New-Tech Europe Magazine | June 2016

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New-Tech Magazine l 67
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Analog Devices’ Optical
Sensor Improves Reliability of
Gesture Recognition
Applications
Analog Devices, Inc. (ADI)
announced an optical sensor
for gesture recognition, which
improves sensing accuracy and
reliability over existing solutions
by measuring a subject’s position,
proximity, and gestures from a
single sensor. Competitive solutions
requiring multiple sensors are often
inaccurate, as the sensors “see”
objects differently from varying
angles making the signals difficult
to combine. The single-point
sensing used in the ADUX1020
optical sensor improves reliability of
the application and reduces design
complexity and cost for the system
developer by requiring fewer
components. Gesture recognition is
an emerging user interface method
in building and industrial control
panels, where a user interacts with
a device simply by motioning or
gesturing. It is especially important
in situations where touch-screen
interfaces are challenged, such as
in wet conditions, when a user is
wearing gloves, or when a control
panel is difficult to reach.
View the ADUX1020 product
page, download data sheets, order
samples and evaluation boards:
html
Learn about ADI’s optical sensor
product portfolio
products/sensors/optical-sensors.
html
Connect with engineers and ADI
product experts on EngineerZone®,
an online technical support
community:
welcome
In addition to single-point sensing,
the ADUX1020 optical sensor
features high ambient light rejection,
which allows reliable and accurate
operation under challenging lighting
conditions. This too results in a
more reliable application end user
experience. Other optical sensors
are often challenged by ambient
light from sources like full sun, high
frequency LED and fluorescents,
all of which can disrupt the
sensor’s ability to interpret gestures
accurately.
Analog Devices will be
demonstrating the ADUX1020
optical sensor in booth #516 at the
Sensors Expo & Conference, June
22-23 at the McEnery Convention
Center, San Jose, CA.
ON Semiconductor
Announces Sensorless
Three-Phase Motor Controller
for Automotive BLDC
Implementation
ON Semiconductor (Nasdaq:
ON ), has further expanded its
portfolio of motor controllers with
the introduction of the LV8907UW.
Supporting an operating voltage
range from 5.5 to 20 volts (4.5 to 40
V transient), this high performance
and feature-packed device enables
streamlined solutions for driving
three-phase brushless motors.
The LV8907UW integrates gate
drivers for six N-channel MOSFETs,
and a dual-stage charge pump for
100% duty-cycle operation. In its
lowest cost configuration the IC
can operate without an external
microcontroller. The device requires
no programming, as key parameters
and functions - such as startup and
speed setting - can be configured
via SPI interface and stored in
embedded non-volatile (OTP)
memory. Open-loop and closed-
loop speed control are possible.
For more complex applications the
LV8907UW can also support a small
microcontroller with its integrated
linear regulator (3.3V or 5V, 50mA),
a local interconnect network
(LIN) transceiver for automotive
connectivity, and a watchdog timer.
AEC-Q100 qualified, the
LV8907UW’s operational
temperature range reaches up to
175°C, thereby ensuring reliable
operation in challenging automotive
environments. Integrated protection