Proximity Sensor ICs

Proximity Sensor ICs are used for object detection within a defined distance of the sensor. The proximity sensor sits within a circuit and provides output signals to trigger other functions. Proximity sensor ICs (integrated circuits) are components which are to be designed into PCBs.

Where are they used?

Proximity sensors ICs are designed into circuits for various non-contact sensing applications. They are often used in machine automation, mobile phones, proximity alarm systems, parking sensors as well as in military applications.

Types of Proximity Sensors

Various proximity sensor ICs are available, using a range of sensing technologies. These detection types benefit various applications depending on the users end goal and the system requirements. Some of the main proximity sensors use inductive, capacitive or infrared sensing depending on their application or sensing environment.

What are inductive proximity sensors?

Inductive sensors are used to detect metallic objects. Using a simple electromagnetic field, the sensor monitors the rise and fall of oscillation when a metallic object comes within the sensing range. This variation is monitored by a threshold circuit that can generate the relevant output signal when triggered. Operating ranges will vary depending on the shape and size of the sensor as well as the types of material that expect to be monitored by the sensor.

What are capacitive proximity sensors?

Capacitive sensors can be used for both metal and non-conductive objects. They offer Capacitive sensors use an electrical field to detect objects. Any changes in capacitance in the sensing area are detected by the sensor, which then changes state.

Example of proximity sensing:

Many smartphones today feature proximity sensing. An example of this is when you hold your phone to your ear, the sensor will detect this as an object in close proximity. This detection then triggers the screen to switch off. Proximity sensors are also used in switches, for example with hand gestures.


