USB Interface IC – Mouser Canada

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MCP2221 USB-to-UART/I²C Converter

Microchip Technology MCP2221 USB-to-UART/I²C Converter supports full-speed USB at 12Mb/s and enables USB connectivity in applications with UART and I²C interfaces. The MCP2221 converter integrates USB termination resistors and the oscillator needed for USB operation. This converter comes with four GP pins that provide miscellaneous functionalities. These functionalities include GPIO, USBCFG, SSPND, Clock Output, ADC, DAC, interrupt detector.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Product	Type	Mounting Style	Package / Case	Standard	Speed	Data Rate	Supply Voltage - Min	Supply Voltage - Max	Operating Supply Current	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
USB Interface IC USB 2.0 to I2C Converter with GPIO MCP2221A-I/ST Microchip Technology 1: $4.03 8,015In Stock	Mfr. Part # MCP2221A-I/ST Mouser Part # 579-MCP2221A-I/ST	Microchip Technology	USB Interface IC USB 2.0 to I2C Converter with GPIO Learn More about Microchip Technology microchip mcp2221 converter	Datasheet	8,015In Stock	$4.03 $3.36 $3.07	Min.: 1 Mult.: 1	MCP2221A	USB Controllers	Bridge, USB to UART/I2C	SMD/SMT	TSSOP-14	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V	5.5 V	13 mA	- 40 C	+ 85 C	Tube
USB Interface IC USB 2.0 to I2C Converter with GPIO MCP2221AT-I/ST Microchip Technology 1: $4.03 8,942In Stock	Mfr. Part # MCP2221AT-I/ST Mouser Part # 579-MCP2221AT-I/ST	Microchip Technology	USB Interface IC USB 2.0 to I2C Converter with GPIO Learn More about Microchip Technology microchip mcp2221 converter	Datasheet	8,942In Stock	Cut Tape $4.03 $3.40 Reel $3.07 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	MCP2221A	USB Controllers	Bridge, USB to UART/I2C	SMD/SMT	TSSOP-14	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V	5.5 V	13 mA	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
USB Interface IC USB to I2C Bridge Device MCP2221T-I/ST Microchip Technology 1: $4.54 3,333In Stock	Mfr. Part # MCP2221T-I/ST Mouser Part # 579-MCP2221T-I/ST	Microchip Technology	USB Interface IC USB to I2C Bridge Device Learn More about Microchip Technology microchip mcp2221 converter	Datasheet	3,333In Stock	Cut Tape $4.54 $3.77 Reel $3.43 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	MCP2221	USB Controllers	Bridge, USB to UART/I2C	SMD/SMT	TSSOP-14	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V	5.5 V	13 mA	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
USB Interface IC USB to I2C Bridge Device MCP2221-I/ML Microchip Technology 1: $4.54 1,708In Stock	Mfr. Part # MCP2221-I/ML Mouser Part # 579-MCP2221-I/ML	Microchip Technology	USB Interface IC USB to I2C Bridge Device Learn More about Microchip Technology microchip mcp2221 converter	Datasheet	1,708In Stock	$4.54 $3.77 $3.43	Min.: 1 Mult.: 1	MCP2221	USB Controllers	Bridge, USB to UART/I2C	SMD/SMT	QFN-16	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V	5.5 V	13 mA	- 40 C	+ 85 C	Tube
USB Interface IC USB to I2C Bridge Device MCP2221-I/P Microchip Technology 1: $5.11 531In Stock	Mfr. Part # MCP2221-I/P Mouser Part # 579-MCP2221-I/P	Microchip Technology	USB Interface IC USB to I2C Bridge Device Learn More about Microchip Technology microchip mcp2221 converter	Datasheet	531In Stock	$5.11 $4.26 $3.87	Min.: 1 Mult.: 1	MCP2221	USB Controllers	Bridge, USB to UART/I2C	Through Hole	PDIP-14	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V	5.5 V	13 mA	- 40 C	+ 85 C	Tube
USB Interface IC USB 2.0 to I2C/UART Protocol Converter with GPIO, AEC-Q100 Qualified MCP2221A-I/ML Microchip Technology 1: $4.03 4,203In Stock	Mfr. Part # MCP2221A-I/ML Mouser Part # 579-MCP2221A-I/ML	Microchip Technology	USB Interface IC USB 2.0 to I2C/UART Protocol Converter with GPIO, AEC-Q100 Qualified Learn More about Microchip Technology microchip mcp2221 converter	Datasheet	4,203In Stock	$4.03 $3.36 $3.07	Min.: 1 Mult.: 1	MCP2221A	USB Controllers	Bridge, USB to UART/I2C	SMD/SMT	QFN-16	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V	5.5 V	13 mA	- 40 C	+ 85 C	Tube
USB Interface IC USB 2.0 to I2C Converter with GPIO MCP2221A-I/P Microchip Technology 1: $4.61 755In Stock	Mfr. Part # MCP2221A-I/P Mouser Part # 579-MCP2221A-I/P	Microchip Technology	USB Interface IC USB 2.0 to I2C Converter with GPIO Learn More about Microchip Technology microchip mcp2221 converter	Datasheet	755In Stock	$4.61 $3.84 $3.48	Min.: 1 Mult.: 1	MCP2221A	USB Controllers	Bridge, USB to UART/I2C	Through Hole	PDIP-14	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V	5.5 V	13 mA	- 40 C	+ 85 C	Tube
