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S-FSK power line networking system-on-chip

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Product overview


The ST7570 is a powerful power line networking system-on-chip. It combines a high-performance PHY processor core and a protocol controller core with a fully integrated analog front end (AFE) and line driver. The ST7570 features allow the most cost-effective, single-chip power line communication solution based on IEC61334-5-1 S-FSK standard.
  • All features

    • Fully integrated narrow-band power line networking system-on-chip
    • High performing PHY processor with embedded turn-key firmware for spread frequency shift keying (S-FSK) modulation:
      • Programmable bit rate up to 2.4 Kbps (@ 50 Hz)
      • 1 Hz step programmable carriers up to 148.5 kHz
      • Signal to noise ratio estimation
      • Received signal strength indication
    • Protocol engine embedding:
      • IEC61334-5-1 PHY and MAC layers
      • Alarm management
      • Repeater Call procedure
      • Intelligent search initiator process
    • On chip peripherals:
      • Host controller UART interface
    • Fully integrated analog front end:
      • ADC and DAC
      • PGA with automatic gain control for high receiving sensitivity
      • High linearity modulated signal generation
    • Fully integrated single-ended power amplifier for line driving
      • Up to 1 A rms, 14 V p-p output
      • Configurable Active filtering topology
      • Very high linearity
      • Embedded temperature sensor
      • Current control feature
    • 8 to 18 V power amplifier supply
    • 3.3 V or 5 V digital I/O supply
    • Integrated 5 V and 1.8 V linear regulators for AFE and digital core supply
    • Mains zero crossing synchronization
    • Suitable for EN50065 and FCC part 15 compliant applications
    • VFQFPN48 package with exposed pad
    • -40 °C to +85 °C temperature range

Circuit Diagram

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STMicroelectronics - ST7570

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