Overview
The CP2102N-A02-GQFN28, produced by Silicon Labs, is a highly integrated USB-to-UART bridge controller that simplifies the process of adding USB functionality 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 includes a USB 2.0 full-speed function controller, USB transceiver, oscillator, and Universal Asynchronous Receiver/Transmitter (UART) in a compact 28-pin QFN package.
This component is particularly useful for updating legacy RS-232 designs to USB with minimal components and PCB space. It features a simple GUI-based configurator for all customization and configuration options, making it user-friendly and efficient.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Silicon Labs |
| Part Number | CP2102N-A02-GQFN28 |
| Package | 28-WFQFN Exposed Pad |
| Protocol | USB 2.0 |
| Function | USB to UART Bridge |
| Interface | UART |
| Supply Voltage | 3.0 to 3.6 V or 3.0 to 5.25 V |
| Operating Current | 9.5 mA |
| Operating Temperature | -40°C to +85°C |
| Baud Rates | 300 baud to 3 Mbaud |
| Receive Buffer | 512 bytes |
| Transmit Buffer | 512 bytes |
| Handshaking | Hardware or Xon/Xoff supported |
| Compliance | RoHS Compliant, USB 2.0 Specification |
Key Features
- No firmware development required
- Simple GUI-based configurator
- Integrated USB transceiver; no external resistors required
- Integrated clock; no external crystal required
- USB 2.0 full-speed compatible
- Data transfer rates up to 3 Mbaud
- 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)
Applications
- POS terminals
- USB dongles
- Gaming controllers
- Medical equipment
- Data loggers
- Updating legacy RS-232 designs to USB
Q & A
- What is the primary function of the CP2102N-A02-GQFN28?
The CP2102N-A02-GQFN28 is a USB-to-UART bridge controller, designed to add USB functionality to applications by bridging USB and UART interfaces.
- What are the key benefits of using the CP2102N-A02-GQFN28?
The key benefits include no firmware development required, a simple GUI-based configurator, integrated USB transceiver and clock, and low operating current.
- What are the supported baud rates for the CP2102N-A02-GQFN28?
The device supports baud rates from 300 baud to 3 Mbaud.
- Is the CP2102N-A02-GQFN28 RoHS compliant?
- What is the operating temperature range of the CP2102N-A02-GQFN28?
The operating temperature range is -40°C to +85°C.
- Does the CP2102N-A02-GQFN28 support remote wakeup?
- What is the supply voltage range for the CP2102N-A02-GQFN28?
The supply voltage range is 3.0 to 3.6 V or 3.0 to 5.25 V.
- Does the CP2102N-A02-GQFN28 have an integrated voltage regulator?
- What are some common applications for the CP2102N-A02-GQFN28?
- Are the Virtual COM port drivers for the CP2102N-A02-GQFN28 royalty-free?
