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CP21xx Smart Interface ICs

Silicon Labs CP21xx Smart Interface ICs leverage Silicon Labs' world-class mixed-signal design expertise to provide a family of high-performance interface devices that enable designers to differentiate their products and speed time-to-market. These mixed-signal IC products span different technologies and standards to enable quick and effective communication between two devices or functionalities. These devices include USB to UART bridges, ISB to I²S digital audio bridges, HID USB to SMBus/I²C bridges, and SPI to I²C bridge with GPIO port expanders, and USB to SPI bridges.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (KRW) Filter the results in the table by unit price based on your quantity.	Qty.
I/O Controller Interface IC HID USB to UART Bridge QFN24 CP2110-F01-GM Silicon Labs 1: ₩7,753.2 26,055In Stock	Mfr. Part # CP2110-F01-GM Mouser Part # 634-CP2110-F01-GM	Silicon Labs	I/O Controller Interface IC HID USB to UART Bridge QFN24 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	26,055In Stock	₩7,753.2 ₩5,850 ₩5,366.4 ₩4,851.6 View ₩4,602 ₩4,570.8 ₩4,290 ₩4,180.8	Min.: 1 Mult.: 1
I/O Controller Interface IC HID USB to UART bridge CP2110-F02-GM1R Silicon Labs 1: ₩8,002.8 3,289In Stock	Mfr. Part # CP2110-F02-GM1R Mouser Part # 634-CP2110-F02-GM1R	Silicon Labs	I/O Controller Interface IC HID USB to UART bridge Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	3,289In Stock	Cut Tape ₩8,002.8 ₩6,021.6 ₩5,538 ₩5,007.6 View Reel ₩4,305.6 ₩4,742.4 ₩4,711.2 ₩4,321.2 ₩4,305.6	Min.: 1 Mult.: 1 : 1,500
I/O Controller Interface IC USB to UART Bridge QFN24 CP2104-F03-GMR Silicon Labs 1: ₩8,080.8 20,989In Stock	Mfr. Part # CP2104-F03-GMR Mouser Part # 634-CP2104-F03-GMR	Silicon Labs	I/O Controller Interface IC USB to UART Bridge QFN24 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	20,989In Stock	Cut Tape ₩8,080.8 ₩6,130.8 ₩5,647.2 ₩5,116.8 View Reel ₩4,555.2 ₩4,867.2 ₩4,726.8 ₩4,570.8 ₩4,555.2 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
I/O Controller Interface IC USB to Dual UART Bridge QFN24 CP2105-F01-GM Silicon Labs 1: ₩7,675.2 5,640In Stock	Mfr. Part # CP2105-F01-GM Mouser Part # 634-CP2105-F01-GM	Silicon Labs	I/O Controller Interface IC USB to Dual UART Bridge QFN24 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	5,640In Stock	₩7,675.2 ₩6,068.4 ₩5,226 ₩4,945.2 View ₩4,758 ₩4,680 ₩4,477.2 ₩4,336.8	Min.: 1 Mult.: 1
I/O Controller Interface IC USB to Quad UART Bridge QFN64 CP2108-B03-GMR Silicon Labs 1: ₩19,874.4 12,097In Stock	Mfr. Part # CP2108-B03-GMR Mouser Part # 634-CP2108-B03-GMR	Silicon Labs	I/O Controller Interface IC USB to Quad UART Bridge QFN64 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	12,097In Stock	Cut Tape ₩19,874.4 ₩15,490.8 ₩14,398.8 ₩13,213.2 View Reel ₩11,528.4 ₩13,010.4 ₩12,604.8 ₩12,448.8 ₩11,528.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
USB Interface IC HID USB to SMBUS Bridge QFN24 CP2112-F03-GM Silicon Labs 1: ₩8,065.2 5,599In Stock	Mfr. Part # CP2112-F03-GM Mouser Part # 634-CP2112-F03-GM	Silicon Labs	USB Interface IC HID USB to SMBUS Bridge QFN24 Learn More about Silicon Labs cp2112 hid usb to smbus bridges	Datasheet	5,599In Stock	₩8,065.2 ₩6,068.4 ₩5,226 ₩4,945.2 View ₩4,758 ₩4,680 ₩4,461.6 ₩4,336.8 Quote	Min.: 1 Mult.: 1
