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
26.165In 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 I/O Controller Interface IC USB to UART Bridge QFN24
Datasheet
21.717In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24
Datasheet
6.459In Stock
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24
Datasheet
6.130In Stock
21.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1.500


Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64
Datasheet
1.953In Stock
3.900Expected 11/3/2026
Min.: 1
Mult.: 1


Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64
Datasheet
14.975In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24
Datasheet
5.614In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24
Datasheet
6.075In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC USB to UART Bridge QFN28
Datasheet
58.207In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20
Datasheet
14.244In Stock
12.600Expected 9/11/2026
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20
Datasheet
39.509In Stock
63.000Expected 1/8/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24
Datasheet
2.165In Stock
Min.: 1
Mult.: 1


Silicon Labs I/O Controller Interface IC HID USB to UART bridge
Datasheet
4.023In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs I/O Controller Interface IC HID USB to UART Bridge QFN28
Datasheet
642In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24
Datasheet
1.536In Stock
22.932On Order
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
Datasheet
1.885In Stock
22.995Expected 1/1/2027
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24
Datasheet
4.407In Stock
66.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
Datasheet
2.655In Stock
54.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28
Datasheet
1In Stock
4.500Expected 9/22/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC USB to UART Bridge QFN28
Datasheet
3.066Expected 4/9/2027
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28
Datasheet
11.977On Order
Min.: 1
Mult.: 1