I/O Controller Interface IC

.hide-partial { max-height: none; } .show-more { display: none; }

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.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 12

Applied Filters:

Package / Case

Series

Product

Interface Type

Number of I/Os

Supply Voltage - Max

Supply Voltage - Min

Minimum Operating Temperature

Maximum Operating Temperature

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

I/O Controller Interface IC HID USB to UART Bridge QFN24

CP2110-F01-GM
Silicon Labs
1: S/19.31
26,166In 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

Datasheet

26,166In Stock

S/19.31

S/14.56

S/13.35

S/12.07

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

CP2110

3.3 V

- 40 C

+ 85 C

Tube

I/O Controller Interface IC USB to Quad UART Bridge QFN64

CP2108-B03-GM
Silicon Labs
1: S/48.31
2,238In Stock

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

Datasheet

2,238In Stock

S/48.31

S/37.45

S/34.76

S/31.72

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-64

CP2108

I/O Controllers

Serial

3.6 V

3 V

- 40 C

+ 85 C

Tray

I/O Controller Interface IC USB to Quad UART Bridge QFN64

CP2108-B03-GMR
Silicon Labs
1: S/48.81
19,255In 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

Datasheet

19,255In Stock

Cut Tape

S/48.81

S/38.22

S/35.58

S/32.70

View

Reel

S/31.22

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

QFN-64

CP2108

Reel, Cut Tape, MouseReel

I/O Controller Interface IC USB to UART Bridge QFN28

CP2103-GM
Silicon Labs
1: S/48.23
2,087In Stock
4,599Expected 9/18/2026

Mfr. Part #
CP2103-GM

Mouser Part #
634-CP2103-GM

Silicon Labs

I/O Controller Interface IC USB to UART Bridge QFN28

Learn More

Datasheet

2,087In Stock

4,599Expected 9/18/2026

S/48.23

S/37.60

S/34.57

S/32.15

View

Min.: 1
Mult.: 1

SMD/SMT

MLP-28

CP2103

3.6 V

- 55 C

+ 125 C

Tube

I/O Controller Interface IC USB to UART Bridge QFN28

CP2103-GMR
Silicon Labs
1: S/47.06
2,325In Stock
4,500Expected 10/30/2026

Mfr. Part #
CP2103-GMR

Mouser Part #
634-CP2103-GMR

Silicon Labs

I/O Controller Interface IC USB to UART Bridge QFN28

Learn More

Datasheet

2,325In Stock

4,500Expected 10/30/2026

Cut Tape

S/47.06

S/36.90

S/34.02

S/31.92

View

Reel

S/28.57

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

MLP-28

CP2103

3.6 V

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

I/O Controller Interface IC USB to UART Bridge QFN24

CP2104-F03-GM
Silicon Labs
1: S/19.93
2,002In Stock
1,911Expected 7/30/2026

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

Datasheet

2,002In Stock

1,911Expected 7/30/2026

S/19.93

S/15.22

S/13.97

S/12.73

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

CP2104

3.3 V

- 40 C

+ 85 C

Tube

I/O Controller Interface IC USB to Dual UART Bridge QFN24

CP2105-F01-GM
Silicon Labs
1: S/20.16
2,803In Stock
5,733Expected 7/30/2026

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

Datasheet

2,803In Stock

5,733Expected 7/30/2026

S/20.16

S/15.18

S/13.04

S/12.38

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

CP2105

3.3 V

- 40 C

+ 85 C

Tube

I/O Controller Interface IC HID USB to UART bridge

CP2110-F01-GMR
Silicon Labs
1: S/19.35
4,023In 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

Datasheet

4,023In Stock

Cut Tape

S/19.35

S/14.60

S/13.39

S/12.11

View

Reel

S/10.43

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-24

CP2110

HID USB to UART Bridges

UART

10 I/O

3.6 V

3 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

I/O Controller Interface IC HID USB to UART Bridge QFN28

CP2110-F02-GM1
Silicon Labs
1: S/20.55
694In 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

Datasheet

694In Stock

S/20.55

S/15.45

S/13.55

S/12.69

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-28

CP2110

3.6 V

3 V

- 40 C

+ 85 C

Tube

I/O Controller Interface IC HID USB to UART bridge

CP2110-F02-GM1R
Silicon Labs
1: S/19.93
3,314In 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

Datasheet

3,314In Stock

Cut Tape

S/19.93

S/14.99

S/13.78

S/12.73

Reel

S/12.73

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-28

CP2110

HID USB to UART Bridges

UART

10 I/O

3.6 V

3 V

- 40 C

+ 85 C

Reel, Cut Tape

I/O Controller Interface IC USB to UART Bridge QFN24

CP2104-F03-GMR
Silicon Labs
1: S/19.93
22,480On Order

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

Datasheet

22,480On Order

Cut Tape

S/19.93

S/15.22

S/14.01

S/12.73

Reel

S/11.37

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-24

CP2104

USB to UART Bridges

UART

4 I/O

3.6 V

3 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

I/O Controller Interface IC USB to Dual UART Bridge QFN24

CP2105-F01-GMR
Silicon Labs
1: S/20.12
34,169On 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

Datasheet

34,169On Order

Cut Tape

S/20.12

S/15.14

S/13.90

S/12.53

Reel

S/10.86

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-24

CP2105

USB to Dual UART Bridges

UART

5 I/O

3.6 V

3 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

CP21xx Smart Interface ICs

Customer Service Office

Company

Resources

Support