New Precision MEMS Sensor from STMicroelectronics Supports Accurate Positioning and Control for Cars
July 09 2018 - 9:01AM
- Advanced inertial sensor provides highly accurate dead
reckoning for automotive navigation, telematics, and highly
automated driving systems
- 3-axis accelerometer and 3-axis gyroscope
integrated on a single chip leverage ST-proprietary end-to-end MEMS
process for best quality and customer supply-chain assurances
- Chosen by Magneti Marelli for new advanced telematics
system
Geneva, July 9, 2018 - STMicroelectronics (NYSE: STM), a
global semiconductor leader serving customers across the spectrum
of electronics applications, has introduced the automotive-grade
ASM330LHH six-axis inertial sensor for super-high-resolution motion
tracking in advanced vehicle navigation and telematics
applications.
Serving demands for continuous, accurate vehicle location to
support automated services, the ASM330LHH lets advanced
dead-reckoning algorithms calculate precise position from sensor
data if satellite signals are blocked. This often happens in urban
canyons, tunnels, covered roadways, parking garages, or dense
forests. Its advanced, low-noise, temperature-stable design enables
dependable telematics services such as e-tolling, tele-diagnostics,
and e-Call assistance. Precision inertial data in six axes also
meets the needs of advanced automated-driving systems.
Magneti Marelli has selected the ASM330LHH for advanced
telematics systems, to be fitted as original equipment by global
automotive groups in upcoming vehicle ranges.
For the ASM330LHH, as with all its MEMS sensors, ST owns the
entire manufacturing process, from designing the sensors, through
wafer fabrication, packaging, test, calibration, and supply. Full
end-to-end control enables ST to create high-performing sensors and
assure customers of a robust and responsive supply chain, with
rigorous end-of-line quality screening.
"ST is the largest supplier of MEMS sensors for automotive
non-safety applications, such as navigation and telematics[1],"
said Andrea Onetti, Analog, MEMS and Sensors Group Vice President,
STMicroelectronics. "Our latest-generation inertial sensor, the
automotive-grade ASM330LHH, enables precise positioning for safer,
smarter driving."
Engineering samples will be available for evaluation by Q3 2018,
and volume production will begin the following quarter. Budgetary
pricing starts at $5.00 for orders of 1000 pieces.
Further technical information on the ASM330LHH:
- Temperature range up 105°C giving designers extra freedom to
locate electronic controls in hot areas such as in smart antennas
on the vehicle roof, or near the engine compartment;
- Ultra low noise allows greater measurement resolution by
minimizing integration errors when positioning is reliant on
sensors only;
- High linearity and built-in temperature compensation eliminate
any need for external compensation algorithms over its operating
range;
- Lowest power consumption in class, with features for optimizing
power management if battery usage becomes crucial;
- Qualified according to AEC-Q100 automotive-grade robustness
standard;
- Built on ST's proven, proprietary ThELMA[2] MEMS process
technology, which enables integration of both the 3-axis
accelerometer and 3-axis angular-rate sensor (gyroscope) on the
same silicon for optimum yield, quality, and reliability;
- The electronic interface integrates the signal chain for both
sensors on a single die using ST's 130nm HCMOS9A technology;
- Reference designs, as well as ST's Teseo(TM)
satellite-positioning modules and related software are available.
The dead-reckoning algorithm included with the Teseo III
GNSS-receiver chipset already supports the ASM330LHH to generate a
high-accuracy output suitable for autonomous navigation;
- Tiny, low-profile 3mm x 2.5mm x 0.83mm device for minimal
impact on the size of any on-board module;
- Packaged as a leadless Land Grid Array (LGA) device.
Further information is available at www.st.com/asm330lhh-pr
About STMicroelectronics
ST is a global semiconductor leader delivering intelligent and
energy-efficient products and solutions that power the electronics
at the heart of everyday life. ST's products are found everywhere
today, and together with our customers, we are enabling smarter
driving and smarter factories, cities and homes, along with the
next generation of mobile and Internet of Things devices.
By getting more from technology to get more from life, ST stands
for life.augmented.
In 2017, the Company's net revenues were $8.35 billion, serving
more than 100,000 customers worldwide. Further information can be
found at www.st.com.
For More Information Please Contact:
STMicroelectronics Michael Markowitz Director, Technical
Media Relations +1-781-591-0354 Michael.Markowitz@st.com
[1] Source: IHS Market Tracker Automotive MEMS H1 2017
[2] Thick Epitaxy Layer for Micro-gyroscopes and Accelerometers
(ThELMA) is a surface micro-machining process that combines
variably thick and thin polysilicon layers for structures and
interconnections.
- ST MEMS Automotive IMU.pdf
- ST MEMS Automotive IMU_IMAGE.jpg
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