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Bosch Sensortec BME280 - Integrated Environmental Sensor
Mar.2015

bme280 icone
2 990 €

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Description

BME280 flyerHigh performances pressure and humidity sensor based on Bosch APSM process and innovative resistive measurement technology in a single compact package

Bosch BME280 environmental sensor is the evolution of BMP280 pressure sensor. Assembled in a 8-pins LGA 2.5 x 2.5 x 0.93mm package, the BME280 is a digital humidity, pressure and temperature sensor equipped with two MEMS dies and an amplification ASIC. It is designed by CMOS process and it has operating ranges of -40…+85°C, 0…100 % relative humidity and 300…1100 hPa.


The MEMS pressure sensor is manufactured with Bosch APSM process with the flexible pressure membrane and temperature diodes on Si substrate. The relative humidity sensors presents an innovative resistive measurement technology which allows a very fast and precise response in very compact size.
This device represents a new type of combo sensor for mobile phones: its open package is a quite new features respect to close packaged combos. In the report it is performed a exhaustive package analysis.
The report presents deep technological and cost analysis of BME280 and a technical comparison with BMP280 MEMS and ASIC and with Sensirion SHTC1 humidity MEMS.

BME280 img


COMPLETE TEARDOWN WITH:

  • Detailed Photos
  • Precise Measurements
  • Material Analysis
  • Manufacturing Process Flow
  • Supply Chain Evaluation
  • Manufacturing Cost Analysis
  • Selling Price Estimation
  • BME280 Vs BMP280 MEMS
  • BME280 Vs Sensirion SHTC1
 

Table of contents

Glossary

Overview/Introduction , Companies Profile


Physical Analysis

> Package
  • Package Views & Dimensions
  • Package Opening
  • Wire bonding Process
  • Package Cross-Section
> ASIC Die
  • View, Dimensions & Marking
  • ASIC Delayering
  • ASIC main blocks identification
  • ASIC Process
  • ASIC Die Cross-Section
> Pressure & Humidity Die
  • View, Dimensions & Marking
  • MEMS Pressure Sensing Area
  • MEMS Humidity Sensing Area
  • MEMS Pressure Cross-Section: MEMS
  • MEMS Humidity Cross-Section
  • MEMSs processes

Comparison with BMP280 pressure sensor

Comparison with Sensirion SHTC1 humidity sensor
Manufacturing Process Flow

> ASIC Front-End Process
> MEMS Pressure Process Flow
> MEMS humidity Process Flow
> Wafer Fabrication Units
> Packaging Process Flow & Assembly Unit

Cost Analysis

> Main steps of economic analysis
> Yields Hypotheses
> ASIC Front-End Cost
> ASIC Back-End 0 : Probe Test & Dicing
> ASIC Front-End Cost
> MEMS Pressure Front-End Cost
> MEMS Pressure Back-End 0 : Probe Test & Dicing
> MEMS HumidityWafer & Die Cost
> MEMS HumidityFront-End Cost
> MEMS Humidity Back-End 0 : Probe Test & Dicing
> MEMS Pressure Wafer & Die Cost
> Back-End : Packaging Cost
> Back-End : Packaging Cost per Process Steps
> Back-End : Final Test & Calibration Cost
> BME280 Component Cost

Estimated Price Analysis

 


SYSTEM PLUS CONSULTING


Across the Enterprise, from marketing to purchasing and R&D, product manufacturing cost is a major factor which has to be measured and then optimized. Since 1993, System Plus Consulting’s mission has been to develop and sell the right tools and services to meet these costing requirements.

System Plus Consulting utilizes an engineering approach to cost. Cost models and technology expertise are combined to provide customers with an accurate and objective estimation of manufacturing costs and selling prices.

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: technology analysis followed by cost evaluation
− Standard reverse costing reports: regular publications on innovative products (available from our catalogue)
− Costing tools: software tools combining models and data to perform cost analysis

System Plus Consulting analyzes any type of electronic devices and systems, with a special focus on semiconductor technologies. Major fields of technology and cost expertise are:
− Integrated Circuits
− Power Devices and Modules
− MEMS & Sensors
− Photonics: LED, Image Sensors
− Packaging including wafer level
− Electronic Boards and Systems

Our analyses are used by Purchasing Departments to measure their suppliers’ cost structure, R&D Departments to confirm technological choices depending on their impact on costs, and Benchmarking/Marketing Departments to monitor the products on the market.

System Plus Consulting is committed to provide a high level of service:
− Delivery of reports and custom analyses with a minimum lead time.
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