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 (EUR) 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
1 763In 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
556In 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 718In 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
2 489In Stock
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 2.0 to I2C Converter with GPIO
Datasheet
1 310In Stock
3 300Expected 24/07/2026
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 to I2C Bridge Device
Datasheet
1 672In 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
295In 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 to I2C Bridge Device
Datasheet
356In 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 2.0 to I2C/UART Protocol Converter with GPIO, AEC-Q100 Qualified
Datasheet
173In Stock
2 275Expected 13/07/2026
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
9 829On Order
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 2.0 to I2C Converter with GPIO
Datasheet
887Expected 06/07/2026
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 556On Order
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 to I2C Bridge Device
Datasheet
Non-Stocked Lead-Time 17 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 17 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