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
Select Image Part # 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 26.055In Stock
Min.: 1
Mult.: 1


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

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24 21.259In Stock
Min.: 1
Mult.: 1
: 1.500

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24 5.826In Stock
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24 5.159In Stock
21.000On Order
Min.: 1
Mult.: 1
: 1.500


Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64 12.954In Stock
Min.: 1
Mult.: 1
: 2.500

Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24 5.599In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24 5.378In Stock
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC USB to UART Bridge QFN28 56.993In Stock
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20 11.822In Stock
12.600Expected 09/10/2026
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20 39.279In Stock
63.000Expected 08/01/2027
Min.: 1
Mult.: 1
: 1.500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28 4.325In Stock
Min.: 1
Mult.: 1
: 1.500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24 2.015In Stock
Min.: 1
Mult.: 1


Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64 630In Stock
3.900Expected 22/01/2027
Min.: 1
Mult.: 1


Silicon Labs I/O Controller Interface IC HID USB to UART bridge 4.013In Stock
Min.: 1
Mult.: 1
: 1.500

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

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24 405In Stock
22.932On Order
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24 3.869In Stock
66.000On Order
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28 752In Stock
22.995Expected 01/01/2027
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USB to UART Bridge QFN28
3.016Expected 25/12/2026
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
88.500On Order
Min.: 1
Mult.: 1
: 1.500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28
11.977Expected 16/10/2026
Min.: 1
Mult.: 1