USB Interface IC USB 2.0 to I2C Converter with GPIO MCP2221A-I/SL Microchip Technology 1: $3.64 3,119In Stock 3,705Expected 2026-10-13	Mfr. Part # MCP2221A-I/SL Mouser Part # 579-MCP2221A-I/SL	Microchip Technology	USB Interface IC USB 2.0 to I2C Converter with GPIO Learn More about Microchip Technology microchip mcp2221 converter	Datasheet	3,119In Stock 3,705Expected 2026-10-13	$3.64 $3.07 $2.78	Min.: 1 Mult.: 1	MCP2221A	USB Controllers	Bridge, USB to UART/I2C	SMD/SMT	SOIC-14	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V	5.5 V	13 mA	- 40 C	+ 85 C	Tube
USB Interface IC USB 2.0 to I2C Converter with GPIO MCP2221AT-I/ML Microchip Technology 1: $4.03 797In Stock 13,200On Order	Mfr. Part # MCP2221AT-I/ML Mouser Part # 579-MCP2221AT-I/ML	Microchip Technology	USB Interface IC USB 2.0 to I2C Converter with GPIO Learn More about Microchip Technology microchip mcp2221 converter	Datasheet	797In Stock 13,200On Order On Order Ship Dates Mfr. #: MCP2221AT-I/ML Stock: 797 Can Ship Immediately On Order: 6,600 Expected 2026-10-26 6,600 Expected 2027-01-14 Factory Lead-Time: 22 Weeks	Cut Tape $4.03 $3.40 Reel $3.07 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	MCP2221A	USB Controllers	Bridge, USB to UART/I2C	SMD/SMT	QFN-16	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V	5.5 V	13 mA	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
USB Interface IC USB to I2C Bridge Device MCP2221-I/SL Microchip Technology 1: $4.16 308In Stock	Mfr. Part # MCP2221-I/SL Mouser Part # 579-MCP2221-I/SL	Microchip Technology	USB Interface IC USB to I2C Bridge Device Learn More about Microchip Technology microchip mcp2221 converter	Datasheet	308In Stock	$4.16 $3.47 $3.14	Min.: 1 Mult.: 1	MCP2221	USB Controllers	Bridge, USB to UART/I2C	SMD/SMT	SOIC-14	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V	5.5 V	13 mA	- 40 C	+ 85 C	Tube
USB Interface IC USB to I2C Bridge Device MCP2221-I/ST Microchip Technology 1: $4.54 446In Stock	Mfr. Part # MCP2221-I/ST Mouser Part # 579-MCP2221-I/ST	Microchip Technology	USB Interface IC USB to I2C Bridge Device Learn More about Microchip Technology microchip mcp2221 converter	Datasheet	446In Stock	$4.54 $3.77 $3.43	Min.: 1 Mult.: 1	MCP2221	USB Controllers	Bridge, USB to UART/I2C	SMD/SMT	TSSOP-14	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V	5.5 V	13 mA	- 40 C	+ 85 C	Tube
USB Interface IC USB 2.0 to I2C Converter with GPIO MCP2221AT-I/SL Microchip Technology 1: $3.64 455In Stock 2,600Expected 2026-12-28	Mfr. Part # MCP2221AT-I/SL Mouser Part # 579-MCP2221AT-I/SL	Microchip Technology	USB Interface IC USB 2.0 to I2C Converter with GPIO Learn More about Microchip Technology microchip mcp2221 converter	Datasheet	455In Stock 2,600Expected 2026-12-28	Cut Tape $3.64 $3.07 Reel $2.78 MouseReel Available	Min.: 1 Mult.: 1 : 2,600	MCP2221A	USB Controllers	Bridge, USB to UART/I2C	SMD/SMT	SOIC-14	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V	5.5 V	13 mA	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
USB Interface IC USB to I2C Bridge Device MCP2221T-I/ML Microchip Technology 3,300: $3.43 Non-Stocked Lead-Time 22 Weeks	Mfr. Part # MCP2221T-I/ML Mouser Part # 579-MCP2221T-I/ML	Microchip Technology	USB Interface IC USB to I2C Bridge Device Learn More about Microchip Technology microchip mcp2221 converter	Datasheet	Non-Stocked Lead-Time 22 Weeks	Reel $3.43	Min.: 3,300 Mult.: 3,300 : 3,300	MCP2221	USB Controllers	Bridge, USB to UART/I2C	SMD/SMT	QFN-16	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V	5.5 V	13 mA	- 40 C	+ 85 C	Reel
USB Interface IC USB to I2C Bridge Device MCP2221T-I/SL Microchip Technology 2,600: $3.14 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # MCP2221T-I/SL Mouser Part # 579-MCP2221T-I/SL	Microchip Technology	USB Interface IC USB to I2C Bridge Device Learn More about Microchip Technology microchip mcp2221 converter	Datasheet	Non-Stocked Lead-Time 21 Weeks	Reel $3.14	Min.: 2,600 Mult.: 2,600 : 2,600	MCP2221	USB Controllers	Bridge, USB to UART/I2C	SMD/SMT	SOIC-14	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V	5.5 V	13 mA	- 40 C	+ 85 C	Reel

MCP2221 USB-to-UART/I²C Converter

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