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GaN Systems GS61004B 100V 45A GaN Transistor Power Semiconductor report by Elena Barbarini May 2018 – sample REVERSE COSTING® – STRUCTURAL, PROCESS & COST REPORT

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  • ©2018 by System Plus Consulting | GaN Systems GS61004B 1

    GaN Systems GS61004B100V 45A GaN TransistorPower Semiconductor report by Elena Barbarini May 2018 – sample

    REVERSE COSTING®– STRUCTURAL, PROCESS & COST REPORT

    강태영oic

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 2

    SUMMARY

    Overview / Introduction 3

    o Executive Summary

    o Reverse Costing Methodology

    Company Profile 13

    o GaN Systems

    o Products

    Physical Analysis 18

    o Summary of the Physical Analysis

    o Package analysis

    Package opening

    Package Cross-Section

    o HEMT Die

    HEMT Die View & Dimensions

    HEMT Die Process

    HEMT Die Cross-Section

    HEMT Die Process Characteristic

    Transistor Manufacturing Process 57

    o HEMT Die Front-End Process

    o HEMT Die Fabrication Unit

    o Final Test & Packaging Fabrication unit

    Cost Analysis 70

    o Summary of the cost analysis

    o Yields Explanation & Hypotheses

    o HEMT die

    HEMT Front-End Cost

    HEMT Die Probe Test, Thinning & Dicing

    HEMT Wafer Cost

    HEMT Die Cost

    o Complete device

    Packaging Cost

    Final Test Cost

    Price Analysis 85

    o Estimation of selling price

    Comparison 88

    o Comparison of GaN systems devices

    o Comparison between GaN systems and EPC

    o Comparison between 100V GaN on Si and Si MOSFET

    Feedback 92

    Company services 94

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 3

    Overview / Introductiono Executive Summaryo Marketo Reverse Costing

    Methodology

    Company Profile & Supply Chain

    Physical Analysis

    Manufacturing Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparison

    About System Plus

    Executive Summary

    GaN Systems is trying to compete with EPC, the market leader, on low voltages HEMT market. System Plus Consulting unveils GS61004Bfrom GaN Systems, the latest device driving 100V optimized for AC-DC converters and high frequency, high efficiency power conversion.

    The GS61004B from GaN Systems is a GaN on Silicon HEMT transistor packaged in the GaNpx Embedded Die package. It features a high-voltage breakdown voltage of 100V for a current of 45A (25°C), with lower switching losses.

    The GS61004B is packaged is an innovative embedded die package developed by AT&S (ECP® process). This package has no wire bondingto reduce the inductance and a design to increase the heat management.

    The new position of the die in the package allows to enhance the thermal dissipation and a simplification of the process reduces the timeand the cost of manufacturing.

    Based on a complete teardown analysis, the report also provides an estimation of the production cost of the epitaxy and the package.

    Finally, the report shows a comparison between the standard 100V Si MOSFETs and the low voltages GaN on Si HEMT.

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 4

    Overview / Introductiono Executive Summaryo Marketo Reverse Costing

    Methodology

    Company Profile & Supply Chain

    Physical Analysis

    Manufacturing Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparison

    About System Plus

    Main Players Roadmap

    2010 2016 20172011 2012 2013 2014 2015

    First GaN Power device

    First commercial product Start production

    80V power stage

    600V power stage

    First commercial product

    GaN IC

    GaN IC

    First commercial product

    First commercial product

    +

    +

    +First commercial

    product

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 5

    Overview / Introductiono Executive Summaryo Marketo Reverse Costing

    Methodology

    Company Profile & Supply Chain

    Physical Analysis

    Manufacturing Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparison

    About System Plus

    Availables GaN devices

    0

    10

    20

    30

    40

    50

    60

    70

    80

    90

    100

    0 200 400 600 800 1000 1200 1400

    Cu

    rre

    nt (

    A)

    Voltage (V)

    Identified GaN Power Devices Transphorm

    GaN System

    EPC

    TI

    Panasonic

    Sanken

    VisIC

    Dialog

    Sampling/Development

    Values based on Datasheet

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 6

    Overview / Introduction

    Company Profile & Supply Chain o GaN Systems Profileo GaN Systems Products

    Physical Analysis

    Manufacturing Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparison

    About System Plus

    GS61004B Datasheet

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 7

    Overview / Introduction

    Company Profile & SupplyChain

    Physical Analysis o Summaryo Packageo GaN HEMT

    Manufacturing Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparison

    About System Plus

    o Package size : xxmm x xxmm xxxmm

    o The package markings include the following markings :

    GaN Systems logo

    61004B

    (e4) 78K8

    Package characteristics

    Package Front view

    Package Back viewPackage Side view

    Reference of component

    Lot date codePb free

    Pre plated Au

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 8

    Overview / Introduction

    Company Profile & SupplyChain

    Physical Analysis o Summaryo Packageo GaN HEMT

    Manufacturing Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparison

    About System Plus

    Package Views front side

    Package frontside

    Package frontside – Cu removal Package frontside – without solder ball

    Package frontside– plastic removal

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 9

    Overview / Introduction

    Company Profile & SupplyChain

    Physical Analysis o Summaryo Packageo GaN HEMT

    Manufacturing Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparison

    About System Plus

    • The RDL connects to the top metals by a series of microvia.

