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Smart combiner box

Products and reference designs
Block diagram

Smart combiner box

Block diagram

Overview

Our integrated circuits and reference designs help you accelerate development of a smart combiner box, providing protection and performance monitoring for your commercial- and utility-scale solar power plants.

Design requirements

Smart combiner box designs often require:

  • Modular design that can support 8, 16, 24 or more strings.
  • Protection from overvoltage and overcurrent conditions.
  • Real-time monitoring and communication.
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Block diagram

Find products and reference designs for your system.

Smart combiner box

PV Voltage Input PV Voltage Input Input Voltage Protection Input Voltage Protection E-Fuse E-Fuse V+ V+ Current Sense Current Sense AMP AMP Input 1 Input 1 Input Voltage Protection Input Voltage Protection E-Fuse E-Fuse Current Sense Current Sense AMP AMP Input 2 Input 2 Input x Input x Junction Junction Internal Rails Internal Rails To Inverter Input To Inverter Input Isolated DC/DC Power Supply Isolated DC/DC Power Supply Isolated DC/DC Isolated DC/DC Non-Isolated DC/DC Power Supply Non-Isolated DC/DC Power Supply DC/DC DC/DC LDO LDO Power Monitoring Power Monitoring Voltage supervisory Voltage supervisory Wired Interface Wired Interface RS-485 RS-485 PLC PLC Ethernet Ethernet Wireless Interface Wireless Interface Wi-Fi Wi-Fi ZigBee ZigBee Output User Interface Output User Interface LED Driver LED Driver Logic Logic Gates and Buffers Gates and Buffers Digital Processing Digital Processing MCU MCU Analog Front-End Analog Front-End Reference Reference ADC ADC High Side Current Sense High Side Current Sense AMP AMP Input Power Protection Input Power Protection eFUSE eFUSE

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