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Power Electronics

Vincotech – Power Module for Solar inverter Infineon IGBT3

Product code
EUR 6990
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System Plus Consulting is proud to publish the reverse costing report of the power module supplied by Vincotech for solar inverters. Five IGBT3 transistors are assembled in the power module. Based on a complete teardown process, the report provides an estimation of the production cost as well as the selling price of the power module and IGBT3 transistors.

This Vincotech power module is used to convert direct current (DC) from solar panels to alternating current (AC). This module is installed in the solar inverter Sunny Boy 3000TL from SMA. The power module integrates a H-bridge and a boost circuit (Transistors + diodes). The Power module holds 6 IGBTs and 7 diodes. 5 IGBTs are manufactured with IGBT3 technology from Infineon.

This report provides complete teardown and cost estimation of the product with :

  • Detailed teardown photos
  • Material analysis
  • IGBT3 physical analysis
  • Schematic assembly description
  • Manufacturing Process Flow
  • In-depth economical analysis
  • Manufacturing cost breakdown
  • Selling price estimation




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Overview / Introduction 

  • Executive Summary
  • The Course of the Analysis

Power Module Physical Analysis 

  • Simplified Block Diagram
  • Sunny Boy Disassembly
  • Ceramic Power Module
  • Ceramic Board
  • Sunny Boy 3000TL, 4000TL and 5000TL Family
  • Transistors Physical Analysis

 Transistor 1 & 2 Physical Analysis 

  • Die Dimensions and pads – Transistor 1
  • Die Dimensions and pads – Transistor 2
  • Guard Ring
  • Trench IGBT
  • Wafer
  • Well Thickness
  • Synthesis : IGBT Structure

Transistor 1 & 2 Process Flow 

  • Front Side
  • Back Side
  • Wafer Fabrication Unit

Transistor 1 & 2 Cost 

  • Wafer Cost Data
  • Wafer Cost
  • Probe Yield
  • Component Manufacturing Cost
  • Selling Price – Transistors 1 & 2

Boost Transistor 

  • Die Dimension and Pads- Boost Transistor
  • Wafer Technology
  • Component Manufacturing Cost

 BOM Cost 

  • Assessing the BOM
  • Estimation of the Cost of the Ceramic board
  • Ceramic Power Board
  • Material Cost Breakdown

Added Value Cost 

  • Assessing the Added Value (AV) cost
  • Assessing the Added Value (AV) cost
  • Ceramic Board manufacturing flow
  • Ceramic Board Hourly rates and cadencies
  • Details of the Ceramic board AV Cost

Estimation of the selling price 

  • Selling Price Hypothesis
  • Estimation of the Selling Price



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