I/O Controller Interface IC

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USB to UART Bridges

Silicon Labs USB to UART Bridges are high-performance controller interface ICs that offer a complete plug-and-play interface solution. This includes royalty-free driver suites and a comprehensive design ecosystem that enables customers to speed up time-to-market. Silicon Labs USB to UART Bridges feature crystal-less operation, in-system programming memory, and small body size packages to reduce cost, simplify design, and shorten development time.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) 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: S/ 19.35 26,035In Stock	Mfr. Part # CP2110-F01-GM Mouser Part # 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	S/ 19.35 S/ 14.75 S/ 13.58 S/ 12.34 View S/ 11.72 S/ 11.37 S/ 11.21 S/ 11.05	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: S/ 19.93 3,254In Stock	Mfr. Part # CP2110-F02-GM1R Mouser Part # 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 S/ 19.93 S/ 15.18 S/ 13.97 S/ 12.69 View Reel S/ 11.37 S/ 12.07 S/ 11.68 S/ 11.52 S/ 11.37	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 QFN24 CP2104-F03-GMR Silicon Labs 1: S/ 19.93 19,313In Stock	Mfr. Part # CP2104-F03-GMR Mouser Part # 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 S/ 19.93 S/ 15.30 S/ 14.09 S/ 12.81 Reel S/ 10.86 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: S/ 50.91 5,277In Stock 32,500Expected 1/15/2027	Mfr. Part # CP2108-B03-GMR Mouser Part # 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	5,277In Stock 32,500Expected 1/15/2027	Cut Tape S/ 50.91 S/ 39.86 S/ 37.10 S/ 34.06 View Reel S/ 29.39 S/ 33.75 S/ 31.76 S/ 31.06 S/ 29.39 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 QFN28 CP2103-GMR Silicon Labs 1: S/ 46.55 18In Stock 8,000On Order	Mfr. Part # CP2103-GMR Mouser Part # 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. #: CP2103-GMR Stock: 18 Can Ship Immediately On Order: 3,000 Expected 12/25/2026 5,000 Expected 1/8/2027 Factory Lead-Time: 29 Weeks	Cut Tape S/ 46.55 S/ 45.04 S/ 33.94 S/ 31.18 View Reel S/ 28.57 S/ 30.87 S/ 29.86 S/ 29.19 S/ 28.57 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 UART Bridge QFN24 CP2104-F03-GM Silicon Labs 1: S/ 20.44 1,976In Stock 3,822Expected 1/15/2027	Mfr. Part # CP2104-F03-GM Mouser Part # 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 1/15/2027	S/ 20.44 S/ 15.57 S/ 14.36 S/ 13.00 View S/ 12.38 S/ 11.99 S/ 11.83 S/ 11.72	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: S/ 19.42 4,470In Stock 9,555Expected 1/15/2027	Mfr. Part # CP2105-F01-GM Mouser Part # 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	4,470In Stock 9,555Expected 1/15/2027	S/ 19.42 S/ 14.79 S/ 13.62 S/ 12.34 View S/ 11.72 S/ 11.37 S/ 11.21 S/ 11.09	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: S/ 19.89 2,507In Stock 2,500Expected 5/28/2027	Mfr. Part # CP2110-F01-GMR Mouser Part # 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 5/28/2027	Cut Tape S/ 19.89 S/ 15.06 S/ 13.82 S/ 12.14 View Reel S/ 10.51 S/ 12.11 S/ 11.37 S/ 10.51 Quote 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: S/ 19.93 642In Stock	Mfr. Part # CP2110-F02-GM1 Mouser Part # 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	S/ 19.93 S/ 15.18 S/ 13.97 S/ 12.69 View S/ 12.07 S/ 11.68 S/ 11.52 S/ 11.37	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 Dual UART Bridge QFN24 CP2105-F01-GMR Silicon Labs 1: S/ 19.42 50In Stock 48,500On Order	Mfr. Part # CP2105-F01-GMR Mouser Part # 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. #: CP2105-F01-GMR Stock: 50 Can Ship Immediately On Order: 27,500 Expected 1/15/2027 21,000 TBD Factory Lead-Time: 26 Weeks	Cut Tape S/ 19.42 S/ 14.79 S/ 13.62 S/ 12.34 View Reel S/ 11.09 S/ 11.72 S/ 11.37 S/ 11.21 S/ 11.09 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: S/ 50.91 18In Stock 7,800On Order	Mfr. Part # CP2108-B03-GM Mouser Part # 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	18In Stock 7,800On Order On Order Ship Dates Mfr. #: CP2108-B03-GM Stock: 18 Can Ship Immediately On Order: 3,900 Expected 1/15/2027 3,900 Expected 1/22/2027 Factory Lead-Time: 26 Weeks	S/ 50.91 S/ 39.86 S/ 37.10 S/ 34.06 View S/ 33.75 S/ 31.76 S/ 31.06	Min.: 1 Mult.: 1	SMD/SMT	QFN-64	CP2108	I/O Controllers	Serial		3.6 V	3 V	- 40 C	+ 85 C	Tray
I/O Controller Interface IC USB to UART Bridge QFN28 CP2103-GM Silicon Labs 1: S/ 49.28 9,871Expected 11/4/2026	Mfr. Part # CP2103-GM Mouser Part # 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	9,871Expected 11/4/2026	S/ 49.28 S/ 38.38 S/ 34.57 S/ 32.46 View S/ 31.80 S/ 30.48 S/ 29.82 Quote	Min.: 1 Mult.: 1	SMD/SMT	MLP-28	CP2103				3.6 V	3.6 V	- 55 C	+ 125 C	Tube

USB to UART Bridges

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USB to UART Bridges

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