    Package cross section

    Package cross-section – Optical view

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 10

    Overview / Introduction

    Company Profile & SupplyChain

    Physical Analysis o Summaryo Packageo GaN HEMT

    Manufacturing Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparison

    About System Plus

    Redistribution Cross-section

    Redistribution on the power transistor – SEM cross-section view

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 11

    Overview / Introduction

    Company Profile & SupplyChain

    Physical Analysis o Summaryo Packageo GaN HEMT

    Manufacturing Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparison

    About System Plus

    xx

    mm

    HEMT die Dimensions

    HEMT Die – Optical view

    o Die dimensions: xx mm² (xxmm x xxxmm)

    o There is no marking on the die

    xxx mm

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 12

    Overview / Introduction

    Company Profile & SupplyChain

    Physical Analysis o Summaryo Packageo GaN HEMT

    Manufacturing Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparison

    About System Plus

    Die plan view

    HEMT Die – Optical & SEM view

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 13

    Overview / Introduction

    Company Profile & SupplyChain

    Physical Analysis o Summaryo Packageo GaN HEMT

    Manufacturing Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparison

    About System Plus

    Die cross section

    Die cross section – SEM View

    o Substrate thickness: xxxx µm

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 14

    Overview / Introduction

    Company Profile & SupplyChain

    Physical Analysis o Summaryo Packageo GaN HEMT

    Manufacturing Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparison

    About System Plus

    Die cross section

    Die cross section – SEM View

    o Transistor pitch: xxxxx µm

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 15

    Overview / Introduction

    Company Profile & SupplyChain

    Physical Analysis o Summaryo Packageo GaN HEMT

    Manufacturing Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparison

    About System Plus

    Die cross section -Gate

    Die cross section – SEM View

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 16

    Overview / Introduction

    Company Profile & SupplyChain

    Physical Analysis o Summaryo Packageo GaN HEMT

    Manufacturing Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparison

    About System Plus

    Die cross section - Epitaxy

    Die cross section – TEM View

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 17

    Overview / Introduction

    Company Profile & SupplyChain

    Physical Analysis

    Manufacturing Process Flowo HEMT Fab Unito HEMT Process Flowo Packaging Fab Unito Packaging Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparison

    About System Plus

    Description of the Wafer Fabrication Units - HEMT

    In our calculation, we simulate a production unit using xxxmm wafers.

    Estimated HEMT wafer fab unit:

    Name: TSMC, Taiwan

    Wafer diameter: xxxmm (6-inch)

    Capacity: xxx wafers / month

    Year of start: xxx

    Most advanced process: xxxµm

    Products: Silicon power die, GaN and SiC

    Location: Hsinchu, Taiwan

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 18

    Overview / Introduction

    Company Profile & SupplyChain

    Physical Analysis

    Manufacturing Process Flowo HEMT Fab Unito HEMT Process Flowo Packaging Fab Unito Packaging Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparison

    About System Plus

    GaN Transistor - Process Flow (4/4)

    Metal 3

    • IMD 2 •Metal 3

    Passivation•Passivation

    Drawing not to Scale

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 19

    Overview / Introduction

    Company Profile & SupplyChain

    Physical Analysis

    Manufacturing Process Flowo HEMT Fab Unito HEMT Process Flowo Packaging Fab Unito Packaging Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparison

    About System Plus

    Semi-additive PCB Process

    •AOI inspection•Solder mask (LPI

    deposition, exposure & developing)

    Semi-additive PCB Process

    •Board routing

    Semi-additive PCB Process

    •Electrical test

    Semi-additive PCB Process

    •Nickel Finishing•AOI inspection

    GaNpx Packaging Process Flow (4/4)

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 20

    Overview / Introduction

    Company Profile & SupplyChain

    Physical Analysis

    Manufacturing ProcessFlow

    Cost Analysiso Summaryo Die Costo Packaging Costo Component Cost

    Selling Price Analysis

    Comparison

    About System Plus

    Wafer Front-End Cost

    The front-end cost ranges from $xxx to $xxx according toyield variations.

    The main part of the wafer cost is due to the xxx withxxx%.

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 21

    Overview / Introduction

    Company Profile & SupplyChain

    Physical Analysis

    Manufacturing ProcessFlow

    Cost Analysiso Summaryo Die Costo Packaging Costo Component Cost

    Selling Price Analysis

    Comparison

    About System Plus

    Redistribution Cost

    Packaging

    The component has redistribution that is probably manufactured by AT&S.

    The cost is estimated between $xxx and $xxxxx per wafer.

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 22

    Overview / Introduction

    Company Profile & SupplyChain

    Physical Analysis

    Manufacturing ProcessFlow

    Cost Analysiso Summaryo Die Costo Packaging Costo Component Cost

    Selling Price Analysis

    Comparison

    About System Plus

    HEMT Die Cost

    The HEMT Component cost ranges from $xxx to $xxxaccording to yield variations.

    The Front-end manufacturing represents xxx% of thecomponent cost (medium yield estimation).

    Probe test, dicing and scrap account for xxx% of thecomponent cost.

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 23

    Overview / Introduction

    Company Profile & SupplyChain

    Physical Analysis

    Manufacturing ProcessFlow

    Cost Analysiso Summaryo Die Costo Packaging Costo Component Cost

    Selling Price Analysis

    Comparison

    About System Plus

    Component Cost

    The component cost ranges from $xxx to $xxx accordingto yield variations.

    The HEMT die represents xxx% of the component cost.

    Package, Final test and yield losses account for xxx% ofthe component cost.

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 24

    Overview / Introduction

    Company Profile & Supply Chain

    Physical Analysis

    Manufacturing Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparison

    About System Plus

    Estimated Manufacturer Price

    The component selling price ranges from $xxxto $xxx according to yield variations.

  • ©2018 by System Plus Consulting | GaN Systems GS61004B 25

    Overview / Introduction

    Company Profile & Supply Chain

    Physical Analysis

    Manufacturing Process Flow

    Cost Analysis

    Selling Price Analysis

    Comparisono GaN Systems comparisono EPC vs GaN Systems o 100V GaN vs Si

    About System Plus

    Comparison between GaN Systems and EPC 100V GaN HEMT

    GS61004B EPC2045