Data concentrators

Products and reference designs

Data concentrators

Block diagram

Overview

Advanced metering infrastructure (AMI) networks are the foundation for smart grid deployments around the world. Data concentrators play a key role in AMI networks as they are the point of interaction between the utility's central operations network and individual end points.

Design requirements

    Modern data concentrator designs require:

  • A secure, high-performance reference that maximizes the number of end points serviced and reduces the utility's overall cost of deployment.
  • Support for both wired AMI networks such as PLC and wireless AMI networks using low-power RF mesh or star topologies.

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Block diagram

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Data concentrator

Host Host LED LED Display Display Communication Subsystem Communication Subsystem Clock Clock DRAM DRAM Flash Flash EEPROM EEPROM MPU MPU LED Driver LED Driver USB ESD Protection USB ESD Protection Buffer Buffer Temperature Sensor Temperature Sensor Humidity Sensor Humidity Sensor Termination Termination WDT WDT RTC RTC SVS SVS Isolated AC/DC Power Supply Isolated AC/DC Power Supply PWM Controller PWM Controller Power Switch Power Switch eFuse/Load Switch eFuse/LoadSwitch VAC VAC DC/DC Power Supply DC/DC Power Supply Step Down Converter Step Down Converter PMIC PMIC LDO LDO DC/DC DC/DC Boost Boost Energy Storage Energy Storage Battery Gauge Monitor Battery Gauge Monitor Wireless Interface Wireless Interface MCU MCU Transceiver Transceiver PA/LNA PA/LNA RFID Tag or Xcvr RFID Tag or Xcvr IRDA IRDA Antenna(s) Antenna(s) GPRS/3G/LTE/ Modem GPRS/3G/LTE/Modem Boost Boost Wired Interface Wired Interface Mains Coupling MainsCoupling PLC MCU PLC MCU PLC AFE PLC AFE RS-232/RS-485 RS-232/RS-485 Ethernet Ethernet ESD Protection ESD Protection Anti-Tamper Anti-Tamper Host Subsystem Host Subsystem Case Open Case Open Timer Timer Inductive Switch Inductive Switch

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