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CP2102N USBXpress™ USB-to-UART Bridge Controller

Silicon Labs CP2102N USBXpress™ USB-to-UART Bridge Controller updates RS-232 designs to USB using minimum components and PCB space. The CP2102N includes a USB 2.0 full-speed function controller, USB transceiver, oscillator, and Universal Asynchronous Receiver/Transmitter (UART). The Controller is housed in packages as small as 3mm x 3mm. No other external USB components are required.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) 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
	USB Interface IC USBXpress - USB to UART Bridge QFN20 CP2102N-A02-GQFN20 Silicon Labs 1: $4.512 10.234In Stock 31.420On Order	Mfr. Part # CP2102N-A02-GQFN20 Mouser Part # 634-CP2102NA02GQFN20	Silicon Labs	USB Interface IC USBXpress - USB to UART Bridge QFN20 Learn More about Silicon Labs silabs cp2102n usbxpress usb uart bridge controllers	Datasheet	10.234In Stock 31.420On Order On Order Ship Dates Mfr. #: CP2102N-A02-GQFN20 Stock: 10.234 Can Ship Immediately On Order: 11.260 Expected 11/9/2026 20.160 Expected 1/8/2027 Factory Lead-Time: 31 Weeks	$4.512 $4.033 $3.213 $3.065 View $2.996 $2.461 $2.370	Min.: 1 Mult.: 1			CP2102N	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-20	USB 2.0	Full Speed (FS)	3 Mb/s	3 V	3.6 V	13.7 mA	- 40 C	+ 85 C	Tube
	USB Interface IC USBXpress - USB to UART Bridge QFN20 CP2102N-A02-GQFN20R Silicon Labs 1: $5.172 34.099In Stock 63.000Expected 12/4/2026	Mfr. Part # CP2102N-A02-GQFN20R Mouser Part # 634-CP2102NA02QFN20R	Silicon Labs	USB Interface IC USBXpress - USB to UART Bridge QFN20 Learn More about Silicon Labs silabs cp2102n usbxpress usb uart bridge controllers	Datasheet	34.099In Stock 63.000Expected 12/4/2026	Cut Tape $5.172 $3.896 $3.577 $3.236 View Reel $2.791 $3.065 $3.042 $2.860 $2.791 MouseReel Available	Min.: 1 Mult.: 1 : 2.500			CP2102N	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-20	USB 2.0	Full Speed (FS)	3 Mb/s	3 V	3.6 V	13.7 mA	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
	USB Interface IC USBXpress - USB to UART Bridge QFN24 CP2102N-A02-GQFN24 Silicon Labs 1: $5.993 57In Stock 22.932On Order	Mfr. Part # CP2102N-A02-GQFN24 Mouser Part # 634-CP2102NA02GQFN24	Silicon Labs	USB Interface IC USBXpress - USB to UART Bridge QFN24 Learn More about Silicon Labs silabs cp2102n usbxpress usb uart bridge controllers	Datasheet	57In Stock 22.932On Order On Order Ship Dates Mfr. #: CP2102N-A02-GQFN24 Stock: 57 Can Ship Immediately On Order: 13.377 Expected 1/1/2027 9.555 Expected 1/8/2027 Factory Lead-Time: 31 Weeks	$5.993 $4.546 $3.805 $3.589 View $3.509 $3.395 $3.315 $3.224	Min.: 1 Mult.: 1			CP2102N	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-24	USB 2.0	Full Speed (FS)	3 Mb/s	3 V	3.6 V	13.7 mA	- 40 C	+ 85 C	Tube
	USB Interface IC USBXpress - USB to UART Bridge QFN24 CP2102N-A02-GQFN24R Silicon Labs 1: $6.220 57In Stock 66.000On Order	Mfr. Part # CP2102N-A02-GQFN24R Mouser Part # 634-CP2102NA02QFN24R	Silicon Labs	USB Interface IC USBXpress - USB to UART Bridge QFN24 Learn More about Silicon Labs silabs cp2102n usbxpress usb uart bridge controllers	Datasheet	57In Stock 66.000On Order On Order Ship Dates Mfr. #: CP2102N-A02-GQFN24R Stock: 57 Can Ship Immediately On Order: 27.000 Expected 1/1/2027 39.000 Expected 1/8/2027 Factory Lead-Time: 31 Weeks	Cut Tape $6.220 $4.717 $4.341 $3.167 View Reel $2.803 $3.008 $2.985 $2.803 $2.803 MouseReel Available	Min.: 1 Mult.: 1 : 2.500			CP2102N	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-24	USB 2.0	Full Speed (FS)	3 Mb/s	3 V	3.6 V	13.7 mA	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
	USB Interface IC USBXpress - USB to UART Bridge QFN28 CP2102N-A02-GQFN28 Silicon Labs 1: $6.107 22.061Expected 1/1/2027	Mfr. Part # CP2102N-A02-GQFN28 Mouser Part # 634-CP2102NA02GQFN28	Silicon Labs	USB Interface IC USBXpress - USB to UART Bridge QFN28 Learn More about Silicon Labs silabs cp2102n usbxpress usb uart bridge controllers	Datasheet	22.061Expected 1/1/2027	$6.107 $4.637 $3.953 $3.782 View $3.646 $3.555 $3.463 $3.361	Min.: 1 Mult.: 1			CP2102N	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-28	USB 2.0	Full Speed (FS)	3 Mb/s	3 V	3.6 V	13.7 mA	- 40 C	+ 85 C	Tube
	USB Interface IC USBXpress - USB to UART Bridge QFN28 CP2102N-A02-GQFN28R Silicon Labs 1: $4.010 83.320On Order	Mfr. Part # CP2102N-A02-GQFN28R Mouser Part # 634-CP2102NA02QFN28R	Silicon Labs	USB Interface IC USBXpress - USB to UART Bridge QFN28 Learn More about Silicon Labs silabs cp2102n usbxpress usb uart bridge controllers	Datasheet	83.320On Order On Order Ship Dates Mfr. #: CP2102N-A02-GQFN28R Stock: 0 On Order: 21.820 Expected 1/1/2027 61.500 Expected 1/8/2027 Factory Lead-Time: 31 Weeks	Cut Tape $4.010 $3.760 $3.463 $3.293 View Reel $2.427 $3.099 $2.928 $2.427 $2.427 MouseReel Available	Min.: 1 Mult.: 1 : 2.500			CP2102N	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-28	USB 2.0	Full Speed (FS)	3 Mb/s	3 V	3.6 V	13.7 mA	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel