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 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. 161-2223
Mfr. Part No.EKMB1101112
BrandPanasonic
HK$280.08
Each
units
Pyroelectric Infrared Sensor - 100µA - 5m Digital Digital Through Hole TO-5 3 1 μA 11 (Dia.) x 14.4mm 14.4mm -
RS Stock No. 128-8882
Mfr. Part No.BD9251FV-E2
BrandROHM
HK$7.47
Each (In a Pack of 5)
units
Pyroelectric Infrared Sensor - 30 (Source) μA, 200 (Sink) μA 2.3 V - Analogue Open Drain Surface Mount SSOP-B 14 400 μA 5 x 4.4 x 1.05mm 1.05mm 5mm
RS Stock No. 161-2049
Mfr. Part No.VCNL4200
BrandVishay
HK$11.30
Each (On a Reel of 2500)
units
- 400 kHz - - 1.5m Digital - Surface Mount SMD 10 350 μA 8 x 3 x 1.8mm 1.8mm 8mm
RS Stock No. 165-2432
Mfr. Part No.VCNL4020-GS08
BrandVishay
HK$11.818
Each (On a Reel of 3300)
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. 910-7355
Mfr. Part No.APDS-9960
BrandBroadcom
HK$12.46
Each (In a Pack of 2)
units
Proximity Sensor 400 kHz - 3.8 V 10cm Digital Open Drain Surface Mount - 8 250 μA 3.94 x 2.36 x 1.35mm 1.35mm 3.94mm
RS Stock No. 161-2205
Mfr. Part No.EKMB1103112
BrandPanasonic
HK$172.338
Each (In a Box of 50)
units
Pyroelectric Infrared Sensor - 100µA - 12m Digital Digital Through Hole TO-5 3 1 μA 22 (Dia.) x 20.2mm 20.2mm -
RS Stock No. 135-7094
Mfr. Part No.EKMC1693113
BrandPanasonic
HK$85.22
Each
units
Pyroelectric Infrared Sensor - 100µA 0.5 V 2.2m Digital Digital Through Hole - 3 170 μA 11 (Base) x 17.2 (H) mm, 14.9 (Top) mm 17.2mm -
RS Stock No. 798-5273
Mfr. Part No.MTCH101-I/OT
BrandMicrochip
HK$2.80
Each (In a Pack of 25)
units
Proximity Sensor - 25mA - - Analogue, Digital Open Drain Surface Mount SOT-23 6 25 mA 3.1 x 1.8 x 1.3mm 1.3mm 3.1mm
RS Stock No. 161-2048
Mfr. Part No.VCNL4035X01-GS08
BrandVishay
HK$9.018
Each (On a Reel of 1800)
units
- 400 kHz - 5 V 500mm Digital - Surface Mount SMD 8 300 μA 4 x 2.36 x 0.75mm 0.75mm 4mm
RS Stock No. 175-1110
Mfr. Part No.VL53L1CXV0FY/1
HK$55.05
Each
units
- - - - - - - - - - - - - -
RS Stock No. 161-2221
Mfr. Part No.EKMC1605112
BrandPanasonic
HK$117.74
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. 122-6794
Mfr. Part No.VCNL4020X01-GS08
BrandVishay
HK$27.122
Each (In a Pack of 5)
units
- - - - 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. 177-1845
Mfr. Part No.CAP1298-1-SL
BrandMicrochip
HK$7.74
Each (In a Pack of 10)
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. 135-7095
Mfr. Part No.EKMC1601111
BrandPanasonic
HK$92.82
Each
units
Pyroelectric Infrared Sensor - 100µA 0.5 V 5m Digital Digital Through Hole - 3 170 μA 9.5 (Top) mm, 11 (Base) x 14.4 (H) mm 14.4mm -
RS Stock No. 714-2704
Mfr. Part No.APDS-9702-020
BrandBroadcom
HK$20.76
Each
units
Proximity Sensor - - 0.3 V - Analogue, Digital - Surface Mount QFN 8 - 2 x 2 x 0.5mm 0.5mm 2mm
RS Stock No. 161-2225
Mfr. Part No.EKMB1103112
BrandPanasonic
HK$221.10
Each
units
Pyroelectric Infrared Sensor - 100µA - 12m Digital Digital Through Hole TO-5 3 1 μA 22 (Dia.) x 20.2mm 20.2mm -
RS Stock No. 124-2973
Mfr. Part No.CY8CMBR3102-SX1I
HK$11.294
Each (In a Pack of 10)
units
Proximity Sensor - 85mA 0.6 (Low Level) V 30cm Analogue Open Drain Surface Mount SOIC 8 25 mA 4.97 x 3.98 x 1.47mm 1.47mm 4.97mm
New
RS Stock No. 188-5384
Mfr. Part No.CY8CMBR3102-SX1I
HK$10.655
Each (In a Tube of 97)
units
Capacitive 400 (Clock) MHz -1 (High Level) mA, 10 (Low Level) mA 0.6 (Low Level) V 30cm Analogue PWM Surface Mount SOIC 8 140 mA 4.97 x 3.98 x 1.48mm 1.48mm 4.97mm
RS Stock No. 805-1766
Mfr. Part No.NCS36000DRG
HK$6.23
Each (On a Tape of 10)
units
- - - - - - CMOS Surface Mount SOIC 14 - 8.75 x 4 x 1.5mm 1.5mm 8.75mm
RS Stock No. 122-6795
Mfr. Part No.VCNL4040M3OE
BrandVishay
HK$17.963
Each (In a Pack of 10)
units
- - - - 200mm Digital Digital, Open Drain Surface Mount - 8 200 (IRED Pulse) mA 4 x 2 x 1.1mm 1.1mm 4mm
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