MEMS Accelerometer, Gyroscope & IMU Market 2008-2013
The motion sensing industry is huge and still growing. Some applications are already mature, while others are just emerging. Successful MEMS providers will be the ones able to deal with this changing economic landscape.
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Some devices now integrate MEMS sensors as a commodity product. In other cases, integration of MEMS is driven by regulation and the user is not willing to pay a price premium for additional sensors and pressure on cost is enormous. Successful players are the ones able to decrease manufacturing costs.
One strategy is to produce on 8” infrastructure. Signal processing is also driving the development of future product generations. Being able to add intelligence to the sensor is a means to offer strong product differentiators. From supplying only a component, many players are now supplying a solution. Algorithms are commonly integrated at the chip level: for screen rotation, drop detection…
Another hot trend is the emergence of “clusters” integrating several types of MEMS sensors: this is on the roadmap of inertial MEMS makers. An overall difficulty here is to be able to fuse several types of inputs: highly complex algorithms will be required. Inertial Measurement Units (IMUs) which offer 5 or 6 DOF by combining accelerometers and gyroscopes are commonly used in the defense & aerospace industry. Now that MEMS accelerometers are cheap and that the level of integration of MEMS gyroscopes has increased, it would not be surprising to see MEMS IMUs integrated into our mobile phones. This report highlights why MEMS IMUs will be a very hot topic in just a few months.
MARKET METRICS
MEMS inertial sensors now represent a serious business: 752M units of MEMS accelerometers and gyroscopes were produced worldwide in 2008, corresponding to a $1.80B market already!
The major part of this market still comes from automotive applications; however consumer applications should overtake this by 2011. In the automotive world, massive use of accelerometers and gyroscopes is likely to stay limited to current established applications such as airbag, ESC and TPMS. The annual growth rate will be limited to 3.6% up to 2013, compared to 21.1% for the consumer area. Indeed the adoption rate of motion sensors on many consumer electronics products is rising faster than ever.
Bosch and ST Microelectronics are leading the global MEMS accelerometer market with about 35% market share together. Challengers are numerous (Kionix, Freescale, ADI…) and new players continue to enter the market.
From the gyroscope side, the competition is now clearly between Bosch and Panasonic for the automotive market. In the consumer area, multi-axis devices (InvenSense…) are gaining market shares over single axis devices. ST Microelectronics expects to be as successful as in the accelerometer side with its recently introduced 2-axis gyroscope.
REPORT HIGHLIGHTS
Motion sensing devices are not new. They have been used since the 50s in the aerospace & defense field for navigation functions. MEMS versions of accelerometers and gyroscopes have only been developed more recently, bringing 2 key advantages: cost and size reduction. While not as accurate as the devices used for military applications, MEMS-type accelerometers and gyroscopes are well adapted to be integrated into cars and many consumer electronic products.
MEMS accelerometers have been extensively used since the 90s in light vehicle airbags, as crash sensors. Since then many other devices have benefited from the use of motion sensors. The latest and most striking examples are their use in Nintendo Wii game controllers and in Apple iPhone and iPod devices.
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