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 (IDR) 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
10.498In Stock
13.145Expected 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
2.483In Stock
Min.: 1
Mult.: 1


Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64
Datasheet
6.563In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20
Datasheet
31.611In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24
Datasheet
16.178In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
Datasheet
12.460In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20
Datasheet
32.822In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24
Datasheet
10.968In Stock
22.466Expected 01/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
Datasheet
23.192In Stock
19.500Expected 13/07/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24
Datasheet
7.617In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24
Datasheet
7.938In Stock
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24
Datasheet
16.600In 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
6.229In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28
Datasheet
1.281In Stock
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 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 I/O Controller Interface IC USB to UART Bridge QFN24
Datasheet
1.910Expected 07/04/2026
Min.: 1
Mult.: 1

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