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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Product	Type	Interface Type	Mounting Style	Package/Case
I/O Controller Interface IC HID USB to UART Bridge QFN24 CP2110-F01-GM Silicon Labs 1: 4,27 € 26 055In Stock	Mfr. Part No. CP2110-F01-GM Mouser Part No 634-CP2110-F01-GM	Silicon Labs	I/O Controller Interface IC HID USB to UART Bridge QFN24 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	26 055In Stock	4,27 € 3,23 € 2,96 € 2,67 € View 2,54 € 2,52 € 2,37 € 2,30 €	Min.: 1 Mult.: 1	I/O Controller Interface IC				SMD/SMT	QFN-24
I/O Controller Interface IC HID USB to UART bridge CP2110-F02-GM1R Silicon Labs 1: 4,41 € 3 289In Stock	Mfr. Part No. CP2110-F02-GM1R Mouser Part No 634-CP2110-F02-GM1R	Silicon Labs	I/O Controller Interface IC HID USB to UART bridge Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	3 289In Stock	Cut Tape 4,41 € 3,32 € 3,05 € 2,76 € View Reel 2,37 € 2,61 € 2,60 € 2,38 € 2,37 €	Min.: 1 Mult.: 1 : 1 500	I/O Controller Interface IC	HID USB to UART Bridges		UART	SMD/SMT	QFN-28
I/O Controller Interface IC USB to UART Bridge QFN24 CP2104-F03-GMR Silicon Labs 1: 4,45 € 20 989In Stock	Mfr. Part No. CP2104-F03-GMR Mouser Part No 634-CP2104-F03-GMR	Silicon Labs	I/O Controller Interface IC USB to UART Bridge QFN24 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	20 989In Stock	Cut Tape 4,45 € 3,38 € 3,11 € 2,82 € View Reel 2,51 € 2,68 € 2,61 € 2,52 € 2,51 € MouseReel Available	Min.: 1 Mult.: 1 : 1 500	I/O Controller Interface IC	USB to UART Bridges		UART	SMD/SMT	QFN-24
I/O Controller Interface IC USB to Dual UART Bridge QFN24 CP2105-F01-GM Silicon Labs 1: 4,23 € 5 565In Stock 100Expected 10/8/2026	Mfr. Part No. CP2105-F01-GM Mouser Part No 634-CP2105-F01-GM	Silicon Labs	I/O Controller Interface IC USB to Dual UART Bridge QFN24 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	5 565In Stock 100Expected 10/8/2026	4,23 € 3,35 € 2,88 € 2,73 € View 2,62 € 2,58 € 2,47 € 2,39 €	Min.: 1 Mult.: 1	I/O Controller Interface IC				SMD/SMT	QFN-24
I/O Controller Interface IC USB to Quad UART Bridge QFN64 CP2108-B03-GMR Silicon Labs 1: 10,96 € 11 797In Stock	Mfr. Part No. CP2108-B03-GMR Mouser Part No 634-CP2108-B03-GMR	Silicon Labs	I/O Controller Interface IC USB to Quad UART Bridge QFN64 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	11 797In Stock	Cut Tape 10,96 € 8,54 € 7,94 € 7,28 € View Reel 6,36 € 7,17 € 6,95 € 6,86 € 6,36 € MouseReel Available	Min.: 1 Mult.: 1 : 2 500	I/O Controller Interface IC				SMD/SMT	QFN-64
USB Interface IC HID USB to SMBUS Bridge QFN24 CP2112-F03-GM Silicon Labs 1: 4,45 € 5 599In Stock	Mfr. Part No. CP2112-F03-GM Mouser Part No 634-CP2112-F03-GM	Silicon Labs	USB Interface IC HID USB to SMBUS Bridge QFN24 Learn More about Silicon Labs cp2112 hid usb to smbus bridges	Datasheet	5 599In Stock	4,45 € 3,35 € 2,88 € 2,73 € View 2,62 € 2,58 € 2,46 € 2,39 € Quote	Min.: 1 Mult.: 1	USB Interface IC	USB Controllers	Bridge, USB to SMBus	SMBus, USB	SMD/SMT	QFN-24
