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 (USD) 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: $4.97 25,981In 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	25,981In Stock	$4.97 $3.79 $3.49 $3.17 View $3.01 $2.92 $2.88 $2.84	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: $5.12 3,289In 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	3,289In Stock	Cut Tape $5.12 $3.90 $3.59 $3.26 View Reel $2.92 $3.10 $3.00 $2.96 $2.92	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-GMR Silicon Labs 1: $11.96 2,295In Stock 3,000Expected 12/25/2026	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	2,295In Stock 3,000Expected 12/25/2026	Cut Tape $11.96 $11.57 $8.72 $8.01 View Reel $7.34 $7.93 $7.67 $7.50 $7.34 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-GMR Silicon Labs 1: $5.12 19,413In 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	19,413In Stock	Cut Tape $5.12 $3.93 $3.62 $3.29 Reel $2.79 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: $13.08 9,342In 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	9,342In Stock 32,500Expected 1/15/2027	Cut Tape $13.08 $10.24 $9.53 $8.75 View Reel $7.55 $8.67 $8.16 $7.98 $7.55 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: $5.25 2,001In Stock 3,822Expected 2/19/2027	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	2,001In Stock 3,822Expected 2/19/2027	$5.25 $4.00 $3.69 $3.34 View $3.18 $3.08 $3.04 $3.01	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: $4.99 4,810In Stock 9,555Expected 2/19/2027	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	4,810In Stock 9,555Expected 2/19/2027	$4.99 $3.80 $3.50 $3.17 View $3.01 $2.92 $2.88 $2.85	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: $4.97 1,644In Stock 2,500Expected 4/16/2027	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	1,644In Stock 2,500Expected 4/16/2027	Cut Tape $4.97 $3.79 $3.49 $3.17 $3.11 Reel $2.63 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: $5.12 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	$5.12 $3.90 $3.59 $3.26 View $3.10 $3.00 $2.96 $2.92	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: $4.99 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 2/19/2027 21,000 TBD Factory Lead-Time: 26 Weeks	Cut Tape $4.99 $3.80 $3.50 $3.17 View Reel $2.85 $3.01 $2.92 $2.88 $2.85 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: $13.08 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	$13.08 $10.24 $9.53 $8.75 View $8.67 $8.16 $7.98	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: $12.66 10,114Expected 10/21/2026	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	10,114Expected 10/21/2026	$12.66 $9.86 $8.88 $8.34 View $8.17 $7.83 $7.66 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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