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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 (SGD) 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: $6.76 26,055In Stock	Mfr. Part No. CP2110-F01-GM Mouser Part No 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	$6.76 $5.10 $4.68 $4.23 View $4.01 $3.98 $3.74 $3.64	Min.: 1 Mult.: 1
I/O Controller Interface IC HID USB to UART bridge CP2110-F02-GM1R Silicon Labs 1: $6.98 3,289In Stock	Mfr. Part No. CP2110-F02-GM1R Mouser Part No 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 $6.98 $5.25 $4.83 $4.37 View Reel $3.75 $4.13 $4.11 $3.77 $3.75	Min.: 1 Mult.: 1 : 1,500
I/O Controller Interface IC USB to UART Bridge QFN24 CP2104-F03-GMR Silicon Labs 1: $7.04 20,989In Stock	Mfr. Part No. CP2104-F03-GMR Mouser Part No 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 $7.04 $5.34 $4.92 $4.46 View Reel $3.97 $4.24 $4.12 $3.98 $3.97 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: $6.69 5,565In Stock 100Expected 8/10/2026	Mfr. Part No. CP2105-F01-GM Mouser Part No 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	5,565In Stock 100Expected 8/10/2026	$6.69 $5.29 $4.56 $4.31 View $4.15 $4.08 $3.90 $3.78	Min.: 1 Mult.: 1
I/O Controller Interface IC USB to Quad UART Bridge QFN64 CP2108-B03-GMR Silicon Labs 1: $17.33 11,797In Stock	Mfr. Part No. CP2108-B03-GMR Mouser Part No 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	11,797In Stock	Cut Tape $17.33 $13.50 $12.55 $11.52 View Reel $10.05 $11.34 $10.99 $10.85 $10.05 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
USB Interface IC HID USB to SMBUS Bridge QFN24 CP2112-F03-GM Silicon Labs 1: $7.03 5,599In Stock	Mfr. Part No. CP2112-F03-GM Mouser Part No 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	$7.03 $5.29 $4.56 $4.31 View $4.15 $4.08 $3.89 $3.78 Quote	Min.: 1 Mult.: 1
USB Interface IC HID USB to SMBUS Bridge QFN24 CP2112-F03-GMR Silicon Labs 1: $7.04 5,133In Stock	Mfr. Part No. CP2112-F03-GMR Mouser Part No 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	5,133In Stock	Cut Tape $7.04 $5.29 $4.86 $4.39 View Reel $3.78 $4.16 $4.12 $3.88 $3.78 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
USB Interface IC USB to UART Bridge QFN28 CP2102-GMR Silicon Labs 1: $13.12 53,559In Stock	Mfr. Part No. CP2102-GMR Mouser Part No 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	53,559In Stock	Cut Tape $13.12 $10.12 $9.37 $8.55 View Reel $7.47 $8.21 $8.09 $7.68 $7.47 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,500
USB Interface IC USBXpress - USB to UART Bridge QFN20 CP2102N-A02-GQFN20 Silicon Labs 1: $5.39 9,420In Stock 32,760On Order	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	9,420In Stock 32,760On Order On Order Ship Dates Mfr. No: CP2102N-A02-GQFN20 Stock: 9,420 Can Dispatch Immediately On Order: 12,600 Expected 13/10/2026 20,160 Expected 5/2/2027 Factory Lead Time: 31 Weeks	$5.39 $4.81 $3.84 $3.66 View $3.58 $2.94 $2.83	Min.: 1 Mult.: 1
USB Interface IC USBXpress - USB to UART Bridge QFN20 CP2102N-A02-GQFN20R Silicon Labs 1: $5.10 37,960In Stock 63,000Expected 8/1/2027	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	37,960In Stock 63,000Expected 8/1/2027	Cut Tape $5.10 $5.07 $4.91 $4.41 Reel $2.86 View $4.03 $3.75 $3.30 $2.83 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