USB Interface IC HID USB to SMBUS Bridge QFN24 CP2112-F03-GMR Silicon Labs 1: ₩8,080.8 5,233In Stock	Mfr. Part # CP2112-F03-GMR Mouser Part # 634-CP2112-F03-GMR	Silicon Labs	USB Interface IC HID USB to SMBUS Bridge QFN24 Learn More about Silicon Labs cp2112 hid usb to smbus bridges	Datasheet	5,233In Stock	Cut Tape ₩8,080.8 ₩6,068.4 ₩5,569.2 ₩5,038.8 View Reel ₩4,336.8 ₩4,773.6 ₩4,726.8 ₩4,446 ₩4,336.8 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
USB Interface IC USB to UART Bridge QFN28 CP2102-GMR Silicon Labs 1: ₩15,054 53,401In Stock	Mfr. Part # CP2102-GMR Mouser Part # 634-CP2102-GMR	Silicon Labs	USB Interface IC USB to UART Bridge QFN28 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	53,401In Stock	Cut Tape ₩15,054 ₩11,606.4 ₩10,748.4 ₩9,812.4 View Reel ₩8,564.4 ₩9,422.4 ₩9,282 ₩8,814 ₩8,564.4 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,500
USB Interface IC USBXpress - USB to UART Bridge QFN20 CP2102N-A02-GQFN20 Silicon Labs 1: ₩6,177.6 10,480In Stock 32,760On 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	10,480In Stock 32,760On Order On Order Ship Dates Mfr. #: CP2102N-A02-GQFN20 Stock: 10,480 Can Ship Immediately On Order: 12,600 Expected 10/13/2026 20,160 Expected 5/4/2027 Factory Lead-Time: 31 Weeks	₩6,177.6 ₩5,522.4 ₩4,399.2 ₩4,196.4 View ₩4,102.8 ₩3,369.6 ₩3,244.8	Min.: 1 Mult.: 1
USB Interface IC USBXpress - USB to UART Bridge QFN20 CP2102N-A02-GQFN20R Silicon Labs 1: ₩5,850 38,371In Stock 63,000Expected 1/8/2027	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	38,371In Stock 63,000Expected 1/8/2027	Cut Tape ₩5,850 ₩5,818.8 ₩5,631.6 ₩5,054.4 Reel ₩3,276 View ₩4,617.6 ₩4,305.6 ₩3,790.8 ₩3,244.8 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
I/O Controller Interface IC USB to UART Bridge QFN28 CP2103-GMR Silicon Labs 1: ₩18,657.6 3,170In Stock 3,000Expected 6/4/2027	Mfr. Part # CP2103-GMR Mouser Part # 634-CP2103-GMR	Silicon Labs	I/O Controller Interface IC USB to UART Bridge QFN28 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	3,170In Stock 3,000Expected 6/4/2027	Cut Tape ₩18,657.6 ₩18,049.2 ₩13,603.2 ₩12,495.6 View Reel ₩11,450.4 ₩12,370.8 ₩11,965.2 ₩11,700 ₩11,450.4 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,500
I/O Controller Interface IC USB to UART Bridge QFN24 CP2104-F03-GM Silicon Labs 1: ₩8,408.4 2,005In Stock	Mfr. Part # CP2104-F03-GM Mouser Part # 634-CP2104-F03-GM	Silicon Labs	I/O Controller Interface IC USB to UART Bridge QFN24 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	2,005In Stock	₩8,408.4 ₩6,364.8 ₩5,600.4 ₩5,210.4 View ₩5,023.2 ₩4,867.2 ₩4,773.6 ₩4,664.4	Min.: 1 Mult.: 1
I/O Controller Interface IC USB to Dual UART Bridge QFN24 CP2105-F01-GMR Silicon Labs 1: ₩7,862.4 3,091In Stock 21,000On Order	Mfr. Part # CP2105-F01-GMR Mouser Part # 634-CP2105-F01-GMR	Silicon Labs	I/O Controller Interface IC USB to Dual UART Bridge QFN24 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	3,091In Stock 21,000On Order	Cut Tape ₩7,862.4 ₩5,990.4 ₩5,522.4 ₩5,038.8 View Reel ₩4,336.8 ₩4,804.8 ₩4,758 ₩4,383.6 ₩4,336.8 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
I/O Controller Interface IC USB to Quad UART Bridge QFN64 CP2108-B03-GM Silicon Labs 1: ₩19,359.6 464In Stock 3,900Expected 1/22/2027	Mfr. Part # CP2108-B03-GM Mouser Part # 634-CP2108-B03-GM	Silicon Labs	I/O Controller Interface IC USB to Quad UART Bridge QFN64 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	464In Stock 3,900Expected 1/22/2027	₩19,359.6 ₩15,007.2 ₩13,930.8 ₩12,714 View ₩12,589.2 ₩11,840.4 ₩11,575.2 Quote	Min.: 1 Mult.: 1
