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 USB Interface IC HID USB to SMBUS Bridge QFN24
Datasheet
12 673In Stock
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC HID USB to UART Bridge QFN24
Datasheet
28 409In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USB to UART Bridge QFN28
Datasheet
16 042In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1 500

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24
Datasheet
9 079In Stock
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24
Datasheet
20 074In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1 500


Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64
Datasheet
3 550In Stock
Min.: 1
Mult.: 1


Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64
Datasheet
7 446In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2 500


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
15 164In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1 500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20
Datasheet
40 249In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24
Datasheet
18 805In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
Datasheet
15 116In Stock
Min.: 1
Mult.: 1

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20
Datasheet
43 565In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1 500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24
Datasheet
6 069In Stock
13 992Expected 3/3/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1 500

Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
Datasheet
28 587In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1 500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28
Datasheet
912In Stock
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28
Datasheet
316In Stock
1 400Expected 3/3/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1 500

Silicon Labs I/O Controller Interface IC HID USB to UART Bridge QFN28
Datasheet
1 172In Stock
Min.: 1
Mult.: 1


Silicon Labs I/O Controller Interface IC HID USB to UART bridge
Datasheet
3 564In Stock
Min.: 1
Mult.: 1
Reel: 1 500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24
Datasheet
9 000Expected 3/3/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1 500

Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24
Datasheet
1 907Expected 4/24/2026
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