CP2102N-A01-GQFN28

Series:	USBXpress™
Packaging:	Tube
Part Status:	Active
Protocol:	USB
Function:	Bridge, USB to UART
Interface:	UART
Standards:	USB 2.0
Voltage - Supply:	3 V ~ 3.6 V
Current - Supply:	9.5mA
Operating Temperature:	-40°C ~ 85°C
Package / Case:	28-WFQFN Exposed Pad
Supplier Device Package:	28-QFN (5x5)

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CP2102N-A01-GQFN28 Application Field and Working Principle

The CP2102N-A01-GQFN28 is an integrated interface controller from Silicon Labs. It is designed to convert USB-2.0 Full-Speed signals to a UART interface. It provides an efficient solution for USB-to-serial designs, while also providing an easy to implement bridge between USB and asynchronous serial protocols.

Applications

The CP2102N-A01-GQFN28 is mainly used in industries such as computer, consumer, automotive and industrial application areas. Its applications include point-of-sale scanners, GPS receivers, industrial monitoring and control, home automation and other automation systems, medical instrumentation, data acquisition systems, audio and video processing, and more. Generally, the USB-2.0 Full-Speed interface can be used to create bridge between USB and asynchronous serial protocols, such as UART. Compared with 8051 and other 8-bit MCUs, the CP2102N-A01-GQFN28 offers a more cost-effective, efficient, and easier-to-implement alternative.

Working Principle

The CP2102N-A01-GQFN28 is an integrated circuit (IC) that can function as both a USB-2.0 Full-Speed interface controller and a UART bridge. It is a single chip solution that includes an integrated USB transceiver, USB controller, USB protocol stack and a UART interface. The USB-2.0 Full-Speed interface supports a data transfer rate up to 12 Mbps. The controller is compatible with USB-IF (USB Implementers Forum) specifications, so it can use the standardized BCD (Bus Configuration Data) for self-enumeration. The USB protocol stack allows for hostless or enumeration operation.The UART interface supports RS-232 and compatible protocols. It is equipped with an integrated 8 byte FIFO buffer, allowing for improved throughput. The output signals are adjustable for maximum compatibility with various devices. The low power CMOS design also helps to reduce power consumption.

Conclusion

The CP2102N-A01-GQFN28 is an interface controller ideal for bridging communications between USB-2.0 Full-Speed and UART communications. Its applications range from point-of-sale scanners and GPS receivers to medical instrumentation and more. Its integrated USB transceiver, USB controller, USB protocol stack, and UART interface make it an efficient, cost-effective, and easy to implement solution for various USB-to-serial designs.

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