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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Description Datasheet Availability Pricing (DKK) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model 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
Microchip Technology USB Interface IC USB to I2C Bridge Device
Datasheet
501In Stock
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 3 V 5.5 V 13 mA - 40 C + 85 C Tube
Microchip Technology USB Interface IC USB 2.0 to I2C Converter with GPIO
Datasheet
8.322In Stock
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 3 V 5.5 V 13 mA - 40 C + 85 C Tube
Microchip Technology USB Interface IC USB 2.0 to I2C Converter with GPIO
Datasheet
9.108In Stock
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 3 V 5.5 V 13 mA - 40 C + 85 C Reel, Cut Tape, MouseReel
Microchip Technology USB Interface IC USB to I2C Bridge Device
Datasheet
3.627In Stock
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 3 V 5.5 V 13 mA - 40 C + 85 C Reel, Cut Tape, MouseReel
Microchip Technology USB Interface IC USB to I2C Bridge Device
Datasheet
1.708In Stock
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 3 V 5.5 V 13 mA - 40 C + 85 C Tube
Microchip Technology USB Interface IC USB to I2C Bridge Device
Datasheet
533In Stock
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 3 V 5.5 V 13 mA - 40 C + 85 C Tube
Microchip Technology USB Interface IC USB 2.0 to I2C/UART Protocol Converter with GPIO, AEC-Q100 Qualified
Datasheet
4.222In Stock
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 3 V 5.5 V 13 mA - 40 C + 85 C Tube

Microchip Technology USB Interface IC USB 2.0 to I2C Converter with GPIO
Datasheet
880In Stock
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 3 V 5.5 V 13 mA - 40 C + 85 C Tube

Microchip Technology USB Interface IC USB 2.0 to I2C Converter with GPIO
Datasheet
3.077In Stock
4.047Expected 31/08/2026
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 3 V 5.5 V 13 mA - 40 C + 85 C Tube
Microchip Technology USB Interface IC USB 2.0 to I2C Converter with GPIO
Datasheet
1.237In Stock
6.600Expected 26/10/2026
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 3 V 5.5 V 13 mA - 40 C + 85 C Reel, Cut Tape, MouseReel

Microchip Technology USB Interface IC USB 2.0 to I2C Converter with GPIO
Datasheet
915In Stock
2.600Expected 20/08/2026
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 3 V 5.5 V 13 mA - 40 C + 85 C Reel, Cut Tape, MouseReel

Microchip Technology USB Interface IC USB to I2C Bridge Device
Datasheet
308In Stock
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 3 V 5.5 V 13 mA - 40 C + 85 C Tube
Microchip Technology USB Interface IC USB to I2C Bridge Device
Datasheet
Non-Stocked Lead-Time 22 Weeks
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 3 V 5.5 V 13 mA - 40 C + 85 C Reel

Microchip Technology USB Interface IC USB to I2C Bridge Device
Datasheet
Non-Stocked Lead-Time 21 Weeks
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 3 V 5.5 V 13 mA - 40 C + 85 C Reel