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
Select Image Part # Mfr. Description Datasheet Availability Pricing (TWD) 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 26,035In Stock
NT$178.17
NT$135.87
NT$125.12
NT$113.64
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC HID USB to UART bridge 3,254In Stock
Cut Tape
NT$183.55
NT$139.82
NT$128.70
NT$116.87
Reel
NT$104.68
Min.: 1
Mult.: 1
: 2,500
Silicon Labs USB Interface IC USB to UART Bridge QFN28 50,186In Stock
Cut Tape
NT$350.61
NT$263.50
NT$246.29
NT$227.29
Reel
NT$203.63
Min.: 1
Mult.: 1
: 2,500
Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20 10,129In Stock
31,420On Order
NT$141.97
NT$126.91
NT$101.10
NT$96.44
Min.: 1
Mult.: 1
Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN20 34,062In Stock
63,000Expected 12/4/2026
Cut Tape
NT$162.76
NT$122.61
NT$112.57
NT$101.81
Reel
NT$87.83
Min.: 1
Mult.: 1
: 2,500
Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28 3,542In Stock
6,305Expected 11/12/2026
NT$453.86
NT$353.48
NT$318.35
NT$298.99
Min.: 1
Mult.: 1
Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24 19,313In Stock
Cut Tape
NT$183.55
NT$140.89
NT$129.78
NT$117.95
Reel
NT$100.02
Min.: 1
Mult.: 1
: 2,500

Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64 4,900In Stock
32,500Expected 1/15/2027
Cut Tape
NT$482.54
NT$373.92
NT$347.03
NT$317.99
NT$311.18
Reel
NT$281.78
Min.: 1
Mult.: 1
: 2,500
Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24 5,474In Stock
9,555Expected 1/15/2027
NT$178.89
NT$136.23
NT$125.48
NT$113.64
Min.: 1
Mult.: 1
Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN24 1,976In Stock
3,822Expected 1/15/2027
NT$188.21
NT$143.40
NT$132.29
NT$119.74
Min.: 1
Mult.: 1
Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24 4,354In Stock
9,555Expected 1/15/2027
NT$178.89
NT$136.23
NT$125.48
NT$113.64
Min.: 1
Mult.: 1

Silicon Labs I/O Controller Interface IC HID USB to UART bridge 2,507In Stock
2,500Expected 3/12/2027
Cut Tape
NT$183.19
NT$138.74
NT$127.27
NT$111.85
Reel
NT$96.80
Min.: 1
Mult.: 1
: 2,500
Silicon Labs I/O Controller Interface IC HID USB to UART Bridge QFN28 642In Stock
NT$183.55
NT$139.82
NT$128.70
NT$116.87
Min.: 1
Mult.: 1
Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24 57In Stock
22,932On Order
NT$188.57
NT$143.04
NT$119.74
NT$112.93
Min.: 1
Mult.: 1
Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN24 57In Stock
66,000On Order
Cut Tape
NT$195.74
NT$148.42
NT$136.59
NT$99.66
Reel
NT$88.19
Min.: 1
Mult.: 1
: 2,500
Silicon Labs I/O Controller Interface IC USB to UART Bridge QFN28 18In Stock
8,000On Order
Cut Tape
NT$428.77
NT$414.78
NT$312.61
NT$287.16
Reel
NT$263.14
Min.: 1
Mult.: 1
: 2,500
Silicon Labs I/O Controller Interface IC USB to Dual UART Bridge QFN24 50In Stock
48,500On Order
Cut Tape
NT$192.87
NT$144.48
NT$132.29
NT$113.29
Reel
NT$100.02
Min.: 1
Mult.: 1
: 2,500
Silicon Labs USB Interface IC HID USB to SMBUS Bridge QFN24 50In Stock
17,500On Order
Cut Tape
NT$185.34
NT$139.82
NT$128.70
NT$116.51
Reel
NT$102.17
Min.: 1
Mult.: 1
: 2,500
Silicon Labs USB Interface IC USB to UART Bridge QFN28
3,016Expected 12/25/2026
NT$373.92
NT$288.59
NT$262.06
NT$252.03
Min.: 1
Mult.: 1
Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
22,061Expected 1/1/2027
NT$192.16
NT$145.91
NT$124.40
NT$119.02
Min.: 1
Mult.: 1
Silicon Labs USB Interface IC USBXpress - USB to UART Bridge QFN28
83,320On Order
Cut Tape
NT$126.19
NT$118.31
NT$108.98
NT$103.61
Reel
NT$76.36
Min.: 1
Mult.: 1
: 2,500

Silicon Labs I/O Controller Interface IC USB to Quad UART Bridge QFN64
7,181On Order
NT$468.92
NT$367.10
NT$341.65
NT$313.69
Min.: 1
Mult.: 1