I/O Controller Interface IC USB to UART Bridge QFN28 CP2103-GMR Silicon Labs 1: $16.27 3,170In Stock 3,000Expected 4/6/2027	Mfr. Part No. CP2103-GMR Mouser Part No 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 4/6/2027	Cut Tape $16.27 $15.74 $11.86 $10.89 View Reel $9.98 $10.78 $10.43 $10.20 $9.98 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: $7.33 2,005In Stock	Mfr. Part No. CP2104-F03-GM Mouser Part No 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	$7.33 $5.55 $4.88 $4.54 View $4.38 $4.24 $4.16 $4.07	Min.: 1 Mult.: 1
I/O Controller Interface IC USB to Dual UART Bridge QFN24 CP2105-F01-GMR Silicon Labs 1: $6.85 2,855In Stock 21,000On Order	Mfr. Part No. CP2105-F01-GMR Mouser Part No 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	2,855In Stock 21,000On Order	Cut Tape $6.85 $5.22 $4.81 $4.39 View Reel $3.78 $4.19 $4.15 $3.82 $3.78 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: $16.88 464In Stock 3,900Expected 22/1/2027	Mfr. Part No. CP2108-B03-GM Mouser Part No 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 22/1/2027	$16.88 $13.08 $12.14 $11.08 View $10.98 $10.32 $10.09 Quote	Min.: 1 Mult.: 1
I/O Controller Interface IC HID USB to UART bridge CP2110-F01-GMR Silicon Labs 1: $6.95 4,013In Stock	Mfr. Part No. CP2110-F01-GMR Mouser Part No 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 $6.95 $5.24 $4.80 $4.20 Reel $3.75 View $4.13 $4.09 $3.85 $3.74 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: $7.18 642In Stock	Mfr. Part No. CP2110-F02-GM1 Mouser Part No 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	$7.18 $5.40 $4.73 $4.43 View $4.23 $4.18 $3.97 $3.86	Min.: 1 Mult.: 1
USB Interface IC USBXpress - USB to UART Bridge QFN24 CP2102N-A02-GQFN24R Silicon Labs 1: $6.05 61In 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	61In Stock 66,000On Order On Order Ship Dates Mfr. No: CP2102N-A02-GQFN24R Stock: 61 Can Dispatch Immediately On Order: 27,000 Expected 1/1/2027 39,000 Expected 8/1/2027 Factory Lead Time: 31 Weeks	Cut Tape $6.05 $4.96 $4.57 $4.13 Reel $3.56 View $3.92 $3.84 $3.64 $3.55 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
I/O Controller Interface IC USB to UART Bridge QFN28 CP2103-GM Silicon Labs 1: $17.29 1,125In Stock 10,731Expected 21/10/2026	Mfr. Part No. CP2103-GM Mouser Part No 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 21/10/2026	$17.29 $13.33 $12.09 $11.40 View $11.18 $10.74 $10.51 Quote	Min.: 1 Mult.: 1
USB Interface IC USBXpress - USB to UART Bridge QFN24 CP2102N-A02-GQFN24 Silicon Labs 1: $7.00 61In 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	61In Stock 22,932On Order On Order Ship Dates Mfr. No: CP2102N-A02-GQFN24 Stock: 61 Can Dispatch Immediately On Order: 13,377 Expected 1/1/2027 9,555 Expected 8/1/2027 Factory Lead Time: 31 Weeks	$7.00 $5.32 $4.46 $4.28 View $4.19 $4.05 $3.96	Min.: 1 Mult.: 1
USB Interface IC USB to UART Bridge QFN28 CP2102-GM Silicon Labs 1: $13.87 3,016Expected 25/12/2026	Mfr. Part No. CP2102-GM Mouser Part No 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 25/12/2026	$13.87 $10.68 $9.51 $8.94 $8.83	Min.: 1 Mult.: 1
USB Interface IC USBXpress - USB to UART Bridge QFN28 CP2102N-A02-GQFN28 Silicon Labs 1: $7.72 22,106Expected 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	22,106Expected 1/1/2027	$7.72 $5.88 $4.99 $4.79 View $4.62 $4.26	Min.: 1 Mult.: 1
USB Interface IC USBXpress - USB to UART Bridge QFN28 CP2102N-A02-GQFN28R Silicon Labs 1: $4.79 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 8/1/2027 Factory Lead Time: 31 Weeks	Cut Tape $4.79 $4.49 $4.13 $3.93 View Reel $2.90 $3.70 $3.50 $2.90 $2.90 MouseReel Available	Min.: 1 Mult.: 1 : 1,500

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