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Description Price Sensor Type Maximum Switching Frequency Maximum Output Current Maximum Output Voltage Sensing Distance Switching Mode Output Type Mounting Type Package Type Pin Count Maximum Supply Current Dimensions Height Length
RS Stock No. 121-9926
Mfr. Part No.NCS36000DRG
$0.587
Each (On a Reel of 3000)
units
Proximity Sensor - - - - - CMOS Surface Mount SOIC 14 - 8.75 x 4 x 1.5mm 1.5mm 8.75mm
RS Stock No. 753-2664
Mfr. Part No.NCS36000DG
$1.42
Each
units
- - - - - - - Surface Mount SOIC 14 - 8.75 x 4 x 1.75mm 1.75mm 8.75mm
RS Stock No. 805-1766
Mfr. Part No.NCS36000DRG
$1.271
Each (On a Tape of 10)
units
Proximity Sensor - - - - - CMOS Surface Mount SOIC 14 - 8.75 x 4 x 1.5mm 1.5mm 8.75mm
RS Stock No. 892-0031
Mfr. Part No.Si1146-M01-GMR
$5.55
Each (In a Pack of 2)
units
Proximity Sensor - - - 1 to 50cm Digital Open Drain Surface Mount QFN 10 - 4.9 x 2.85 x 1.2mm 1.2mm 4.9mm
RS Stock No. 170-3445
Mfr. Part No.NCS36000DG
$1.207
Each (In a Tray of 55)
units
Ambient Light, Proximity Sensor - - - - - - Surface Mount SOIC 14 - 8.75 x 4 x 1.75mm 1.75mm 8.75mm
RS Stock No. 165-2433
Mfr. Part No.VCNL4020X01-GS08
BrandVishay
$2.111
Each (On a Reel of 3300)
units
Proximity Sensor - - - 200mm Digital Digital, Open Drain Surface Mount - 10 200 (LED Pulse) mA 4.9 x 2.4 x 0.83mm 0.83mm 4.9mm
RS Stock No. 122-6793
Mfr. Part No.VCNL4020-GS08
BrandVishay
$5.286
Each (In a Pack of 5)
units
Ambient Light, Proximity Sensor - - - 200mm Digital Digital, Open Drain Surface Mount - 10 200 (LED Pulse) mA 4.9 x 2.4 x 0.83mm 0.83mm 4.9mm
RS Stock No. 124-2976
Mfr. Part No.CY8CMBR3116-LQXI
$4.222
Each (In a Pack of 5)
units
Capacitive - 85mA 0.6 (Low Level) V 300mm Analogue Open Drain Surface Mount QFN 24 25 mA 4 x 4 x 0.55mm 0.55mm 4mm
RS Stock No. 169-0196
Mfr. Part No.SI1141-M01-GMR
$3.39
Each (On a Tape of 100)
units
Proximity Sensor - - - 1 to 50cm Digital Open Drain Surface Mount QFN 10 - 4.9 x 2.85 x 1.2mm 1.2mm 4.9mm
RS Stock No. 165-2432
Mfr. Part No.VCNL4020-GS08
BrandVishay
$1.943
Each (On a Reel of 3300)
units
Proximity Sensor - - - 200mm Digital Digital, Open Drain Surface Mount - 10 200 (LED Pulse) mA 4.9 x 2.4 x 0.83mm 0.83mm 4.9mm
RS Stock No. 188-5388
Mfr. Part No.CY8CMBR3116-LQXI
$3.131
Each (In a Tray of 490)
units
Capacitive 400 (Clock) MHz -1 (High Level) mA, 10 (Low Level) mA 0.6 (Low Level) V 300mm Analogue PWM Surface Mount QFN 24 140 mA 4 x 4 x 0.55mm 0.55mm 4mm
RS Stock No. 907-4763
Mfr. Part No.VL6180XV0NR/1
$6.53
Each (In a Pack of 2)
units
Proximity Sensor - - - - - - Surface Mount LGA 12 - 4.8 x 2.8 x 1mm 1mm 4.8mm
RS Stock No. 165-8100
Mfr. Part No.VL6180XV0NR/1
$3.538
Each (On a Reel of 5000)
units
Proximity Sensor - - - - - - Surface Mount LGA 12 - 4.8 x 2.8 x 1mm 1mm 4.8mm
RS Stock No. 188-5387
Mfr. Part No.CY8CMBR3110-SX2I
$2.822
Each (In a Tube of 48)
units
Capacitive 400 (Clock) MHz -1 (High Level) mA, 10 (Low Level) mA 0.6 (Low Level) V 300mm Analogue PWM Surface Mount SOIC 16 140 mA 9.98 x 3.98 x 1.48mm 1.48mm 9.98mm
RS Stock No. 124-2975
Mfr. Part No.CY8CMBR3110-SX2I
$3.34
Each (In a Pack of 5)
units
Capacitive - 85mA 0.6 (Low Level) V 300mm Analogue Open Drain Surface Mount SOIC 16 25 mA 9.98 x 3.98 x 1.47mm 1.47mm 9.98mm
RS Stock No. 892-0016
Mfr. Part No.Si1141-M01-GMR
$4.12
Each (In a Pack of 2)
units
Proximity Sensor - - - 1 to 50cm Digital Open Drain Surface Mount QFN 10 - 4.9 x 2.85 x 1.2mm 1.2mm 4.9mm
RS Stock No. 122-6794
Mfr. Part No.VCNL4020X01-GS08
BrandVishay
$4.966
Each (In a Pack of 5)
units
Proximity Sensor - - - 200mm Digital Digital, Open Drain Surface Mount - 10 200 (LED Pulse) mA 4.9 x 2.4 x 0.83mm 0.83mm 4.9mm
RS Stock No. 205-5826
Mfr. Part No.PL-001L-N
BrandKEMET
$2.678
Each (In a Tray of 100)
units
Pyroelectric Infrared Sensor - - - 5000mm - - - Tray 4 - - - -
RS Stock No. 204-3345
Mfr. Part No.D6T-32L-01A
BrandOmron
$224.116
Each (In a Tray of 50)
units
Thermal Sensor - - - 3m - - - Module 4 - - - -
RS Stock No. 135-7113
Mfr. Part No.EKMC1693111
BrandPanasonic
$15.43
Each
units
Pyroelectric Infrared Sensor - 100µA 0.5 V 2.2m Digital Digital Through Hole - 3 170 μA 11 x 17.2 x 14.9mm 17.2mm -