Highly Reliable Position Sensor IC from ams Provides Accurate Position Data for Latest Active Chassis Control Systems
February 05 2014 - 8:07AM
Business Wire
Very low failure rate of AS5162 helps automotive customers
achieve compliance with ISO26262 functional safety standard
Highly reliable contactless magnetic position sensing technology
from ams AG (SIX: AMS), a leading provider of high performance
analog ICs and sensors, has gained valuable endorsement from the
demanding automotive industry.
International automotive supplier Continental is basing its new
CPS series chassis height sensor on the AS5162, a magnetic position
sensor from ams.
The AS5162, paired with a simple two-pole magnet, accurately
detects angular displacements as fine as 0.09° over a full
revolution. Its non-contacting semiconductor technology is immune
to stray magnetic fields and, unlike optical or contacting position
sensors, it is unaffected by contaminants such as oil, grease or
dirt.
The CPS series is used in the latest active chassis control
systems to measure the height of a vehicle’s chassis relative to
its wheels. Permitting a flexible range of configurations, the
AS5162 can also be used in additional position sensing applications
such as headlight range and level controls, and for other angle
measurements, for example in commercial vehicles such as dump
trucks.
In a safety-critical system such as active chassis control, the
CPS series is required to comply with the ISO26262 functional
safety standard. This standard requires vehicle manufacturers to
achieve high levels of reliability, to analyze the effects of the
failure modes of components and systems, and to take measures to
guarantee functional safety in the event of a predictable
failure.
An AEC-Q100 qualified device, the AS5162 underpins Continental’s
achievement of ISO26262 compliance for its CPS series product
because of its extremely low FIT (Failure In Time) rate – a key
measure of reliability defined by the standard. The wafer
fabrication processes of ams also provide for precise analysis of
the device’s failure modes.
‘Advanced active chassis control systems call for very precise,
accurate and fast measurement of the movement of the chassis. This
is a perfect application for the AS5162, a high-sensitivity,
low-noise position sensor,’ said Bernd Gessner, vice-president and
general manager of the automotive business unit at ams. ‘And ams
provides fully traceable data to support automotive manufacturers’
functional safety design practices, helping to minimize the effort
required to comply with ISO26262.’
Download Press Picture or Block Diagram of this IC at
http://www.ams.com/eng/Press/Press-Releases/AS5162_Position_Sensor
ams AGPatricia Moosburger, Media Relations+43 (0) 3136 500
31235press@ams.comwww.ams.com
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