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 (EUR) 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
27.406In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USB to UART Bridge QFN28
Datasheet
12.034In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28
Datasheet
2.596In Stock
Min.: 1
Mult.: 1


Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64
Datasheet
1.556In Stock
Min.: 1
Mult.: 1


Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64
Datasheet
1.790In Stock
12.500Expected 5/19/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20
Datasheet
27.404In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24
Datasheet
13.643In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
Datasheet
11.427In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20
Datasheet
28.898In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24
Datasheet
28.298In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
Datasheet
6.467In Stock
19.500Expected 8/28/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24
Datasheet
6.539In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24
Datasheet
6.629In Stock
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24
Datasheet
13.934In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500


Silicon Labs I/O Controller Interface IC HID USB to UART bridge
Datasheet
6.187In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24
Datasheet
10.541In Stock
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28
Datasheet
1.295In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24
Datasheet
730In Stock
1.911Expected 6/26/2026
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC HID USB to UART Bridge QFN28
Datasheet
1.014In 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 USB Interface IC HID USB to SMBUS Bridge QFN24
Datasheet
3.984In Stock
7.500Expected 7/3/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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