Vishay Intertechnology Proximity and Ambient Light Sensor Offers Long-Distance Proximity Detection to 1 Meter
September 26 2016 - 11:00AM
The Optoelectronics group of Vishay Intertechnology, Inc.
(NYSE:VSH) today introduced a new high-sensitivity proximity and
ambient light sensor with long-distance proximity detection up to 1
m. Featuring Filtron™ technology in a compact 8 mm by 3 mm by 1.8
mm surface-mount package, the Vishay Semiconductors VCNL4100
combines a high-power IR emitter, photo detectors for proximity and
ambient light, a signal processing IC, and an 8-bit / 16-bit ADC.
The three-in-one sensor features an interrupt function and supports
I²C bus communication interface for smart home, industrial, and
office applications.
Offering a fivefold increase in proximity detection over
previous-generation devices, the VCNL4100 provides presence
detection for display activation in printers, copiers, and home
appliances; collision avoidance in toys and robots; lighting
control in offices, corridors, and public buildings; lavatory
appliance activation; and vehicle occupancy detection in parking
lots. Containing the circuitry needed for these applications in one
device, the sensor eliminates the need for additional light
barriers and optical alignment of the IR emitter and photo diode.
The device’s small outline saves space and gives design engineers
greater flexibility in where and how they locate the sensor.
The ambient light and proximity sensors of the VCNL4100 operate
in a parallel structure, and each offers a programmable interrupt
function with high and low thresholds that allow the sensor to wake
up an application from a low-power mode, reducing the overall power
consumption of an application. The device’s Filtron technology
enables ambient light spectral sensitivity close to that of the
human eye while offering excellent background light cancellation
capabilities.
The VCNL4100’s built-in ambient light photo diode offers
detection from 0.01 lx to 5.2 klx, allowing the device to operate
in applications with dark or high-transparency lens designs. The
16-bit sensor offers fluorescent light flicker immunity and
excellent temperature compensation from -40 °C to +85 °C. The
VCNL4100’s 8-bit proximity sensor uses intelligent cancellation to
eliminate cross-talk, while a smart persistence scheme ensures
accurate sensing and faster response time. The emitter wavelength
peaks at 940 nm and has no visible “red-tail.”
The device offers a supply voltage range of 2.5 V to 3.6 V and
I²C bus voltage range from 1.8 V to 3.6 V. Offered in a lead
(Pb)-free 10-pin molded package, the sensor is RoHS-compliant,
halogen-free, and Vishay Green.
Samples and production quantities of the new VCNL4100 are
available now, with lead times of eight to 12 weeks for large
orders.
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Vishay Intertechnology, Inc., a Fortune 1000
Company listed on the NYSE (VSH), is one of the world's largest
manufacturers of discrete semiconductors (diodes, MOSFETs, and
infrared optoelectronics) and passive electronic components
(resistors, inductors, and capacitors). These components are used
in virtually all types of electronic devices and equipment, in the
industrial, computing, automotive, consumer, telecommunications,
military, aerospace, power supplies, and medical markets. Vishay’s
product innovations, successful acquisition strategy, and "one-stop
shop" service have made it a global industry leader. Vishay can be
found on the Internet at www.vishay.com.
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and ambient light sensor offers long-distance proximity detection
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Link to product
datasheet:http://www.vishay.com/ppg?84319 (VCNL4100)
Link to product
photo:https://www.flickr.com/photos/vishay/29012269084/sizes/l
For more information please contact:
Vishay Intertechnology
Peter Henrici, +1 408 567-8400
peter.henrici@vishay.com
or
Redpines
Bob Decker, +1 415 409-0233
bob.decker@redpinesgroup.com
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