Texas Instruments | How to select the right proximity sensor technology | Application notes | Texas Instruments How to select the right proximity sensor technology Application notes

Texas Instruments How to select the right proximity sensor technology Application notes
TI’s proximity
sensing
technology
Detection range
Resolution
Field of view
Narrow to wide
TI IC current
consumption
Active
Standby/sleep
Solution/module size
Aesthetics
Measuring Medium Speed
Single sensor system cost (US$)
Reliable
environments
Ultrasonic
Optical ToF
mmWave
0.1 to 10 m
0.01 to 20 m
0.04 to 100+ m
Few mm
(transducer dependent)
Few mm
(optics dependent)
Few mm
(range dependent)
5 o to 120 o
.15 o to 120 o
5 o to 160 o
72 mW to 336 mW
100 µW to 200 mW
0.5 W to 1.5 W
2-9 mW
~80 µW
N/A
Medium
Small
Large
Exposure to medium for
longer range
Hidden behind dark glass
Penetrates most materials
(not metal)
Sound
Light
Light
$1.00 - $3.00
$1.50 - $4.00
$18.00 - $26.00
Sunny
Smoke/gas
Pressure
High
temperature
Target
characteristics
Transparent
surface
Liquid/fluid
Irregular
shape
Light
Dark
Soft
Key differentiation
• T arget localization (up to
• L owest cost proximity
3 zones of detection)
and obstruction detection
• P recise long-range
solution
distance measurements
• E ffectively detect solid
• E xternal optics enable
and transparent glass
a highly customizable
surfaces
solution
• A ble to detect objects
in a smoke/gas-filled
environment
The platform bar is a trademark of Texas Instruments © 2019. All other trademarks are the property of their respective owners.
• P rovides range, velocity
and angle data
•C
an penetrate non-metal
materials
• I ntelligent object
differentiation
•N
ot effected by
environmental conditions
SLYU054
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