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

Change category view
Results: 22
Select Image Part # Mfr. Description Datasheet Availability Pricing (DKK) 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
31,85 kr.
24,32 kr.
22,38 kr.
20,37 kr.
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
32,82 kr.
24,99 kr.
23,05 kr.
20,89 kr.
Reel
18,72 kr.
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 50.442In Stock
Cut Tape
62,74 kr.
47,15 kr.
44,09 kr.
40,66 kr.
Reel
36,40 kr.
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 10.230In Stock
31.420On Order
25,44 kr.
22,68 kr.
18,13 kr.
17,23 kr.
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 34.099In Stock
63.000Expected 04/12/2026
Cut Tape
29,09 kr.
21,93 kr.
20,14 kr.
18,20 kr.
Reel
15,74 kr.
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
9.847Expected 04/11/2026
81,24 kr.
63,26 kr.
56,99 kr.
53,49 kr.
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
32,82 kr.
25,21 kr.
23,20 kr.
21,11 kr.
Reel
17,98 kr.
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
86,39 kr.
66,92 kr.
62,07 kr.
56,92 kr.
55,65 kr.
Reel
50,43 kr.
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
32,00 kr.
24,39 kr.
22,45 kr.
20,37 kr.
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
33,72 kr.
25,66 kr.
23,65 kr.
21,41 kr.
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 4.319In Stock
9.555Expected 15/01/2027
32,00 kr.
24,39 kr.
22,45 kr.
20,37 kr.
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
32,75 kr.
24,84 kr.
22,75 kr.
19,99 kr.
Reel
17,31 kr.
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
32,82 kr.
24,99 kr.
23,05 kr.
20,89 kr.
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
33,72 kr.
25,59 kr.
21,41 kr.
20,22 kr.
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
35,06 kr.
26,56 kr.
24,47 kr.
17,83 kr.
Reel
15,82 kr.
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
76,76 kr.
74,23 kr.
55,95 kr.
51,40 kr.
Reel
47,07 kr.
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
34,54 kr.
25,89 kr.
23,65 kr.
20,29 kr.
Reel
17,90 kr.
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
33,20 kr.
24,99 kr.
23,05 kr.
20,89 kr.
Reel
18,28 kr.
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
66,92 kr.
51,62 kr.
46,92 kr.
45,13 kr.
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
34,39 kr.
26,11 kr.
22,23 kr.
21,34 kr.
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
22,60 kr.
21,19 kr.
19,47 kr.
18,58 kr.
Reel
15,29 kr.
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 18In Stock
7.800On Order
83,93 kr.
65,72 kr.
61,17 kr.
56,17 kr.
Min.: 1
Mult.: 1
I/O Controller Interface IC I/O Controllers USB to Quad UART Bridge Serial SMD/SMT QFN-64