I/O Controller Interface IC

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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.	Mounting Style	Package/Case	Series	Product	Interface Type	Number of I/Os	Supply Voltage - Max	Supply Voltage - Min	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
I/O Controller Interface IC HID USB to UART Bridge QFN24 CP2110-F01-GM Silicon Labs 1: 4,27 € 26 035In 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 035In Stock	4,27 € 3,26 € 3,00 € 2,73 € View 2,59 € 2,51 € 2,48 € 2,44 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	CP2110				3.3 V	3.3 V	- 40 C	+ 85 C	Tube
I/O Controller Interface IC HID USB to UART bridge CP2110-F02-GM1R Silicon Labs 1: 4,40 € 3 254In 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 254In Stock	Cut Tape 4,40 € 3,35 € 3,09 € 2,80 € View Reel 2,51 € 2,67 € 2,58 € 2,55 € 2,51 €	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	QFN-28	CP2110	HID USB to UART Bridges	UART	10 I/O	3.6 V	3 V	- 40 C	+ 85 C	Reel, Cut Tape
I/O Controller Interface IC USB to UART Bridge QFN28 CP2103-GM Silicon Labs 1: 10,89 € 3 542In Stock 6 305Expected 12/11/2026	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	3 542In Stock 6 305Expected 12/11/2026	10,89 € 8,48 € 7,64 € 7,17 € View 7,03 € 6,73 € 6,59 € Quote	Min.: 1 Mult.: 1	SMD/SMT	MLP-28	CP2103				3.6 V	3.6 V	- 55 C	+ 125 C	Tube
I/O Controller Interface IC USB to UART Bridge QFN24 CP2104-F03-GMR Silicon Labs 1: 4,40 € 19 313In 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	19 313In Stock	Cut Tape 4,40 € 3,38 € 3,11 € 2,83 € Reel 2,41 € MouseReel Available	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	QFN-24	CP2104	USB to UART Bridges	UART	4 I/O	3.6 V	3 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
I/O Controller Interface IC USB to Quad UART Bridge QFN64 CP2108-B03-GMR Silicon Labs 1: 11,58 € 4 900In Stock 32 500Expected 15/01/2027	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	4 900In Stock 32 500Expected 15/01/2027	Cut Tape 11,58 € 8,97 € 8,32 € 7,63 € 7,46 € Reel 6,76 € MouseReel Available	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	QFN-64	CP2108								Reel, Cut Tape, MouseReel
I/O Controller Interface IC USB to UART Bridge QFN24 CP2104-F03-GM Silicon Labs 1: 4,52 € 1 976In Stock 3 822Expected 15/01/2027	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	1 976In Stock 3 822Expected 15/01/2027	4,52 € 3,44 € 3,17 € 2,87 € View 2,73 € 2,65 € 2,61 € 2,59 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	CP2104				3.3 V	3.3 V	- 40 C	+ 85 C	Tube
I/O Controller Interface IC USB to Dual UART Bridge QFN24 CP2105-F01-GM Silicon Labs 1: 4,29 € 4 354In Stock 9 555Expected 15/01/2027	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	4 354In Stock 9 555Expected 15/01/2027	4,29 € 3,27 € 3,01 € 2,73 € View 2,59 € 2,51 € 2,48 € 2,45 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	CP2105				3.3 V	3.3 V	- 40 C	+ 85 C	Tube
I/O Controller Interface IC HID USB to UART bridge CP2110-F01-GMR Silicon Labs 1: 4,39 € 2 507In Stock 2 500Expected 12/03/2027	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	2 507In Stock 2 500Expected 12/03/2027	Cut Tape 4,39 € 3,33 € 3,05 € 2,68 € Reel 2,32 € View 2,67 € 2,51 € 2,31 € MouseReel Available	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	QFN-24	CP2110	HID USB to UART Bridges	UART	10 I/O	3.6 V	3 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
I/O Controller Interface IC HID USB to UART Bridge QFN28 CP2110-F02-GM1 Silicon Labs 1: 4,40 € 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	4,40 € 3,35 € 3,09 € 2,80 € View 2,67 € 2,58 € 2,55 € 2,51 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-28	CP2110				3.6 V	3 V	- 40 C	+ 85 C	Tube
I/O Controller Interface IC USB to UART Bridge QFN28 CP2103-GMR Silicon Labs 1: 10,29 € 18In Stock 8 000On Order	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	18In Stock 8 000On Order On Order Ship Dates Mfr. No: CP2103-GMR Stock: 18 Can Dispatch Immediately On Order: 3 000 Expected 25/12/2026 5 000 Expected 08/01/2027 Factory Lead Time: 29 Weeks	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 : 2 500	SMD/SMT	MLP-28	CP2103				3.6 V	3.6 V	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
I/O Controller Interface IC USB to Dual UART Bridge QFN24 CP2105-F01-GMR Silicon Labs 1: 4,63 € 50In Stock 48 500On 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	50In Stock 48 500On Order On Order Ship Dates Mfr. No: CP2105-F01-GMR Stock: 50 Can Dispatch Immediately On Order: 27 500 Expected 15/01/2027 21 000 TBD Factory Lead Time: 26 Weeks	Cut Tape 4,63 € 3,47 € 3,17 € 2,72 € View Reel 2,40 € 2,60 € 2,54 € 2,44 € 2,40 € MouseReel Available	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	QFN-24	CP2105	USB to Dual UART Bridges	UART	5 I/O	3.6 V	3 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
I/O Controller Interface IC USB to Quad UART Bridge QFN64 CP2108-B03-GM Silicon Labs 1: 11,25 € 7 171On Order	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	7 171On Order On Order Ship Dates Mfr. No: CP2108-B03-GM Stock: 0 On Order: 3 271 Expected 15/01/2027 3 900 Expected 22/01/2027 Factory Lead Time: 26 Weeks	11,25 € 8,81 € 8,20 € 7,53 € View 7,46 € 7,02 € 6,86 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-64	CP2108	I/O Controllers	Serial		3.6 V	3 V	- 40 C	+ 85 C	Tray

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