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 (USD) 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 21,564In Stock
Min.: 1
Mult.: 1
: 1,500

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24 6,222In Stock
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24 6,064In Stock
21,000On Order
Min.: 1
Mult.: 1
: 1,500


Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64 13,062In Stock
Min.: 1
Mult.: 1
: 2,500

Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24 5,614In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24 5,780In Stock
Min.: 1
Mult.: 1
: 1,500

Silicon Labs USB Interface IC USB to UART Bridge QFN28 57,474In Stock
Min.: 1
Mult.: 1
: 1,500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20 12,332In Stock
12,600On Order
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20 39,384In Stock
63,000Expected 08/01/2027
Min.: 1
Mult.: 1
: 1,500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28 4,436In Stock
Min.: 1
Mult.: 1
: 1,500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24 2,040In Stock
Min.: 1
Mult.: 1


Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64 1,892In 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 1,249In Stock
22,932On Order
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28 1,294In Stock
22,995Expected 01/01/2027
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24 3,893In Stock
66,000On Order
Min.: 1
Mult.: 1
: 1,500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
86,252On Order
Min.: 1
Mult.: 1
: 1,500

Silicon Labs USB Interface IC USB to UART Bridge QFN28
3,066Expected 22/01/2027
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28
11,977On Order
Min.: 1
Mult.: 1