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STMICROELECTRONICS  STEVAL-ISV009V1  DEMO BOARD, SPV1020 PHOTOVOLTAIC CONVERTER

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Product Information


  • Application Sub Type: Boost Converter
  • Core Architecture: -
  • Core Sub-Architecture: -
  • Features: Interleaved PWM Mode Boost Conv, Built-in MPPT Algorithm, 0V-40V Operation, OV/OC/OT Protection
  • Kit Application Type: Solar Power Generation
  • Kit Contents: Demo Board SPV1020
  • SVHC: To Be Advised
  • Silicon Core Number: SPV1020
  • Silicon Family Name: -
  • Silicon Manufacturer: STMicroelectronics

Description

STEVAL-ISV009V1 demonstration board is based on SPV1020, which is a monolithic DC/DC boost converter designed to maximize the power generated by photovoltaic panels independent of temperature and amount of solar radiation. The optimization of the power conversion is obtained with embedded logic which performs the MPPT (max power point tracking) algorithm on the PV cells connected to the converter. One or more converters can be housed in the connection box of the PV panels, replacing the bypass diodes and, because the maximum power point is locally computed, the efficiency at system level is higher than that of conventional topologies, where the MPP is computed in the main centralized inverter. It works at a fixed frequency in PWM mode, where the duty cycle is controlled by the embedded logic running a perturb & observe MPPT algorithm.

Features:

  • PWM mode DC/DC boost converter
  • Duty cycle controlled by MPPT algorithm with 0.2% accuracy
  • Operating voltage range 0V to 40V
  • Overvoltage, overcurrent and overtemperature protection
  • Built in softstart
  • Up to 98% efficiency
  • Automatic transition to burst mode for improved efficiency during low solar radiation
  • SPI interface

Applications:

  • Power Management
  • Alternative Energy

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