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SP20537-Die Topsides – Optical View

SiC Transistor Comparison 2020

Published
05/11/2020
Product code
SP20537
Price
EUR 6 490
Applications
Automotive Industrial
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Compare the technology and cost of 29 SiC transistors from Wolfspeed, Rohm, STMicroelectronics, Infineon, Littelfuse, ON Semiconductor, Microsemi, and UnitedSiC.

SP20537-Package Opening – Optical View

The market outlook for SiC devices is promising. This market will reach a compound annual growth rate (CAGR) of 31% for the period 2019-2025 according to Yole Développement. Since the commercialization of the first SiC device in 2001, the performance of SiC devices and the value that they add have been gradually proven. Their price has also become increasingly acceptable to end users.

SiC transistors still have some technical and commercial challenges to face, despite the value they add. These include the wafer price and the complexity of some process steps, specifically SiC epitaxy, SiC etching and high temperature implantation. These challenges still hinder SiC adoption on a large commercial scale.

In this report, System Plus Consulting presents an overview of the state of the art of SiC transistors. It covers 29 SiC transistors, (25 SiC MOSFETs and 4 SiC JFETs), of five voltage classes, 650V, 900V, 1000V, 1200V, and 1700V. They are from Rohm, STMicroelectronics, Wolfspeed, Infineon, Littelfuse, ON Semiconductor, Microsemi, and UnitedSiC. They target different power applications, including two automotive qualified devices.

The report provides detailed optical and Scanning Electron Microscope (SEM) pictures of the device’s packaging and structure, with a focus on the microscopic level of transistor design.

This report includes an estimated manufacturing cost of the analyzed SiC transistors and their selling prices. It provides physical, technological and manufacturing cost comparisons between them.

SP20537-Die Topsides – Optical View SP20537-Die Delayering – SEM View SP20537-Die Cross-Section – SEM View
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Overview/Introduction

  • Executive Summary, Reverse Costing Methodology and Glossary

Technology and Market                                                                                          

Company Profiles

  • Rohm, STMicroelectronics, Wolfspeed, Littelfuse, Infineon, ON Semiconductor, Microsemi, UnitedSiC

Physical Analysis

  • 650V MOSFETs and JFETs
    • Rohm
    • STMicroelectronics
    • UnitedSiC (JFET)
  • 900V MOSFETs
    • Wolfspeed
  • 1000V MOSFETs
    • Wolfspeed
  • 1200V MOSFETs
    • Wolfspeed
    • Rhom
    • STMicroelectronics
    • Littelfuse
    • Infineon
    • ON Semiconductor
    • Microsemi
  • 1700V MOSFETs
    • Wolfspeed
    • Littelfuse
    • Rohm
    • Infineon

Technology and Physical Comparison

  • Device Performance Comparisons, FOMs, Current Density
  • Device Design Comparisons

SiC Transistors Manufacturing Process Flow

  • Supply Chains
  • Step-by-Step Process Flow Sketches for Each Manufacturer

Cost and Price Analysis

  • Yield Explanations and Hypotheses
  • For Each SiC Transistor:
  • For Each Analyzed Device:
    • Wafer cost, die cost, packaging cost, component cost, component price

Cost Comparison

  • Comparisons include Wafer and Die Costs and Die Ampere Cost
  • SiC MOSFET and SiC JFET Cost Comparison
  • SiC MOSFET vs Si IGBT Die Ampere Cost Comparison

System Plus Consulting Services

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