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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 (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
	USB Interface IC USBXpress - USB to UART Bridge QFN20 CP2102N-A02-GQFN20 Silicon Labs 1: 3,41 € 11.662In Stock 12.600Expected 10/9/2026	Mfr. Part No. CP2102N-A02-GQFN20 Mouser Part No 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	11.662In Stock 12.600Expected 10/9/2026	3,41 € 3,04 € 2,43 € 2,31 € View 2,26 € 1,86 €	Min.: 1 Mult.: 1			CP2102N	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-20	USB 2.0	Full Speed (FS)	3 Mb/s,kb	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: 3,23 € 39.279In Stock 63.000Expected 1/8/2027	Mfr. Part No. CP2102N-A02-GQFN20R Mouser Part No 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	39.279In Stock 63.000Expected 1/8/2027	Cut Tape 3,23 € 3,21 € 3,10 € 2,79 € View Reel 1,86 € 2,55 € 2,37 € 2,09 € 1,86 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500			CP2102N	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-20	USB 2.0	Full Speed (FS)	3 Mb/s,kb	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: 4,88 € 665In Stock 22.995Expected 1/1/2027	Mfr. Part No. CP2102N-A02-GQFN28 Mouser Part No 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	665In Stock 22.995Expected 1/1/2027	4,88 € 3,72 € 3,16 € 3,03 € View 2,92 € 2,69 €	Min.: 1 Mult.: 1			CP2102N	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-28	USB 2.0	Full Speed (FS)	3 Mb/s,kb	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: 4,70 € 3.823In Stock 66.000On Order	Mfr. Part No. CP2102N-A02-GQFN24R Mouser Part No 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	3.823In Stock 66.000On Order On Order Ship Dates Mfr. No: CP2102N-A02-GQFN24R Stock: 3.823 Can Dispatch Immediately On Order: 27.000 Expected 1/1/2027 39.000 Expected 1/8/2027 Factory Lead Time: 31 Weeks	Cut Tape 4,70 € 3,56 € 3,28 € 2,97 € View Reel 2,07 € 2,82 € 2,73 € 2,07 € 2,07 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500			CP2102N	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-24	USB 2.0	Full Speed (FS)	3 Mb/s,kb	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: 4,43 € 379In Stock 22.932On Order	Mfr. Part No. CP2102N-A02-GQFN24 Mouser Part No 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	379In Stock 22.932On Order On Order Ship Dates Mfr. No: CP2102N-A02-GQFN24 Stock: 379 Can Dispatch Immediately On Order: 13.377 Expected 1/1/2027 9.555 Expected 1/8/2027 Factory Lead Time: 31 Weeks	4,43 € 3,36 € 2,82 € 2,71 € View 2,65 € 2,56 € 2,50 €	Min.: 1 Mult.: 1			CP2102N	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-24	USB 2.0	Full Speed (FS)	3 Mb/s,kb	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: 3,03 € 83.000On Order	Mfr. Part No. CP2102N-A02-GQFN28R Mouser Part No 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	83.000On Order On Order Ship Dates Mfr. No: CP2102N-A02-GQFN28R Stock: 0 On Order: 21.500 Expected 1/1/2027 61.500 Expected 1/8/2027 Factory Lead Time: 31 Weeks	Cut Tape 3,03 € 2,84 € 2,61 € 2,49 € View Reel 1,95 € 2,34 € 2,21 € 1,95 € 1,95 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500			CP2102N	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-28	USB 2.0	Full Speed (FS)	3 Mb/s,kb	3 V	3.6 V	13.7 mA	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel