Overview
The CP2102N-A02-GQFN20R, produced by Silicon Labs, is a highly integrated USB-to-UART bridge controller that simplifies the process of adding USB connectivity to various applications. This device is part of the USBXpress family and is designed to eliminate the complexity of firmware development, thereby reducing the overall development time. It integrates a USB 2.0 full-speed function controller, USB transceiver, oscillator, and a Universal Asynchronous Receiver/Transmitter (UART) into a compact package, making it ideal for updating RS-232 designs to USB with minimal components and PCB space.
Key Specifications
| Specification | Details |
|---|---|
| Interface Type | UART |
| Data Rate | Up to 3 Mbaud |
| USB Standard | USB 2.0, Full Speed (12 Mbps) |
| Operating Supply Voltage | 3.0 V to 3.6 V |
| Operating Supply Current | 9.5 mA (typical), 13.7 mA (max) |
| Operating Temperature | -40°C to +85°C |
| Package Type | QFN-20 |
| Moisture Sensitivity | Yes |
| Mounting Style | SMD/SMT |
| Number of Ports | 1 Port |
Key Features
- No firmware development required
- Simple GUI-based configurator
- Integrated USB transceiver; no external resistors required
- Integrated clock; no external crystal required
- USB Battery Charger Detection (USB BCS 1.2 Specification)
- Remote wakeup for waking a suspended host
- Low operating current: 9.5 mA
- Royalty-free Virtual COM port drivers
- Internal 960-byte programmable ROM for vendor ID, product ID, serial number, etc.
- On-chip power-on reset circuit and voltage regulator (3.3 V output)
- Hardware or Xon/Xoff handshaking supported
- Data formats supported: 5, 6, 7, and 8 data bits; 1, 1.5, and 2 stop bits; odd, even, mark, space, no parity
Applications
- POS terminals
- USB dongles
- Gaming controllers
- Medical equipment
- Data loggers
Q & A
- What is the CP2102N-A02-GQFN20R used for?
The CP2102N-A02-GQFN20R is used to add USB connectivity to applications by bridging USB to UART, eliminating the need for complex firmware development.
- What are the key features of the CP2102N-A02-GQFN20R?
Key features include no firmware development required, integrated USB transceiver and clock, USB Battery Charger Detection, remote wakeup, and royalty-free Virtual COM port drivers.
- What are the supported data formats for the CP2102N-A02-GQFN20R?
The device supports data formats with 5, 6, 7, and 8 data bits; 1, 1.5, and 2 stop bits; and odd, even, mark, space, no parity.
- What is the operating supply voltage range for the CP2102N-A02-GQFN20R?
The operating supply voltage range is 3.0 V to 3.6 V.
- What is the maximum operating temperature of the CP2102N-A02-GQFN20R?
The maximum operating temperature is +85°C.
- Is the CP2102N-A02-GQFN20R RoHS compliant?
Yes, the CP2102N-A02-GQFN20R is RoHS compliant.
- What is the package type of the CP2102N-A02-GQFN20R?
The package type is QFN-20.
- Does the CP2102N-A02-GQFN20R support hardware handshaking?
Yes, it supports hardware or Xon/Xoff handshaking.
- What operating systems are supported by the CP2102N-A02-GQFN20R?
The device is supported on Windows, Mac, and Linux.
- Does the CP2102N-A02-GQFN20R require external USB components?
No, it does not require any external USB components for development.
