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Vishay’s Fully Integrated Proximity Sensors Supply Increased Efficiency in Consumer and Industrial Applications

Vishay Semiconductors VCNL36821S and VCNL36826S Digital Proximity Sensors with I2C Interface

New Yorker Electronics releases new Long-Life Ceramic Diode Features Compact 3.5mm x 3.5mm x 1.2mm SMD Package

June 24, 2020 - New Yorker Electronics has introduced two fully integrated proximity sensors from Vishay Optoelectronics. These sensors, designed to increase efficiency and performance in consumer and industrial applications, feature an IR emitter and a vertical cavity surface-emitting laser (VCSEL), respectively.

Vishay Semiconductors VCNL36821S and VCNL36826S Digital Proximity Sensors with I2C Interface

Part Number Information
VCNL36821S
VCNL36826S

The Vishay Semiconductors VCNL36821S and VCNL36826S each combine a photodiode, signal processing IC, and 12-bit ADC in a compact 2.55 mm by 2.05 mm by 1.0 mm surface-mount package.

The proximity sensors released by New Yorker Electronics are geared toward space-constrained battery-powered applications. One important application is detecting whether or not users are wearing ear pods or virtual reality / augmented reality (VR / AR) headsets. With ranges to 300mm, they also provide collision detection in toys and consumer/industrial robots. The VCNL36821S and VCNL36826S feature low power consumption down to 6µA to increase efficiency in these applications.

The devices support the I2C bus communication interface for easy access to the proximity signal, while their programmable interrupt function allows designers to specify high and low thresholds to reduce the continuous communication with the microcontroller. The proximity sensors use intelligent cancellation to eliminate cross-talk, while a smart persistence scheme ensures accurate sensing and faster response time. The IRED and VCSEL wavelengths peak at 940nm and have no visible “red-tail.”

The VCNL36821S and VCNL36826S offer excellent temperature compensation from -40 °C to +85 °C, and have a Moisture Sensitivity Level (MSL) of 3 — in accordance with J-STD-020 — for a floor life of 168 hours. The sensors are RoHS-compliant, halogen-free, and Vishay Green.

New Yorker Electronics supplies Vishay Optoelectronics Optocouplers, Optical Sensors, 7-Segment Displays, Infrared Receivers, Solid-State Relays, LCD Displays, Visible LEDs, Infrared Emitters, Plasma Displays, Photo Detectors, IrDA Transceivers and Infrared Touch Panels.

Features & Benefits:

Package type: surface-mount
Dimensions (L x W x H in mm): 2.55 x 2.05 x 1.0
VCNL36821S: Integrated modules: infrared emitter (IRED), proximity sensor (PS), and signal conditioning IC
VCNL36826S: Integrated modules: vertical cavity surface emitting laser (VCSEL), proximity sensor (PS), and signal conditioning IC
Interrupt function
Smallest light hole opening design
Immunity to red glow issue (940 nm)
Supply voltage range VDD: 1.7 V to 3.6 V
Low power consumption I2C (SMBus compatible interface)
Floor life: 168 h, MSL 3, according to J-STD-020

Applications:

Medical Disinfection
Physical Surface Sterilization
Water and Air Purification
Portable Sanitizers

Data Sheets:

VCNL36821S
VCNL36826S

RELATED TOPICS -- ELECTRONIC COMPONENT:

Vishay Semiconductor Optoelectronic Sensor Vishay VEML6075 UVA/UVB Light Sensor Vishay VTVS 400W TransZorb TVS Diodes

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