●Description
●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.
●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
●Applications
●■ Smart metering applications
●■ Street lighting control
●■ Command and control networking
Part 3D Model
