CP2102N-A02-GQFN20

Part: CP2102N — USBXpress Family (Silicon Labs)

Type: USB-to-UART Bridge Controller

Description: Highly-integrated USB-to-UART bridge controller providing USB 2.0 full-speed compatibility, data transfer rates up to 3 Mbaud, and an integrated oscillator and USB transceiver, requiring no external crystal or resistors.

Operating Conditions:

• Supply voltage: 3.0–3.6 V (VDD) or 3.0–5.25 V (VREGIN)
• Operating temperature: -40 to +85 °C
• VIO operating supply voltage: 1.71 V to VDD

Absolute Maximum Ratings:

• Max supply voltage: VIO + 2.5 V (on VBUS pin)

Key Specs:

• Normal operation current (115200 baud): 9.5 mA (Typ)
• Normal operation current (3 Mbaud): 13.7 mA (Typ)
• USB Suspend current: 195 μA (Typ)
• UART baud rates: 300 baud to 3 Mbaud
• Internal oscillator frequency: 47.3 to 48.7 MHz
• On-chip voltage regulator output: 3.1 to 3.6 V (Typ 3.3 V)
• On-chip voltage regulator max output current: 100 mA
• Configuration memory endurance: 20k write/erase cycles (Min)

Features:

• Single-Chip USB-to-UART Data Transfer
• Integrated USB transceiver; no external resistors required
• Integrated clock; no external crystal required
• Internal 960-byte programmable ROM
• On-chip power-on reset circuit and 3.3 V voltage regulator
• USB 2.0 full-speed compatible (12 Mbps)
• USB Battery Charger Detection (USB BCS 1.2 Specification)
• Remote wakeup for waking a suspended host
• 512 byte receive buffer, 512 byte transmit buffer
• Hardware or Xon/Xoff handshaking supported
• Royalty-free Virtual COM Port drivers for Windows, Mac, and Linux

Applications:

• POS terminals
• USB dongles
• Gaming controllers
• Medical equipment
• Data loggers

Package:

• QFN28 (7 GPIOs)
• QFN24 (4 GPIOs)
• QFN20 (4 GPIOs)

• 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
• Medical equipment
• Data loggers

All electrical parameters in all tables are specified under the conditions listed in Table 3.1 Recommended Operating Conditions on page 10, unless stated otherwise.

Stresses above those listed in 3.3 Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and functional operation of the devices at those or any other conditions above those indicated in the operation listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability. For more information on the available quality and reliability data, see the Quality and Reliability Monitor Report at http://www.silabs.com/support/quality/pages/ default.aspx.

Table 3.10. Absolute Maximum Ratings

1. Exposure to maximum rating conditions for extended periods may affect device reliability.

2. On devices without a VIO pin, V IO = V DD

Table 3.1. Recommended Operating Conditions

1. Standard USB compliance tests require 3.0 V on VDD for compliant operation.
2. All voltages with respect to GND.
3. On devices without a VIO pin, V IO = V DD .
4. GPIO levels are undefined whenever VIO is less than 1 V.

Table 3.9. Thermal Conditions

1. Thermal resistance assumes a multi-layer PCB with any exposed pad soldered to a PCB pad.

Figure 6.1. QFN28 Package Drawing

Table 6.1. QFN28 Package Dimensions