Complete Teardown Analysis of Bosch's 6-Axis IMU for the Apple iPhone X with a Comparison with InvenSense and STMicroelectronics' Latest 6-axis IMUs
Complete Teardown Analysis of Bosch's 6-Axis IMU for the Apple iPhone X with a Comparison with InvenSense and STMicroelectronics' Latest 6-axis IMUs
DUBLIN, March 12, 2018 /PRNewswire/ --
The "Bosch's 6-Axis IMU in the Apple iPhone X Complete Teardown Report" report has been added to ResearchAndMarkets.com's offering.
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With the introduction of Apple's latest products in Q4 2017, Bosch Sensortec is now the undisputed leader in MEMS IMU for consumer applications. Indeed, Bosch completely crushed the competition by replacing InvenSense inside the newest iPhone 8 and iPhone X, and supplanting STMicroelectronics for the Apple Watch Series 3. These three new design wins give Bosch hundreds of millions of unit sales per year.
This new Bosch Sensortec component is likely a custom 6-axis IMU made specifically for Apple. It is exactly the same component found inside the iPhone 8, iPhone X, and Apple Watch Series 3. One major improvement is the incredibly thin profile achieved by Bosch, with a total thickness of only 0.6mm compared to 0.9mm for the industry standard. This thickness was probably an Apple request in order to fit with the small form factor of the Apple Watch Series 3's cellular functionality. To achieve this low profile, Bosch changed the packaging structure used for its preceding product, the BMI160.
On the design side, Bosch Sensortec made significant changes - particularly for the accelerometer, where the old single-mass structure was abandoned for a new structure achieving better sensing properties. The micromachining manufacturing process, unchanged by Bosch Sensortec for many years, was also revised, with a new process for both accelerometer and gyroscope.
Finally, a new ASIC die was designed to fuse the data from the accelerometer and gyroscope, and probably to deliver even lower current consumption and other functionalities.
This report includes a detailed physical analysis, with process description and manufacturing cost analysis. A complete comparison with Bosch Sensortec's BMI160 is also provided, along with a comparison with InvenSense and STMicroelectronics' latest 6-axis IMUs.
Key Topics Covered:
1. Overview /Introduction
Executive Summary
Reverse Costing Methodology
2. Company Profile
Bosch Sensortec
Consumer IMU Market
Apple iPhone X, iPhone 8, and Watch Series 3 Teardown
3. Physical Analysis
Synthesis of the Physical Analysis
Package
View and dimensions
Opening
Wire bonding process
Cross-section
ASIC Die
ASIC die view and dimensions
ASIC delayering and main blocs
ASIC die process
ASIC die cross-section
MEMS Accelerometer Die
MEMS die view and dimensions
MEMS die cross-section
MEMS accelerometer process
MEMS Gyroscope Die
MEMS die view and dimensions
MEMS die cross-section
MEMS gyroscope process
Physical Comparison
Bosch IMU sensor evolution
Comparison with IMUs from InvenSense and STMicroelectronics
4. Sensor Manufacturing Process
ASIC Die Front-End Process and Fabrication Unit
MEMS Accelerometer Process and Fabrication Unit
MEMS Gyroscope Process and Fabrication Unit
Packaging and Final Test Fabrication Units
5. Cost Analysis
Synthesis of the Cost Analysis
Yields Explanation and Hypotheses
ASIC Component
Wafer front-end cost, probe test, thinning and dicing
ASIC wafer and die cost
MEMS Accelerometer Die
-Wafer front-end cost, probe test and dicing
-Accelerometer wafer and die cost
MEMS Gyroscope Die
-Wafer front-end cost, probe test and dicing
-Gyroscope wafer and die cost
LGA Packaged Component
-Back end: LGA packaging cost
-Back end: final test
-Component cost
Companies Mentioned
-- Apple
-- Bosch
-- InvenSense
-- STMicroelectronics
For more information about this report visit https://www.researchandmarkets.com/research/dfrhtj/complete_teardown?w=5
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