I/O Controller Interface IC HID USB to UART bridge CP2110-F01-GMR Silicon Labs 1: ₩7,971.6 4,013In Stock	Mfr. Part # CP2110-F01-GMR Mouser Part # 634-CP2110-F01-GMR	Silicon Labs	I/O Controller Interface IC HID USB to UART bridge Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	4,013In Stock	Cut Tape ₩7,971.6 ₩6,006 ₩5,506.8 ₩4,820.4 Reel ₩4,305.6 View ₩4,742.4 ₩4,695.6 ₩4,414.8 ₩4,290 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
I/O Controller Interface IC HID USB to UART Bridge QFN28 CP2110-F02-GM1 Silicon Labs 1: ₩8,236.8 642In Stock	Mfr. Part # CP2110-F02-GM1 Mouser Part # 634-CP2110-F02-GM1	Silicon Labs	I/O Controller Interface IC HID USB to UART Bridge QFN28 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	642In Stock	₩8,236.8 ₩6,193.2 ₩5,428.8 ₩5,085.6 View ₩4,851.6 ₩4,789.2 ₩4,555.2 ₩4,430.4	Min.: 1 Mult.: 1
USB Interface IC USBXpress - USB to UART Bridge QFN24 CP2102N-A02-GQFN24 Silicon Labs 1: ₩8,034 61In 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	61In Stock 22,932On Order On Order Ship Dates Mfr. #: CP2102N-A02-GQFN24 Stock: 61 Can Ship Immediately On Order: 13,377 Expected 1/1/2027 9,555 Expected 1/8/2027 Factory Lead-Time: 31 Weeks	₩8,034 ₩6,099.6 ₩5,116.8 ₩4,914 View ₩4,804.8 ₩4,648.8 ₩4,539.6	Min.: 1 Mult.: 1
I/O Controller Interface IC USB to UART Bridge QFN28 CP2103-GM Silicon Labs 1: ₩19,827.6 1,125In Stock 10,731Expected 10/16/2026	Mfr. Part # CP2103-GM Mouser Part # 634-CP2103-GM	Silicon Labs	I/O Controller Interface IC USB to UART Bridge QFN28 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	1,125In Stock 10,731Expected 10/16/2026	₩19,827.6 ₩15,288 ₩13,868.4 ₩13,072.8 View ₩12,823.2 ₩12,324 ₩12,058.8 Quote	Min.: 1 Mult.: 1
USB Interface IC USBXpress - USB to UART Bridge QFN24 CP2102N-A02-GQFN24R Silicon Labs 1: ₩6,942 3,079In 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	3,079In Stock 66,000On Order On Order Ship Dates Mfr. #: CP2102N-A02-GQFN24R Stock: 3,079 Can Ship Immediately On Order: 27,000 Expected 1/1/2027 39,000 Expected 1/8/2027 Factory Lead-Time: 31 Weeks	Cut Tape ₩6,942 ₩5,694 ₩5,241.6 ₩4,742.4 Reel ₩4,087.2 View ₩4,492.8 ₩4,399.2 ₩4,180.8 ₩4,071.6 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
USB Interface IC USB to UART Bridge QFN28 CP2102-GM Silicon Labs 1: ₩15,912 3,016Expected 12/25/2026	Mfr. Part # CP2102-GM Mouser Part # 634-CP2102-GM	Silicon Labs	USB Interface IC USB to UART Bridge QFN28 Learn More about Silicon Labs silicon cp21xx usb to uart bridges	Datasheet	3,016Expected 12/25/2026	₩15,912 ₩12,246 ₩10,904.4 ₩10,249.2 ₩10,124.4	Min.: 1 Mult.: 1
USB Interface IC USBXpress - USB to UART Bridge QFN28 CP2102N-A02-GQFN28 Silicon Labs 1: ₩8,860.8 22,106Expected 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	22,106Expected 1/1/2027	₩8,860.8 ₩6,739.2 ₩5,725.2 ₩5,491.2 View ₩5,304 ₩4,882.8	Min.: 1 Mult.: 1
USB Interface IC USBXpress - USB to UART Bridge QFN28 CP2102N-A02-GQFN28R Silicon Labs 1: ₩5,491.2 83,000On 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	83,000On Order On Order Ship Dates Mfr. #: 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 ₩5,491.2 ₩5,148 ₩4,742.4 ₩4,508.4 View Reel ₩3,322.8 ₩4,243.2 ₩4,009.2 ₩3,322.8 ₩3,322.8 MouseReel Available	Min.: 1 Mult.: 1 : 1,500

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