©2019 by System Plus Consulting | Navitas 650V GaNFast Power IC Family 1
22 Bd Benoni Goullin44200 NANTES - FRANCE +33 2 40 18 09 16 [email protected] www.systemplus.fr
Navitas 650V GaNFast Power IC FamilyNV6115 and NV6252 GaN transistors in Wall ChargersPower Semiconductor report by Sylvain HALLEREAUMay 2019 – Sample
REVERSE COSTING® – STRUCTURAL, PROCESS & COST REPORT
©2019 by System Plus Consulting | Navitas 650V GaNFast Power IC Family 2
SUMMARY
Overview / Introduction 3
o Executive Summary
o Reverse Costing Methodology
Company Profile 13
o Navitas
o Products
Physical Analysis 22
o Summary of the Physical Analysis
o Package analysis
NV6115
Package opening
Package Cross-Section
NV6252
o Dies Delayering
NV6115
Die View & Dimensions
Die Process
NV6252
Die 1
Die 2
o Die Cross-Section
Power HEMT Area
Driver HEMT area
o Die Process Characteristic
Transistor Manufacturing Process 75
o HEMT Die Front-End Process
o HEMT Die Fabrication Unit
o Final Test & Packaging Fabrication unit
Cost Analysis 84
o Summary of the cost analysis
o Yields Explanation & Hypotheses
o HEMT Wafer Cost
o NV6115 Component
Die Cost
Packaging Cost
Final Test Cost
o NV6252 Component
Larger Die Cost
Small Die Cost
Packaging Cost
Final Test Cost
Price Analysis 101
o Estimation of selling price
o NV6115 Component Price
o NV6252 Component Price
Comparison 105
o Comparison Navitas three dies
o Comparison between Navitas and Transphorm and GaN Systems
Feedback 109
Company services 111
©2019 by System Plus Consulting | Navitas 650V GaNFast Power IC Family 3
Overview / Introductiono Executive Summaryo Marketo Reverse Costing
Methodology
Company Profile & Supply Chain
Physical Analysis
Manufacturing Process Flow
Cost Analysis
Selling Price Analysis
Comparison
Related Reports
About System Plus
Executive Summary
Navitas is the pioneer of GaN System-on-Chip solutions. Its GaNFast™ technology is in volume production, initially for markets such as fast chargers and travel adaptors, which are markets driving GaN transistor adoption. The NV6115 and NV6252 are 650V GaN-on-silicon High Electron Mobility Transistors (HEMTs) packaged in quad flat no-leads (QFN) packages. They are currently used in Aukey, RaVPower and Mu One chargers. The GaNFast technology allows switching frequencies up to 10MHz, reducing energy losses. Moreover, the high frequency enables the use of smaller, lighter passive components.
Navitas has integrated the driver part into the GaN component to obtain a monolithic solution. The NV6115 is a one die component and the NV6252 is two dies assembled in an asymmetrical Half-Bridge to enable Active Clamp Flyback operation.
System Plus Consulting has analyzed the technical design and cost of the NV6115 and NV6252 components in detail. Supported by a full teardown of the components, this report reveals the innovative assets that enable Navitas to integrate them in fast chargers.
This report provides insights into the HEMT structure, the epitaxy, technical choices, design, processes, and supply chain positions. It also estimates the manufacturing cost of all the HEMTs and the packages and analyses the products’ selling prices.
Finally, the report provides a functional comparison of the two components and compares them with similar devices from Transphorm and GaN Systems.
©2019 by System Plus Consulting | Navitas 650V GaNFast Power IC Family 4
Overview / Introduction
Company Profile & SupplyChain
Physical Analysis o Summaryo Package
o NV6115o NV6252
o Die Delayeringo NV6115o NV6252
o Die 1 o Die 2
o Die Cross-Sectiono Power HEMT Areao Driver HEMT Area
o Process Characteristics
Manufacturing Process Flow
Cost Analysis
Selling Price Analysis
Comparison
Related Reports
About System Plus
RavPower Teardown
The NV6115 transistor has been found in a wall charger RAVPower :
reference: USB-C PD Charger with GaN Tech 45W Wall Charger (USB Type-C)
Dimension: 2.8 x 2.1 x 0.6 inches (71,1 x 53 x 15 mm)
Weight: 2.56 ounces (73g)
RAVPower wall charger with GaN echnology
RAVPower wall charger opening
RAVPower wall charger electronic Board
2x NV6115
©2019 by System Plus Consulting | Navitas 650V GaNFast Power IC Family 5
Overview / Introduction
Company Profile & SupplyChain
Physical Analysis o Summaryo Package
o NV6115o NV6252
o Die Delayeringo NV6115o NV6252
o Die 1 o Die 2
o Die Cross-Sectiono Power HEMT Areao Driver HEMT Area
o Process Characteristics
Manufacturing Process Flow
Cost Analysis
Selling Price Analysis
Comparison
Related Reports
About System Plus
o Package: QFN 6-pin
o Package size : 6mm x 5mm x0.85mm
o The package markings include the following markings :
Navitas logo
NV6115
B3K328 .1A
1831K
NV6115 Package characteristics
NV6115 Package Front view
NV6115 Package Back viewPackage Side view
Reference of component
Date code
year 2018 Week 31
©2019 by System Plus Consulting | Navitas 650V GaNFast Power IC Family 6
Overview / Introduction
Company Profile & SupplyChain
Physical Analysis o Summaryo Package
o NV6115o NV6252
o Die Delayeringo NV6115o NV6252
o Die 1 o Die 2
o Die Cross-Sectiono Power HEMT Areao Driver HEMT Area
o Process Characteristics
Manufacturing Process Flow
Cost Analysis
Selling Price Analysis
Comparison
Related Reports
About System Plus
o Package: QFN 18-pin
o Package size : 8mm x 6mm x0.85mm
o The package markings include the following markings :
Navitas logo
NV6252
B6B647 . 1C
1831K
NV6252 Package characteristics
NV6252 Package Front view
NV6252 Package Back viewPackage Side view
Reference of component
Date code
year 2018 Week 31
©2019 by System Plus Consulting | Navitas 650V GaNFast Power IC Family 7
Overview / Introduction
Company Profile & SupplyChain
Physical Analysis o Summaryo Package
o NV6115o NV6252
o Die Delayeringo NV6115o NV6252
o Die 1 o Die 2
o Die Cross-Sectiono Power HEMT Areao Driver HEMT Area
o Process Characteristics
Manufacturing Process Flow
Cost Analysis
Selling Price Analysis
Comparison
Related Reports
About System Plus
NV6115 HEMT die Dimensions
©2019 by System Plus Consulting | Navitas 650V GaNFast Power IC Family 8
Overview / Introduction
Company Profile & SupplyChain
Physical Analysis o Summaryo Package
o NV6115o NV6252
o Die Delayeringo NV6115o NV6252
o Die 1 o Die 2
o Die Cross-Sectiono Power HEMT Areao Driver HEMT Area
o Process Characteristics
Manufacturing Process Flow
Cost Analysis
Selling Price Analysis
Comparison
Related Reports
About System Plus
NV6115 Die process Delayering
Drain
NV6115 HEMT Die after metal removing – Optical view
Source
Driver IC part
©2019 by System Plus Consulting | Navitas 650V GaNFast Power IC Family 9
Overview / Introduction
Company Profile & SupplyChain
Physical Analysis o Summaryo Package
o NV6115o NV6252
o Die Delayeringo NV6115o NV6252
o Die 1 o Die 2
o Die Cross-Sectiono Power HEMT Areao Driver HEMT Area
o Process Characteristics
Manufacturing Process Flow
Cost Analysis
Selling Price Analysis
Comparison
Related Reports
About System Plus
Power HEMT – cross section
