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 Semiconductors
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Results: 22
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 Mfr.
Description Datasheet Availability Pricing (DKK) 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
27.456In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USB to UART Bridge QFN28
Datasheet
7.060In Stock
16.500Expected 14/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500


Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64
Datasheet
2.477In Stock
Min.: 1
Mult.: 1


Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64
Datasheet
6.509In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20
Datasheet
29.080In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24
Datasheet
15.602In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
Datasheet
12.387In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20
Datasheet
32.651In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24
Datasheet
10.683In Stock
22.500Expected 24/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
Datasheet
21.061In Stock
19.500Expected 28/08/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24
Datasheet
7.557In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24
Datasheet
7.728In Stock
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24
Datasheet
16.528In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500


Silicon Labs I/O Controller Interface IC HID USB to UART bridge
Datasheet
7.687In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24
Datasheet
11.083In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24
Datasheet
6.179In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28
Datasheet
1.181In Stock
1.533Expected 23/06/2026
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28
Datasheet
1.635In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24
Datasheet
1.755In Stock
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC HID USB to UART Bridge QFN28
Datasheet
1.119In 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
Reel: 1.500

Silicon Labs USB Interface IC USB to UART Bridge QFN28
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1.533
Mult.: 1.533