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. 161-2220
Mfr. Part No.EKMC1605111
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. 919-8872
Mfr. Part No.TCA505BGGEGXUMA1
BrandInfineon
HK$16.017
Each (On a Reel of 2500)
units
Inductive 5 kHz 60mA 41 V - Analogue Emitter Follower, Open Collector, Push-Pull Surface Mount SOIC 16 840 μA 10 x 4 x 1.45mm 1.45mm 10mm
RS Stock No. 161-2148
Mfr. Part No.VCNL4035X01-GS08
BrandVishay
HK$10.96
Each (In a Pack of 2)
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. 161-2218
Mfr. Part No.EKMB1305111K
BrandPanasonic
HK$125.902
Each (In a Box of 50)
units
Pyroelectric Infrared Sensor - 100µA - 5m Digital Digital Through Hole - 3 6 μA 26 x 13.3 x 16.6mm 16.6mm 26mm
RS Stock No. 135-7096
Mfr. Part No.EKMB1193111
BrandPanasonic
HK$164.12
Each
units
Pyroelectric Infrared Sensor - 100µA 0.5 V 2.2m Digital Digital Through Hole - 3 1 μA 11 (Base) x 17.2 (H) mm, 14.9 (Top) mm 17.2mm -
RS Stock No. 165-2247
Mfr. Part No.MTCH101-I/OT
BrandMicrochip
HK$2.634
Each (In a Bag of 3000)
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. 892-0031
Mfr. Part No.Si1146-M01-GMR
HK$27.07
Each (In a Pack of 2)
units
Proximity Sensor - - - 1 → 50cm Digital Open Drain Surface Mount QFN 10 - 4.9 x 2.85 x 1.2mm 1.2mm 4.9mm
RS Stock No. 122-6793
Mfr. Part No.VCNL4020-GS08
BrandVishay
HK$1,059.22
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. 161-2233
Mfr. Part No.EKMB1205112
BrandPanasonic
HK$194.68
Each
units
Pyroelectric Infrared Sensor - 100µA - 5m Digital Digital Through Hole - 3 2 μA 26 x 13.3 x 16.6mm 16.6mm 26mm
RS Stock No. 174-2515
Mfr. Part No.VCNL4020C-GS08
BrandVishay
THB632.12
Each (On a Reel of 3300)
units
- 3400 Hz - - 20mm Digital Open Drain Surface Mount SMD 10 2 μA 4.9 x 2.4 x 0.83mm 0.83mm 4.9mm
RS Stock No. 137-0763
Mfr. Part No.CAP1296-1-AIA-TR
BrandMicrochip
HK$711.43
Each (On a Reel of 5000)
units
Capacitive - 8mA 0.4 V - Analogue, Digital Analogue, Digital Surface Mount DFN 10 750 μA 3.1 x 3.1 x 0.85mm 0.85mm 3.1mm
New
RS Stock No. 188-5388
Mfr. Part No.CY8CMBR3116-LQXI
HK$684.01
Each (In a Tray of 490)
units
Capacitive 400 (Clock) MHz -1 (High Level) mA, 10 (Low Level) mA 0.6 (Low Level) V 30cm Analogue PWM Surface Mount QFN 24 140 mA 4 x 4 x 0.55mm 0.55mm 4mm
RS Stock No. 135-7108
Mfr. Part No.EKMC1603113
BrandPanasonic
HK$3,959.64
Each
units
Pyroelectric Infrared Sensor - 100µA 0.5 V 12m Digital Digital Through Hole - 3 170 μA 11 (Base) x 20.2 (H) mm, 22 (Top) mm 20.2mm -
RS Stock No. 135-7067
Mfr. Part No.EKMB1193113
BrandPanasonic
HK$1,311.42
Each (In a Box of 50)
units
Pyroelectric Infrared Sensor - 100µA 0.5 V 2.2m Digital Digital Through Hole - 3 1 μA 11 (Base) x 17.2 (H) mm, 14.9 (Top) mm 17.2mm -
RS Stock No. 161-2679
Mfr. Part No.LC717A10AR-NH
THB348.22
Each (In a Pack of 5)
units
Capacitive 186 kHz - - - Digital Digital Surface Mount VCT 28 1.6 mA 3.5 x 3.5 x 0.765mm 0.77mm 3.5mm
RS Stock No. 161-2226
Mfr. Part No.EKMB1105111
BrandPanasonic
THB17.283
Each
units
Pyroelectric Infrared Sensor - 100µA - 5m Digital Digital Through Hole - 3 1 μA 26 x 13.3 x 16.6mm 16.6mm 26mm
RS Stock No. 161-2214
Mfr. Part No.EKMB1301111K
BrandPanasonic
THB771.33
Each (In a Box of 50)
units
Pyroelectric Infrared Sensor - 100µA - 5m Digital Digital Through Hole TO-5 3 6 μA 11 (Dia.) x 14.4mm 14.4mm -
RS Stock No. 135-7103
Mfr. Part No.EKMB1293111
BrandPanasonic
HK$2,362.05
Each
units
Pyroelectric Infrared Sensor - 100µA 0.5 V 2.2m Digital Digital Through Hole - 3 2 μA 11 (Base) x 17.2 (H) mm, 14.9 (Top) mm 17.2mm -
RS Stock No. 135-7112
Mfr. Part No.EKMB1393113K
BrandPanasonic
HK$105.76
Each
units
Pyroelectric Infrared Sensor - 100µA 0.5 V 2.2m Digital Digital Through Hole - 3 6 μA 11 (Base) x 17.2 (H) mm, 14.9 (Top) mm 17.2mm -
RS Stock No. 135-7099
Mfr. Part No.EKMC1601112
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 -
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