ams Launches World’s Smallest Ambient Light Sensor for Next Generation Thinner Wearable Products
April 29 2015 - 3:10AM
Business Wire
Integrated on-chip interference filters reject IR producing a
near-photopic response
ams AG (SIX: AMS), a leading provider of high performance
sensors and analog ICs, today introduced the TSL2584TSV, an ambient
light sensor (ALS) in a through-silicon via (TSV) package which has
a footprint of just 1.145 x 1.66 mm and a height of 0.32 mm.
In display management applications, automatically controlling
the backlight intensity with an ALS ensures the best possible user
experience while extending battery life. The new TSL2584TSV’s
outline and height are approximately half the size of competing ALS
devices, making it the world’s smallest ALS.
ams’ has leveraged its wafer fabrication expertise to include
TSV packaging technology as part of its light sensor portfolio.
This TSV package technology improves performance by eliminating use
of wire bonds and provides a direct connection from the device I/Os
to a solder ball. TSV enhances the device reliability performance
with a Moisture Sensitivity Level-1 standard rating, improves
Humidity Temperature-Cycling performance while minimizing corrosion
resistivity.
The TSL2584TSV’s near-photopic response produces a highly
accurate lux measurement even when mounted behind dark glass.
Advanced fabrication technology and the ability to accurately
deposit interference filters directly onto the silicon results in a
superior performing ALS. Filtering out unwanted IR light enables
the sensor to more accurately measure the ambient light thus
producing a near-photopic response.
‘By providing the world’s smallest ambient light sensor, ams now
enables designers of wearable devices such as smart watches and
fitness bands to easily integrate ambient light sensors into the
thinnest backlight displays,’ said David Moon, senior marketing
manager in the Advanced Optical Solutions division of ams. ‘The
ultra small size of the TSL2584TSV also provides smartphones and
tablet developers more design flexibility. With a footprint of less
than 2 mm2 and a height of only 0.32 mm the TSL2584TSV marks a
major milestone in the development of ALS solutions, opening up
many new options for implementing display management in highly
space-constrained designs.’
The TSL2584TSV is available for volume production today. It is
priced at $0.58 each in order quantities of 1,000 pieces.
A TSL2584TSV Evaluation Kit is available . To request samples
and for more technical information, visit
www.ams.com/ambient-light-sensors/TSL2584TSV.
Download press picture and block diagram at
http://www.ams.com/eng/Press/Press-Releases/
amsPatricia Moosburger, Media Relationsphone: +43 (0)
3136 500 31235press@ams.comwww.ams.com
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