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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Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Product
Type
Mounting Style
Package / Case
Standard
Speed
Data Rate
Supply Voltage - Min
Supply Voltage - Max
Operating Supply Current
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24
Datasheet
5,614In Stock
Min.: 1
Mult.: 1

CP2112 USB Controllers Bridge, USB to SMBus SMD/SMT QFN-24 USB 2.0 Full Speed (FS) 12 Mb/s 3 V 3.6 V 15 mA - 40 C + 85 C Tube
Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24
Datasheet
5,915In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

CP2112 USB Controllers Bridge, USB to SMBus SMD/SMT QFN-24 USB 2.0 Full Speed (FS) 12 Mb/s 3 V 3.6 V 15 mA - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs USB Interface IC USB to UART Bridge QFN28
Datasheet
58,111In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

CP2102 USB Controllers Bridge, USB to UART SMD/SMT QFN-28 USB 2.0 Full Speed (FS) 12 Mb/s 3 V 3.6 V 500 mA - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20
Datasheet
14,244In Stock
12,600Expected 9/11/2026
Min.: 1
Mult.: 1

CP2102N USB Controllers Bridge, USB to UART SMD/SMT QFN-20 USB 2.0 Full Speed (FS) 3 Mb/s 3 V 3.6 V 13.7 mA - 40 C + 85 C Tube
Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20
Datasheet
39,509In Stock
63,000Expected 1/8/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

CP2102N USB Controllers Bridge, USB to UART SMD/SMT QFN-20 USB 2.0 Full Speed (FS) 3 Mb/s 3 V 3.6 V 13.7 mA - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24
Datasheet
1,456In Stock
22,932On Order
Min.: 1
Mult.: 1

CP2102N USB Controllers Bridge, USB to UART SMD/SMT QFN-24 USB 2.0 Full Speed (FS) 3 Mb/s 3 V 3.6 V 13.7 mA - 40 C + 85 C Tube
Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
Datasheet
1,667In Stock
22,995Expected 1/1/2027
Min.: 1
Mult.: 1

CP2102N USB Controllers Bridge, USB to UART SMD/SMT QFN-28 USB 2.0 Full Speed (FS) 3 Mb/s 3 V 3.6 V 13.7 mA - 40 C + 85 C Tube
Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
Datasheet
2,543In Stock
54,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

CP2102N USB Controllers Bridge, USB to UART SMD/SMT QFN-28 USB 2.0 Full Speed (FS) 3 Mb/s 3 V 3.6 V 13.7 mA - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24
Datasheet
4,250In Stock
66,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

CP2102N USB Controllers Bridge, USB to UART SMD/SMT QFN-24 USB 2.0 Full Speed (FS) 3 Mb/s 3 V 3.6 V 13.7 mA - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs USB Interface IC USB to UART Bridge QFN28
Datasheet
3,066Expected 4/9/2027
Min.: 1
Mult.: 1

CP2102 USB Controllers Bridge, USB to UART SMD/SMT QFN-28 USB 2.0 Full Speed (FS) 12 Mb/s 3 V 3.6 V 500 mA - 40 C + 85 C Tube