USB Interface IC HID USB to SMBUS Bridge QFN24 CP2112-F03-GMR Silicon Labs 1: 4,45 € 5 133In Stock	Mfr. Part No. CP2112-F03-GMR Mouser Part No 634-CP2112-F03-GMR	Silicon Labs	USB Interface IC HID USB to SMBUS Bridge QFN24 Learn More about Silicon Labs cp2112 hid usb to smbus bridges	Datasheet	5 133In Stock	Cut Tape 4,45 € 3,35 € 3,07 € 2,78 € View Reel 2,39 € 2,63 € 2,61 € 2,45 € 2,39 € MouseReel Available	Min.: 1 Mult.: 1 : 1 500	USB Interface IC	USB Controllers	Bridge, USB to SMBus	SMBus, USB	SMD/SMT	QFN-24
USB Interface IC USB to UART Bridge QFN28 CP2102-GMR Silicon Labs 1: 8,30 € 53 631In Stock	Mfr. Part No. CP2102-GMR Mouser Part No 634-CP2102-GMR	Silicon Labs	USB Interface IC USB to UART Bridge QFN28 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	53 631In Stock	Cut Tape 8,30 € 6,40 € 5,93 € 5,41 € View Reel 4,72 € 5,19 € 5,12 € 4,86 € 4,72 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 1 500	USB Interface IC	USB Controllers	Bridge, USB to UART	USB, UART	SMD/SMT	QFN-28
USB Interface IC USBXpress - USB to UART Bridge QFN20 CP2102N-A02-GQFN20 Silicon Labs 1: 3,41 € 9 420In Stock 32 760On Order	Mfr. Part No. CP2102N-A02-GQFN20 Mouser Part No 634-CP2102NA02GQFN20	Silicon Labs	USB Interface IC USBXpress - USB to UART Bridge QFN20 Learn More about Silicon Labs silabs cp2102n usbxpress usb uart bridge controllers	Datasheet	9 420In Stock 32 760On Order On Order Ship Dates Mfr. No: CP2102N-A02-GQFN20 Stock: 9 420 Can Dispatch Immediately On Order: 12 600 Expected 10/13/2026 20 160 Expected 2/5/2027 Factory Lead Time: 31 Weeks	3,41 € 3,04 € 2,43 € 2,31 € View 2,26 € 1,86 €	Min.: 1 Mult.: 1	USB Interface IC	USB Controllers	Bridge, USB to UART	UART	SMD/SMT	QFN-20
USB Interface IC USBXpress - USB to UART Bridge QFN20 CP2102N-A02-GQFN20R Silicon Labs 1: 3,23 € 38 210In Stock 63 000Expected 1/8/2027	Mfr. Part No. CP2102N-A02-GQFN20R Mouser Part No 634-CP2102NA02QFN20R	Silicon Labs	USB Interface IC USBXpress - USB to UART Bridge QFN20 Learn More about Silicon Labs silabs cp2102n usbxpress usb uart bridge controllers	Datasheet	38 210In Stock 63 000Expected 1/8/2027	Cut Tape 3,23 € 3,21 € 3,10 € 2,79 € View Reel 1,86 € 2,55 € 2,37 € 2,09 € 1,86 € MouseReel Available	Min.: 1 Mult.: 1 : 1 500	USB Interface IC	USB Controllers	Bridge, USB to UART	UART	SMD/SMT	QFN-20
I/O Controller Interface IC USB to UART Bridge QFN28 CP2103-GMR Silicon Labs 1: 10,29 € 3 170In Stock 3 000Expected 6/4/2027	Mfr. Part No. CP2103-GMR Mouser Part No 634-CP2103-GMR	Silicon Labs	I/O Controller Interface IC USB to UART Bridge QFN28 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	3 170In Stock 3 000Expected 6/4/2027	Cut Tape 10,29 € 9,95 € 7,50 € 6,89 € View Reel 6,31 € 6,82 € 6,60 € 6,45 € 6,31 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 1 500	I/O Controller Interface IC				SMD/SMT	MLP-28
