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Zolt Avogy Laptop Charger Plus
Jan.2016

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2 990 €

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Description

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A WBG transistor inside the smallest and most performant laptop charger currently available

Zolt is a subsidiary of Avogy which develops and manufactures GaN on GaN discrete semiconductor devices and modules.
We have been surprised by the technical choice made by Avogy. Discover which substrate technology is used and who is the manufacturer of the Wide Band Gap (WBG) device.

Zolt Laptop Charger Plus is a 70-watt notebook charger which is also able to charge simultaneously two other USB mobile devices. Despites its small size (93x34mm) and its three outputs, Zolt guarantees a max skin temperature of 63°C without efficiency losses.

The system integrates three electronic boards. A first board, is dedicated to the AC/DC conversion. On the second board, the Avogy’s Patented Resonant Switching technology allows the charger to work at very high switching frequencies. The use of Avogy high breakdown voltage transistor makes possible to increase the switching frequency thereby to reduce storage elements. Then the buck conversion stage is performed by transistors from Infineon. A last board is equipped with a MCU which analyzes and controls the optimal current delivered to each USB port. This makes the charger to be compatible with nearly 90% of the laptop computers.

Based on a complete teardown analysis of the Zolt Charger, the report provides the bill-of-material (BOM) and the manufacturing cost of the charger. A quick analysis of the conversion topology is also performed.

The physical and technical characteristics of the Avogy transistor are revealed.

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Table of contents

Overview / Introduction


Executive Summary
Company Profile : Avogy
Reverse Costing Methodology

 

Physical Analysis


Global View of the Packaging
Packaging Opening
Views and dimensions of the charger
Charger Disassembly
Electronic Boards
Main Board
       > Global View
       > High Definition Photo
       > Components Markings
       > Components Identification
RF Board
AC/DC Board
Avogy 150-00028 Physical Analysis
      > Package Characteristics and Marking
      > Die Analysis : Dimensions, Process, substrate, cross section
       > Die Process Flow
       > Die Manufacturer

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cost Analysis


> Estimation of the cost of the PCBs
> Estimation of the Cost of the Plastic Parts
> BOM Cost - Main Board
> BOM Cost - USB Board
> BOM Cost - AC/DC Board
> BOM Cost - Housing
> Material Cost Breakdown
> Accessing the Added Value (AV) cost
> Main Board Manufacturing Flow
> Details of the Housing Assembly & Functional Test Costs
> Added Value Cost Breakdown
> Manufacturing Cost Breakdown

                                              

Estimated Price Analysis


> Estimation of the Manufacturing Price
> Estimation of the Selling Price

 


About the authors



ABOUT SYSTEM PLUS CONSULTING

Headquartered in Nantes, France, System Plus Consulting is specialized in technology and cost analysis of electronic components and systems. During our 20 years in business, we have built and refined detailed cost models as the primary tools for hundreds of analyses.

The highly qualified System Plus cost engineers combine broad and deep skills in semiconductor and electronics technologies with years of experience in cost modeling. We offer:custom reverse costing analyses, standard reverse costing reports and costing tools within the following fields: integrated circuits, power devices and modules, MEMS & sensors, photonics (LED, Image Sensors), packaging and electronic boards and systems. www.systemplus.fr.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REVERSE COSTING WITH

  • Detailed Photos

  • Material Analysis

  • Avogy Transistor Analysis

  • Transistor Supply Chain

  • Topology Analysis

  • Bill of Material

  • Manufacturing Process Flow

  • Manufacturing Cost Analysis

  • Manufacturing Price Estimation