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Texas Instruments LMG3410 600V GaN FET Power Stage
Jul.2017

yole_texas_instruments_lmg3410_600v_gan_fet_power_stage_overview_system_plus_consulting
3 490 €

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Description

Yole Texas Instruments LMG3410 600V GaN FET Power Stage System Plus Consulting flyer cover

The first high-voltage driver-integrated solution, from Texas Instruments

GaN power device technology is evolving quickly. Due to fast switching and drive complexity, players are providing more user-friendly solutions to accelerate the adoption of power IC technology in power stages. In this context, more solutions with integrated driver or other functions are appearing on the market. Among them we see two approaches: monolithic integration, or a system-in-package solution. Texas Instruments (TI) is the pioneer in the latter.

In this report, System Plus Consulting unveils the LMG3410: the first GaN FET Power Stage from Texas Instruments. The device contains a 600V GaN power transistor and a specialized driver in an 8mm x 8mm VQFN package.

Yole Texas Instruments LMG3410 600V GaN FET Power Stage Overview System Plus Consulting

Texas Instruments introduces to the market a completely new design for GaN FET. The design’s optimization allows for integration of a silicon driver and a GaN FET in a compact, standard package. The specific architecture allows for a normally-off device thanks to the integrated silicon MOSFET, which turns the FET off via its source.

The new LMG3410 from TI features a medium-voltage breakdown voltage of 600V for a current of 12A (25°C), with very low RdsOn compared to its competitors. The transistor is driven by a specially-designed silicon PMIC with a 0.18 µm technology node.

Yole Texas Instruments LMG3410 600V GaN FET Power Stage System Plus Consulting

The GaN and AlGaN layers are deposited by epitaxy on a silicon substrate. A complex buffer and template layers’ structure is used to reduce stress and dislocation.

Based on a complete teardown analysis, this report also provides estimated production costs for the PMIC, FET, and package.

Yole Texas Instruments LMG3410 600V GaN FET Power Stage System Plus Consulting 2

This report also proposes a comparison with GaN Systems, Transphorm, and Panasonic GaN HEMTs and epitaxy. This comparison highlights the differences in design and manufacturing process and their impact on device size and production cost.

Table of contents

Overview / Introduction


> Executive Summary
> Reverse Costing Methodology

 

 

Company profile


> Texas Instruments

 

 

Physical Analysis


> Synthesis of the Physical Analysis
> Package Analysis

- Package opening
- Package cross-section

> FET Die 
- FET die view and dimensions
- FET die process 
- FET die cross-section
- FET die process characteristics

> ASIC Die
- ASIC die view and dimensions
- ASIC die process 
- ASIC die cross-section
- ASIC die process characteristics

 

 

Power Stage Manufacturing Process 


> FET Die Front-End Process 
> FET Die Fabrication Unit
> ASIC Die Front-End Process 
> ASIC Die Fabrication Unit
> Final Test & Packaging Fabrication Unit

 

 


 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cost Analysis


> Synthesis of the Cost Analysis
> Yield Explanations and Hypotheses
- FET front-end cost
- FET die probe test, thinning and dicing
- FET wafer cost
- FET cost

 > ASIC Die
- ASIC front-end cost
- ASIC die probe test, thinning and dicing
- ASIC wafer cost
- ASIC die cost

> Complete Power Stage
- Packaging cost
- Final test cost
- Component cost

 

 

Cost Analysis


> Overview of the Cost Analysis
> Yield Explanations and Hypotheses
> MOSFET Die
- MOSFET die front-end cost
- MOSFET die probe test, thinning and dicing
- MOSFET die wafer cost
- MOSFET die cost

> Complete MOSFET
- Assembled components cost
- Overview of the assembly
- Component cost

                     

     

Price Analysis


> Estimated Selling Price Comparison
> Comparison Between Panasonic HEMTs
> Comparison Between Panasonic, Transphorm, and GaN Systems HEMT

 


About the authors



ABOUT SYSTEM PLUS CONSULTING

System Plus Consulting specializes in the cost analysis of electronics, from semiconductor devices to electronic systems.

 

Created more than 20 years ago, System Plus Consulting has developed a complete range of services, costing tools and reports to deliver in-depth production cost studies and estimate the objective selling price of a product.

 

System Plus Consulting engineers are experts in:

  • Integrated Circuits 
  • Power Devices & Modules 
  • MEMS & Sensors
  • Photonics 
  • LED 
  • Imaging 
  • Display 
  • Packaging 
  • Electronic Boards & Systems.

Through hundreds of analyses performed each year, System Plus Consulting offers deep added-value reports to help its customers understand their production processes and determine production costs. Based on System Plus Consulting’s results, manufacturers are able to compare their production costs to those of competitors.

System Plus Consulting is a sister company of Yole Développement.

 

More info at www.systemplus.fr 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REVERSE COSTING WITH

  • Detailed photos and identification

  • SEM & EDX analysis of epitaxy layers and transistor structure

  • TEM & EDX analysis of epitaxy layers and transistor structure

  • Manufacturing process flow

  • In-depth economic analysis

  • Manufacturing cost breakdown

  • Estimated selling price

  • Comparison with Transphorm, GaN Systems, and Panasonic devices