I/O Controller Interface IC USB to UART Bridge QFN24 CP2104-F03-GM Silicon Labs 1: 4,64 € 2 005In Stock	Mfr. Part No. CP2104-F03-GM Mouser Part No 634-CP2104-F03-GM	Silicon Labs	I/O Controller Interface IC USB to UART Bridge QFN24 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	2 005In Stock	4,64 € 3,51 € 3,09 € 2,87 € View 2,77 € 2,68 € 2,63 € 2,57 €	Min.: 1 Mult.: 1	I/O Controller Interface IC				SMD/SMT	QFN-24
I/O Controller Interface IC USB to Dual UART Bridge QFN24 CP2105-F01-GMR Silicon Labs 1: 4,33 € 3 079In Stock 21 000On Order	Mfr. Part No. CP2105-F01-GMR Mouser Part No 634-CP2105-F01-GMR	Silicon Labs	I/O Controller Interface IC USB to Dual UART Bridge QFN24 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	3 079In Stock 21 000On Order	Cut Tape 4,33 € 3,30 € 3,04 € 2,78 € View Reel 2,39 € 2,65 € 2,62 € 2,42 € 2,39 € MouseReel Available	Min.: 1 Mult.: 1 : 1 500	I/O Controller Interface IC	USB to Dual UART Bridges		UART	SMD/SMT	QFN-24
I/O Controller Interface IC USB to Quad UART Bridge QFN64 CP2108-B03-GM Silicon Labs 1: 10,67 € 464In Stock 3 900Expected 1/22/2027	Mfr. Part No. CP2108-B03-GM Mouser Part No 634-CP2108-B03-GM	Silicon Labs	I/O Controller Interface IC USB to Quad UART Bridge QFN64 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	464In Stock 3 900Expected 1/22/2027	10,67 € 8,27 € 7,68 € 7,01 € View 6,94 € 6,53 € 6,38 € Quote	Min.: 1 Mult.: 1	I/O Controller Interface IC	I/O Controllers	USB to Quad UART Bridge	Serial	SMD/SMT	QFN-64
I/O Controller Interface IC HID USB to UART bridge CP2110-F01-GMR Silicon Labs 1: 4,39 € 4 013In Stock	Mfr. Part No. CP2110-F01-GMR Mouser Part No 634-CP2110-F01-GMR	Silicon Labs	I/O Controller Interface IC HID USB to UART bridge Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	4 013In Stock	Cut Tape 4,39 € 3,31 € 3,04 € 2,66 € View Reel 2,37 € 2,61 € 2,59 € 2,43 € 2,37 € MouseReel Available	Min.: 1 Mult.: 1 : 1 500	I/O Controller Interface IC	HID USB to UART Bridges		UART	SMD/SMT	QFN-24
I/O Controller Interface IC HID USB to UART Bridge QFN28 CP2110-F02-GM1 Silicon Labs 1: 4,54 € 642In Stock	Mfr. Part No. CP2110-F02-GM1 Mouser Part No 634-CP2110-F02-GM1	Silicon Labs	I/O Controller Interface IC HID USB to UART Bridge QFN28 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	642In Stock	4,54 € 3,41 € 2,99 € 2,80 € View 2,67 € 2,64 € 2,51 € 2,44 €	Min.: 1 Mult.: 1	I/O Controller Interface IC				SMD/SMT	QFN-28
USB Interface IC USBXpress - USB to UART Bridge QFN24 CP2102N-A02-GQFN24 Silicon Labs 1: 4,43 € 1 985In Stock 22 932On Order	Mfr. Part No. CP2102N-A02-GQFN24 Mouser Part No 634-CP2102NA02GQFN24	Silicon Labs	USB Interface IC USBXpress - USB to UART Bridge QFN24 Learn More about Silicon Labs silabs cp2102n usbxpress usb uart bridge controllers	Datasheet	1 985In Stock 22 932On Order On Order Ship Dates Mfr. No: CP2102N-A02-GQFN24 Stock: 1 985 Can Dispatch Immediately On Order: 13 377 Expected 1/1/2027 9 555 Expected 1/8/2027 Factory Lead Time: 31 Weeks	4,43 € 3,36 € 2,82 € 2,71 € View 2,65 € 2,56 € 2,50 €	Min.: 1 Mult.: 1	USB Interface IC	USB Controllers	Bridge, USB to UART	UART	SMD/SMT	QFN-24
