Overview
The CP2102N-A02-GQFN24R, produced by Silicon Labs, is a highly integrated USB-to-UART bridge controller designed to simplify the addition of USB functionality to various applications. This device is part of the USBXpress family and is notable for its ease of use, eliminating the need for complex firmware and driver development. It integrates a USB 2.0 full-speed function controller, USB transceiver, oscillator, and Universal Asynchronous Receiver/Transmitter (UART) in a compact package, making it ideal for updating RS-232 designs to USB with minimal components and PCB space.
Key Specifications
| Specification | Value |
|---|---|
| Package Type | QFN24 |
| Package Size (mm) | 4x4 |
| Digital I/O Pins | 4 |
| USB Specification | USB 2.0 full-speed (12 Mbps) |
| UART Baud Rates | 300 baud to 3 Mbaud |
| Data Bits | 5, 6, 7, and 8 |
| Stop Bits | 1, 1.5, and 2 |
| Parity | Odd, even, mark, space, no parity |
| Receive Buffer | 512 bytes |
| Transmit Buffer | 512 bytes |
| Operating Voltage | 3.0 to 3.6 V or 3.0 to 5.25 V |
| Operating Current | 9.5 mA |
| Temperature Range | -40 to +85 °C |
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
- Internal 960-byte programmable ROM for vendor ID, product ID, serial number, power descriptor, release number, and product description strings
- On-chip power-on reset circuit and voltage regulator (3.3 V output)
- Hardware or Xon/Xoff handshaking supported
- Royalty-free Virtual COM port drivers
- Supported on Windows, Mac, and Linux
Applications
- POS terminals
- USB dongles
- Gaming controllers
- Medical equipment
- Data loggers
Q & A
- What is the CP2102N-A02-GQFN24R used for? The CP2102N-A02-GQFN24R is used to add USB functionality to applications, particularly for updating RS-232 designs to USB.
- Does the CP2102N require external USB components? No, the CP2102N does not require any external USB components for development.
- What is the maximum baud rate supported by the CP2102N? The CP2102N supports baud rates up to 3 Mbaud.
- What operating systems are supported by the CP2102N? The CP2102N is supported on Windows, Mac, and Linux.
- Does the CP2102N have integrated clock and USB transceiver? Yes, the CP2102N has an integrated clock and USB transceiver, eliminating the need for external resistors and crystals.
- What is the package size of the CP2102N-A02-GQFN24R? The package size is 4x4 mm.
- What is the operating voltage range of the CP2102N? The operating voltage range is 3.0 to 3.6 V or 3.0 to 5.25 V.
- Does the CP2102N support USB Battery Charger Detection? Yes, the CP2102N supports USB Battery Charger Detection according to the USB BCS 1.2 Specification.
- What is the temperature range of the CP2102N? The temperature range is -40 to +85 °C.
- Are the Virtual COM port drivers royalty-free? Yes, the Virtual COM port drivers are royalty-free.
