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 (PHP) 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
26,055In 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
21,259In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24
Datasheet
5,791In Stock
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24
Datasheet
4,939In 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
12,954In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24
Datasheet
5,599In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24
Datasheet
5,378In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

Silicon Labs USB Interface IC USB to UART Bridge QFN28
Datasheet
56,993In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20
Datasheet
11,674In Stock
12,600Expected 09/10/2026
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20
Datasheet
39,279In Stock
63,000Expected 08/01/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28
Datasheet
4,325In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24
Datasheet
2,015In Stock
Min.: 1
Mult.: 1


Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64
Datasheet
630In Stock
3,900Expected 22/01/2027
Min.: 1
Mult.: 1


Silicon Labs I/O Controller Interface IC HID USB to UART bridge
Datasheet
4,013In 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
2,567In Stock
22,932On Order
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24
Datasheet
61In Stock
66,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
Datasheet
752In Stock
22,995Expected 01/01/2027
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USB to UART Bridge QFN28
Datasheet
3,016Expected 25/12/2026
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
Datasheet
88,500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28
Datasheet
11,977Expected 16/10/2026
Min.: 1
Mult.: 1