Die cross section – SEM View
©2019 by System Plus Consulting | Navitas 650V GaNFast Power IC Family 10
Overview / Introduction
Company Profile & SupplyChain
Physical Analysis o Summaryo Package
o NV6115o NV6252
o Die Delayeringo NV6115o NV6252
o Die 1 o Die 2
o Die Cross-Sectiono Power HEMT Areao Driver HEMT Area
o Process Characteristics
Manufacturing Process Flow
Cost Analysis
Selling Price Analysis
Comparison
Related Reports
About System Plus
Power HEMT – Contact Source
Contact Source cross-section– SEM View
©2019 by System Plus Consulting | Navitas 650V GaNFast Power IC Family 11
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
Related Reports
About System Plus
GaN Transistor - Process Flow (3/4)
GaNInsulation
• Oxide depositions
• Pattern source/drain contacts
Metal 1
• S/D contact depositon and pattern
• SiN insulation
Metal 2
• Gate contact deposition and pattern
• SiO2 insulation
Drawing not to Scale
Metal 1
Gate ContactField plate
©2019 by System Plus Consulting | Navitas 650V GaNFast Power IC Family 12
Overview / Introduction
Company Profile & SupplyChain
Physical Analysis
Manufacturing Process Flow
Cost Analysiso Summaryo Wafer Costo NV6115 Component
o Die Costo Packaging Costo Component Cost
o NV6252 Componento Die #1 Costo Die #2 Costo Packaging Costo Component Cost
Selling Price Analysis
Comparison
Related Reports
About System Plus
650V GaNFast - Wafer Front-End Cost
©2019 by System Plus Consulting | Navitas 650V GaNFast Power IC Family 13
Overview / Introduction
Company Profile & SupplyChain
Physical Analysis
Manufacturing Process Flow
Cost Analysiso Summaryo Wafer Costo NV6115 Component
o Die Costo Packaging Costo Component Cost
o NV6252 Componento Die #1 Costo Die #2 Costo Packaging Costo Component Cost
Selling Price Analysis
Comparison
Related Reports
About System Plus
NV6252 Die 1- HEMT Die Cost
©2019 by System Plus Consulting | Navitas 650V GaNFast Power IC Family 14
Overview / Introduction
Company Profile & Supply Chain
Physical Analysis
Manufacturing Process Flow
Cost Analysis
Selling Price Analysis
Comparison
Related Reports
About System Plus
Related Reports
MARKET AND TECHNOLOGY REPORTS - YOLE DÉVELOPPEMENT
POWER ELECTRONICS & COMPOUND SEMI• Power GaN 2018: Epitaxy, Devices, Applications and Technology
Trends• Discrete Power Device Packaging: Materials Market and
Technology Trends 2019• RF GaN Market: Applications, Players, Technology and Substrates
2019• Wireless Charging Technologies and Markets 2018
REVERSE COSTING ANALYSES - SYSTEM PLUS CONSULTING
POWER SEMICONDUCTORS & COMPOUND• GaN-on-Silicon Transistor Comparison 2018• Texas Instruments’ LMG5200 GaN Power Stage• GaN Systems GS61004B GaN HEMT• Panasonic PGA26E19BA 600V GaN MOSFET• Transphorm GaN-on-Silicon HEMT TPH3206PS• EPC2045 100V GaN-on-Silicon Transistor
©2019 by System Plus Consulting | Navitas 650V GaNFast Power IC Family 15
COMPANYSERVICES
©2019 by System Plus Consulting | Navitas 650V GaNFast Power IC Family 16
Overview / Introduction
Company Profile & Supply Chain
Physical Analysis
Manufacturing Process Flow
Cost Analysis
Selling Price Analysis
Comparison
Related Reports
About System Pluso Company serviceso Contact
Business Models Fields of Expertise
Custom Analyses(>130 analyses per year)
Reports(>60 reports per years)
Costing Tools
Training
©2019 by System Plus Consulting | Navitas 650V GaNFast Power IC Family 17
Overview / Introduction
Company Profile & Supply Chain
Physical Analysis
Manufacturing Process Flow
Cost Analysis
Selling Price Analysis
Comparison
Related Reports
About System Pluso Company serviceso Contact
Contact
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