Evolution) protocol.
- What is the operating temperature range of the ST7590?
The operating temperature range of the ST7590 is -40°C to 85°C.
- What type of power supply is used in the ST7590 reference design?
The power supply is based on the ALTAIR04-900 quasi-resonant switching mode SMPS controller.
- What microcontroller is used in conjunction with the ST7590?
The STM32F103RGT7 microcontroller is used for system management and as an application host controller.
- What are the key compliance standards for the ST7590?
The ST7590 complies with EN50065-7, FCC part 15, and CENELEC EN50065 standards.
- What is the frequency range of the ST7590?
The frequency range of the ST7590 is from 3 kHz to 148.5 kHz.
- How does the ST7590 manage thermal dissipation?
The ST7590 features a built-in thermal shutdown circuitry and is packaged in a QFN48 with an exposed pad for good thermal performance.
- What kind of applications is the ST7590 suitable for?
The ST7590 is suitable for smart meters, concentrators, and other smart grid and industrial automation applications.
- Does the ST7590 have any specific oscillator requirements?
Yes, the ST7590 requires a crystal with a maximum load capacitance of 20 pF and a maximum ESR of 50 Ω.
