CP21xx Smart Interface ICs

Silicon Labs CP21xx Smart Interface ICs leverage Silicon Labs' world-class mixed-signal design expertise to provide a family of high-performance interface devices that enable designers to differentiate their products and speed time-to-market. These mixed-signal IC products span different technologies and standards to enable quick and effective communication between two devices or functionalities. These devices include USB to UART bridges, ISB to I2S digital audio bridges, HID USB to SMBus/I2C bridges, and SPI to I2C bridge with GPIO port expanders, and USB to SPI bridges.

Types of Interface ICs

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Results: 22
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS Product Type Product Type Interface Type Mounting Style Package/Case
Silicon Labs I/O Controller Interface IC HID USB to UART Bridge QFN24 26.035In Stock
Rp91.179,62
Rp69.531,34
Rp64.027,54
Rp58.156,82
Min.: 1
Mult.: 1
I/O Controller Interface IC SMD/SMT QFN-24

Silicon Labs I/O Controller Interface IC HID USB to UART bridge 3.254In Stock
Cut Tape
Rp93.931,52
Rp71.549,40
Rp65.862,14
Rp59.807,96
Reel
Rp53.570,32
Min.: 1
Mult.: 1
: 2.500
I/O Controller Interface IC HID USB to UART Bridges UART SMD/SMT QFN-28
Silicon Labs USB Interface IC USB to UART Bridge QFN28 49.861In Stock
Cut Tape
Rp179.423,88
Rp134.843,10
Rp126.037,02
Rp116.313,64
Reel
Rp104.205,28
Min.: 1
Mult.: 1
: 2.500
USB Interface IC USB Controllers Bridge, USB to UART USB, UART SMD/SMT QFN-28
Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20 10.121In Stock
31.420On Order
Rp72.650,16
Rp64.944,84
Rp51.735,72
Rp49.350,74
Min.: 1
Mult.: 1
USB Interface IC USB Controllers Bridge, USB to UART UART SMD/SMT QFN-20
Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20 33.851In Stock
63.000Expected 04/12/2026
Cut Tape
Rp83.290,84
Rp62.743,32
Rp57.606,44
Rp52.102,64
Reel
Rp44.947,70
Min.: 1
Mult.: 1
: 2.500
USB Interface IC USB Controllers Bridge, USB to UART UART SMD/SMT QFN-20
Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28 3.542In Stock
6.305Expected 12/11/2026
Rp232.260,36
Rp180.891,56
Rp162.912,48
Rp153.005,64
Min.: 1
Mult.: 1
I/O Controller Interface IC SMD/SMT MLP-28
Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24 19.313In Stock
Cut Tape
Rp93.931,52
Rp72.099,78
Rp66.412,52
Rp60.358,34
Reel
Rp51.185,34
Min.: 1
Mult.: 1
: 2.500
I/O Controller Interface IC USB to UART Bridges UART SMD/SMT QFN-24

Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64 4.900In Stock
32.500Expected 15/01/2027
Cut Tape
Rp246.937,16
Rp191.348,78
Rp177.589,28
Rp162.729,02
Rp159.243,28
Reel
Rp144.199,56
Min.: 1
Mult.: 1
: 2.500
I/O Controller Interface IC SMD/SMT QFN-64
Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24 5.474In Stock
9.555Expected 15/01/2027
Rp91.546,54
Rp69.714,80
Rp64.211,00
Rp58.156,82
Min.: 1
Mult.: 1
USB Interface IC USB Controllers Bridge, USB to SMBus SMBus, USB SMD/SMT QFN-24
Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24 1.976In Stock
3.822Expected 15/01/2027
Rp96.316,50
Rp73.384,00
Rp67.696,74
Rp61.275,64
Min.: 1
Mult.: 1
I/O Controller Interface IC SMD/SMT QFN-24
Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24 4.354In Stock
9.555Expected 15/01/2027
Rp91.546,54
Rp69.714,80
Rp64.211,00
Rp58.156,82
Min.: 1
Mult.: 1
I/O Controller Interface IC SMD/SMT QFN-24

Silicon Labs I/O Controller Interface IC HID USB to UART bridge 2.507In Stock
2.500Expected 12/03/2027
Cut Tape
Rp93.748,06
Rp70.999,02
Rp65.128,30
Rp57.239,52
Reel
Rp49.534,20
Min.: 1
Mult.: 1
: 2.500
I/O Controller Interface IC HID USB to UART Bridges UART SMD/SMT QFN-24
Silicon Labs I/O Controller Interface IC HID USB to UART Bridge QFN28 642In Stock
Rp93.931,52
Rp71.549,40
Rp65.862,14
Rp59.807,96
Min.: 1
Mult.: 1
I/O Controller Interface IC SMD/SMT QFN-28
Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24 57In Stock
22.932On Order
Rp96.499,96
Rp73.200,54
Rp61.275,64
Rp57.789,90
Min.: 1
Mult.: 1
USB Interface IC USB Controllers Bridge, USB to UART UART SMD/SMT QFN-24
Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24 57In Stock
66.000On Order
Cut Tape
Rp100.169,16
Rp75.952,44
Rp69.898,26
Rp51.001,88
Reel
Rp45.131,16
Min.: 1
Mult.: 1
: 2.500
USB Interface IC USB Controllers Bridge, USB to UART UART SMD/SMT QFN-24
Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28 18In Stock
8.000On Order
Cut Tape
Rp219.418,16
Rp212.263,22
Rp159.977,12
Rp146.951,46
Reel
Rp134.659,64
Min.: 1
Mult.: 1
: 2.500
I/O Controller Interface IC SMD/SMT MLP-28
Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24 50In Stock
48.500On Order
Cut Tape
Rp98.701,48
Rp73.934,38
Rp67.696,74
Rp57.973,36
Reel
Rp51.185,34
Min.: 1
Mult.: 1
: 2.500
I/O Controller Interface IC USB to Dual UART Bridges UART SMD/SMT QFN-24
Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24 50In Stock
17.500On Order
Cut Tape
Rp94.848,82
Rp71.549,40
Rp65.862,14
Rp59.624,50
Reel
Rp52.286,10
Min.: 1
Mult.: 1
: 2.500
USB Interface IC USB Controllers Bridge, USB to SMBus SMBus, USB SMD/SMT QFN-24
Silicon Labs USB Interface IC USB to UART Bridge QFN28
3.016Expected 25/12/2026
Rp191.348,78
Rp147.685,30
Rp134.109,26
Rp128.972,38
Min.: 1
Mult.: 1
USB Interface IC USB Controllers Bridge, USB to UART USB, UART SMD/SMT QFN-28
Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
22.061Expected 01/01/2027
Rp98.334,56
Rp74.668,22
Rp63.660,62
Rp60.908,72
Min.: 1
Mult.: 1
USB Interface IC USB Controllers Bridge, USB to UART UART SMD/SMT QFN-28
Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
83.320On Order
Cut Tape
Rp64.577,92
Rp60.541,80
Rp55.771,84
Rp53.019,94
Reel
Rp39.076,98
Min.: 1
Mult.: 1
: 2.500
USB Interface IC USB Controllers Bridge, USB to UART UART SMD/SMT QFN-28

Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64
7.171On Order
Rp239.965,68
Rp187.863,04
Rp174.837,38
Rp160.527,50
Min.: 1
Mult.: 1
I/O Controller Interface IC I/O Controllers USB to Quad UART Bridge Serial SMD/SMT QFN-64