VCNL4100 Datasheet, PDF (1/17 Pages) Vishay Siliconix – High Sensitivity Long Distance Proximity and Ambient Light Sensor with I2C Interface

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VCNL4100
Vishay Semiconductors
High Sensitivity Long Distance Proximity and
Ambient Light Sensor with I²C Interface
DESCRIPTION
VCNL4100 integrates a high sensitivity long distance
proximity sensor (PS), ambient light sensor (ALS), and
940 nm IRED into one small package. It incorporates
photodiodes, amplifiers, and analog to digital converting
circuits into a single chip using a CMOS process. The 16-bit
high resolution ALS offers excellent sensing capabilities
with sufficient selections to fulfill most applications whether
a dark or high transparency lens design. VCNL4100 offers
individual programmable high and low threshold interrupt
features for the best utilization of resources and power
saving on the microcontroller. For the 8-bit proximity
sensing function, VCNL4100 has a built-in intelligent
cancellation scheme that eliminates background light
issues. The persistence feature prevents false judgment of
proximity sensing due to ambient light noise.
The adoption of the patented Filtron^TM technology achieves
the closest ambient light spectral sensitivity to real human
eye responses. VCNL4100 provides excellent temperature
compensation capability for keeping the output stable under
changing temperature. ALS and PS functions are easily
operated via the simple command format of I²C (SMBus
compatible) interface protocol. Operating voltage ranges
from 2.5 V to 3.6 V.
PIN DEFINITION
5
4
3
2
1
FEATURES
• Package type: surface mount
• Dimensions (L x W x H in mm): 8.0 x 3.0 x 1.8
• Integrated modules: infrared emitter (IRED),
ambient light sensor (ALS), proximity sensor
(PS), and signal conditioning IC
• Operates ALS and PS in parallel structure
• Filtron^TM technology adoption for robust
background light cancellation
• Supports low transmittance (dark) lens design
• Temperature compensation: -40 °C to +85 °C
• Low power consumption I²C (SMBus compatible)
interface
• Floor life: 168 h, MSL 3, according to J-STD-020
• Output type: I²C bus (ALS / PS)
• Operation voltage: 2.5 V to 3.6 V
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
PROXIMITY FUNCTION
• Immunity to red glow (940 nm IRED)
• Intelligent background light cancellation
• Smart persistence scheme to reduce PS response time
• Proximity distance up to 1 m
AMBIENT LIGHT FUNCTION
• Fluorescent light flicker immunity
• Spectrum close to real human eye responses
• Selectable maximum detection range (655 / 1311 / 2621 /
5243) lux with highest sensitivity 0.01 lux/step
INTERRUPT
• Programmable interrupt function for ALS and PS with
upper and lower thresholds
• Adjustable persistence to prevent false triggers for ALS
and PS
6
7
8
9
10
Top View
1
GND
6
2
LED_Cathode
7
3
V_DD
8
4
NC
9
5
LED-
10
LED+
NC
INT
SDAT
SCLK
APPLICATIONS
• Presence detection to activate displays in printers,
copiers, and home appliances
• Collision detection in robots and toys
• Proximity sensing and lighting control in offices, corridors
and public buildings
• Vehicle occupancy detection in parking lots
• Proximity detection in lavatory appliances
Rev. 1.2, 30-Aug-16
1
Document Number: 84319
For technical questions, contact: [e-mail]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000