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. 177-1812
Mfr. Part No.CAP1293-1-SN
BrandMicrochip
kr 4,236
Each (In a Pack of 20)
Units
Capacitive 400 kHz - 0.4 V - - Open Drain Surface Mount SOIC 8 750 μA 4.9 x 3.9 x 1.5mm 1.5mm 4.9mm
RS Stock No. 161-2152
Mfr. Part No.VCNL4200
BrandVishay
kr 29,048
Each (In a Pack of 5)
Units
Ambient Light, Proximity Sensor 400 kHz - - 1.5m Digital - Surface Mount SMD 10 350 μA 8 x 3 x 1.8mm 1.8mm 8mm
RS Stock No. 135-7096
Mfr. Part No.EKMB1193111
BrandPanasonic
kr 102,43
Each
Units
Pyroelectric Infrared Sensor - 100µA 0.5 V 2.2m Digital Digital Through Hole - 3 1 μA 11 x 17.2 x 14.9mm 17.2mm -
RS Stock No. 161-2216
Mfr. Part No.EKMB1303111K
BrandPanasonic
kr 177,858
Each (In a Box of 50)
Units
Pyroelectric Infrared Sensor - 100µA - 12m Digital Digital Through Hole TO-5 3 6 μA 22 x 20.2mm 20.2mm -
RS Stock No. 135-7093
Mfr. Part No.EKMC1693112
BrandPanasonic
kr 88,93
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 -
RS Stock No. 755-3097
Mfr. Part No.Si1102-A-GMR
kr 23,33
Each
Units
Optical Proximity Detector - - - 500mm - PWM Surface Mount ODFN-8 8 10 μA 3 x 3 x 0.75mm 0.75mm 3mm
RS Stock No. 135-7078
Mfr. Part No.EKMC1601111
BrandPanasonic
kr 86,776
Each (In a Box of 50)
Units
Pyroelectric Infrared Sensor - 100µA 0.5 V 5m Digital Digital Through Hole - 3 170 μA 11 x 14.4 x 9.5mm 14.4mm -
New
RS Stock No. 210-3014
Mfr. Part No.TMF8801-1BM
Brandams
kr 62,595
Each (In a Pack of 2)
Units
Ambient Light - - 3.6 V 1700mm - - - OLGA 8 - - - -
RS Stock No. 205-5831
Mfr. Part No.PL-001L-BK
BrandKEMET
kr 67,07
Each (In a Pack of 2)
Units
Pyroelectric Infrared Sensor - - - 3.5mm - - - Tray 4 - - - -
RS Stock No. 205-5825
Mfr. Part No.PL-Q873-02
BrandKEMET
kr 139,97
Each
Units
Proximity Sensor - 20µA 0.55 V 5000mm - - - Tape & Reel 4 - - - -
RS Stock No. 161-2220
Mfr. Part No.EKMC1605111
BrandPanasonic
kr 115,65
Each
Units
Pyroelectric Infrared Sensor - 100µA - 5m Digital Digital Through Hole - 3 170 μA 26 x 13.3 x 16.6mm 16.6mm 26mm
RS Stock No. 161-2214
Mfr. Part No.EKMB1301111K
BrandPanasonic
kr 169,613
Each (In a Box of 50)
Units
Pyroelectric Infrared Sensor - 100µA - 5m Digital Digital Through Hole TO-5 3 6 μA 11 x 14.4mm 14.4mm -
RS Stock No. 188-5388
Mfr. Part No.CY8CMBR3116-LQXI
kr 16,17
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. 200-9789
Mfr. Part No.VCNL40303X01-GS08
BrandVishay
kr 46 193,45
1 Reel of 3300
Reel(s)
Proximity Sensor 400 kHz 200mA 3.6 V 300mm - - - QFN 8 - - - -
RS Stock No. 178-2948
Mfr. Part No.APDS-9702-020
BrandBroadcom
kr 11,195
Each (On a Reel of 2500)
Units
Proximity Sensor - - 0.3 V - Analogue, Digital - Surface Mount QFN 8 - 2 x 2 x 0.5mm 0.5mm 2mm
RS Stock No. 177-1528
Mfr. Part No.CAP1296-1-SL
BrandMicrochip
kr 5,935
Each (In a Tube of 57)
Units
Capacitive 400 kHz - 0.4 V - - Open Drain Surface Mount SOIC 14 750 μA 8.65 x 3.9 x 1.5mm 1.5mm 8.65mm
RS Stock No. 161-2223
Mfr. Part No.EKMB1101112
BrandPanasonic
kr 301,99
Each
Units
Pyroelectric Infrared Sensor - 100µA - 5m Digital Digital Through Hole TO-5 3 1 μA 11 x 14.4mm 14.4mm -
RS Stock No. 177-1527
Mfr. Part No.CAP1293-1-SN
BrandMicrochip
kr 4,443
Each (In a Tube of 100)
Units
Capacitive 400 kHz - 0.4 V - - Open Drain Surface Mount SOIC 8 750 μA 4.9 x 3.9 x 1.5mm 1.5mm 4.9mm
RS Stock No. 177-1526
Mfr. Part No.CAP1206-1-SL
BrandMicrochip
kr 5,249
Each (In a Tube of 57)
Units
Capacitive 400 kHz - 0.4 V - - Open Drain Surface Mount SOIC 14 750 μA 8.65 x 3.9 x 1.5mm 1.5mm 8.65mm
RS Stock No. 200-9791
Mfr. Part No.VCNL4030X01-GS08
BrandVishay
kr 35 947,26
1 Reel of 3300
Reel(s)
Proximity Sensor 400 kHz 200mA 3.6 V 300mm - - - QFN 8 - - - -