I/O Controller Interface IC USB to UART Bridge QFN28 CP2103-GM Silicon Labs 1: 10,93 € 1 125In Stock 10 731Expected 10/21/2026	Mfr. Part No. CP2103-GM Mouser Part No 634-CP2103-GM	Silicon Labs	I/O Controller Interface IC USB to UART Bridge QFN28 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	1 125In Stock 10 731Expected 10/21/2026	10,93 € 8,43 € 7,65 € 7,21 € View 7,07 € 6,79 € 6,65 € Quote	Min.: 1 Mult.: 1	I/O Controller Interface IC				SMD/SMT	MLP-28
USB Interface IC USBXpress - USB to UART Bridge QFN24 CP2102N-A02-GQFN24R Silicon Labs 1: 3,83 € 3 062In Stock 66 000On Order	Mfr. Part No. CP2102N-A02-GQFN24R Mouser Part No 634-CP2102NA02QFN24R	Silicon Labs	USB Interface IC USBXpress - USB to UART Bridge QFN24 Learn More about Silicon Labs silabs cp2102n usbxpress usb uart bridge controllers	Datasheet	3 062In Stock 66 000On Order On Order Ship Dates Mfr. No: CP2102N-A02-GQFN24R Stock: 3 062 Can Dispatch Immediately On Order: 27 000 Expected 1/1/2027 39 000 Expected 1/8/2027 Factory Lead Time: 31 Weeks	Cut Tape 3,83 € 3,14 € 2,89 € 2,61 € Reel 2,25 € View 2,48 € 2,43 € 2,30 € 2,24 € MouseReel Available	Min.: 1 Mult.: 1 : 1 500	USB Interface IC	USB Controllers	Bridge, USB to UART	UART	SMD/SMT	QFN-24
USB Interface IC USB to UART Bridge QFN28 CP2102-GM Silicon Labs 1: 8,77 € 3 016Expected 12/25/2026	Mfr. Part No. CP2102-GM Mouser Part No 634-CP2102-GM	Silicon Labs	USB Interface IC USB to UART Bridge QFN28 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	3 016Expected 12/25/2026	8,77 € 6,75 € 6,01 € 5,65 € 5,58 €	Min.: 1 Mult.: 1	USB Interface IC	USB Controllers	Bridge, USB to UART	USB, UART	SMD/SMT	QFN-28
USB Interface IC USBXpress - USB to UART Bridge QFN28 CP2102N-A02-GQFN28 Silicon Labs 1: 4,88 € 22 106Expected 1/1/2027	Mfr. Part No. CP2102N-A02-GQFN28 Mouser Part No 634-CP2102NA02GQFN28	Silicon Labs	USB Interface IC USBXpress - USB to UART Bridge QFN28 Learn More about Silicon Labs silabs cp2102n usbxpress usb uart bridge controllers	Datasheet	22 106Expected 1/1/2027	4,88 € 3,72 € 3,16 € 3,03 € View 2,92 € 2,69 €	Min.: 1 Mult.: 1	USB Interface IC	USB Controllers	Bridge, USB to UART	UART	SMD/SMT	QFN-28
USB Interface IC USBXpress - USB to UART Bridge QFN28 CP2102N-A02-GQFN28R Silicon Labs 1: 3,03 € 83 000On Order	Mfr. Part No. CP2102N-A02-GQFN28R Mouser Part No 634-CP2102NA02QFN28R	Silicon Labs	USB Interface IC USBXpress - USB to UART Bridge QFN28 Learn More about Silicon Labs silabs cp2102n usbxpress usb uart bridge controllers	Datasheet	83 000On Order On Order Ship Dates Mfr. No: CP2102N-A02-GQFN28R Stock: 0 On Order: 21 500 Expected 1/1/2027 61 500 Expected 1/8/2027 Factory Lead Time: 31 Weeks	Cut Tape 3,03 € 2,84 € 2,61 € 2,49 € View Reel 1,95 € 2,34 € 2,21 € 1,95 € 1,95 € MouseReel Available	Min.: 1 Mult.: 1 : 1 500	USB Interface IC	USB Controllers	Bridge, USB to UART	UART	SMD/SMT	QFN-28

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