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
8.882In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500


Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64
Datasheet
8.111In Stock
15.000Expected 8/5/2026
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
7.495In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20
Datasheet
20.381In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24
Datasheet
9.654In Stock
9.555Expected 2/26/2027
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20
Datasheet
15.215In Stock
45.000Expected 2/26/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24
Datasheet
17.180In Stock
66.000Expected 2/26/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
Datasheet
21.437In Stock
27.000Expected 2/26/2027
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
1.323In Stock
7.500Expected 8/3/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24
Datasheet
4.610In Stock
Min.: 1
Mult.: 1


Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64
Datasheet
450In Stock
2.600Expected 7/27/2026
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
1.834In Stock
22.995Expected 2/26/2027
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24
Datasheet
67In 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 6/23/2026
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