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.

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Results: 22
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 Mfr.
Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS
Silicon Labs I/O Controller Interface IC HID USB to UART Bridge QFN24
Datasheet
27.187In Stock
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24
Datasheet
8.846In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500


Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64
Datasheet
8.096In Stock
15.000Expected 05/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.500


Silicon Labs I/O Controller Interface IC HID USB to UART bridge
Datasheet
5.523In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24
Datasheet
5.910In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24
Datasheet
7.368In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20
Datasheet
19.888In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24
Datasheet
9.815In Stock
9.555Expected 26/02/2027
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20
Datasheet
14.931In Stock
45.000Expected 26/02/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24
Datasheet
15.623In Stock
66.000Expected 26/02/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
Datasheet
20.993In Stock
27.000Expected 26/02/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28
Datasheet
3.106In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24
Datasheet
1.313In Stock
7.500Expected 03/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24
Datasheet
4.478In Stock
Min.: 1
Mult.: 1


Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64
Datasheet
398In Stock
2.600Expected 27/07/2026
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC HID USB to UART Bridge QFN28
Datasheet
866In Stock
Min.: 1
Mult.: 1


Silicon Labs I/O Controller Interface IC HID USB to UART bridge
Datasheet
3.314In Stock
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
Datasheet
1.232In Stock
22.995Expected 26/02/2027
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24
Datasheet
42In Stock
3.822On Order
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28
Datasheet
38In Stock
3.066Expected 23/06/2026
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USB to UART Bridge QFN28
Datasheet
67.310On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC USB to UART Bridge QFN28
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1.533
Mult.: 1.533