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CP2102-GMR

Interface IC low speed/full speed USB to UART bridge USB 2.0 3.3V, CP2102-GMR, VFQFN-28

Manufacturer: silicon laboratories
Mfr.Part #: CP2102-GMR
Datasheet: CP2102-GMR Datasheet (PDF)
Package/Case: QFN-28
Product Type: Interface ICs
RoHS:
Lifecycle: Active

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CP2102-GMR General Description

The CP2102-GMR is a specific part number associated with the CP2102 family of USB-to-UART bridge controllers manufactured by Silicon Labs (formerly known as Silicon Laboratories). These bridge controllers are designed to provide a seamless and efficient way to interface USB (Universal Serial Bus) with UART (Universal Asynchronous Receiver-Transmitter) serial communication.

CP2102-GMR System Diagram

CP2102-GMR System Diagram

Key Features

Single-Chip USB to UART Data Transfer
- Integrated USB transceiver; no external resistors
required
- Integrated clock; no external crystal required
- Internal 1024-byte programmable ROM for vendor ID,
product ID, serial number, power descriptor, release
number, and product description strings
- EEPROM (CP2102)
- EPROM (One-time programmable) (CP2109)
- On-chip power-on reset circuit
- On-chip voltage regulator
- 3.3 V output (CP2102)
- 3.45 V output (CP2109)
- 100% pin and software compatible with CP2101
USB Function Controller
- USB Specification 2.0 compliant; full-speed (12 Mbps)
- USB suspend states supported via SUSPEND pins
Asynchronous Serial Data BUS (UART)
- All handshaking and modem interface signals
- Data formats supported:
- Data bits: 5, 6, 7, and 8
- Stop bits: 1, 1.5, and 2
- Parity: odd, even, mark, space, no parity
- Baud rates: 300 bps to 1 Mbps
- 576 Byte receive buffer; 640 byte transmit buffer
- Hardware or X-On/X-Off handshaking supported
- Event character support

Virtual COM Port Device Drivers
- Works with existing COM port PC Applications
- Royalty-free distribution license
- Windows 8/7/Vista/Server 2003/XP/2000
- Mac OS-X/OS-9
- Linux
USBXpress™ Direct Driver Support
- Royalty-Free Distribution License
- Windows 7/Vista/XP/Server 2003/2000
- Windows CE
Example Applications
- Upgrade of RS-232 legacy devices to USB
- Cellular phone USB interface cable
- USB interface cable
- USB to RS-232 serial adapter
Supply Voltage
- Self-powered: 3.0 to 3.6 V
- USB bus powered: 4.0 to 5.25 V
Package
- RoHS-compliant 28-pin QFN (5x5 mm)
Ordering Part Numbers
- CP2102-GM
- CP2109-A01-GM
Temperature Range: –40 to +85 °C

Application

Embedded Systems: They are commonly used in embedded systems for programming and debugging microcontrollers and microprocessors with UART interfaces.
Serial Communication: Connecting UART-based devices, such as microcontrollers, sensors, and industrial equipment, to a USB-enabled computer or host device.
Serial Console Access: Providing a serial console interface for configuration, monitoring, and troubleshooting of networking equipment, such as routers and switches.
Industrial Automation: In industrial automation systems for data acquisition, control, and monitoring using UART-enabled sensors and devices.
IoT (Internet of Things): Enabling UART-based devices to communicate with IoT gateways and cloud services via USB connectivity.
Development and Prototyping: Facilitating the development and prototyping of electronic projects by connecting UART devices to a USB interface on a PC.

Specifications

Product Name	CP2102-GMR	Product Type	USB to UART Bridge
Manufacturer	Silicon Labs	Interface	USB 2.0
UART Interface	CMOS	Operating Voltage Range	3V to 3.6V
Maximum Baud Rate	2 Mbps	Operating Temperature	-40°C to 85°C
Package / Case	28-QFN (5x5)	Features	Integrated USB transceiver, On-chip voltage regulator, On-chip oscillator, 5 GPIO pins, UART signal inversion option, 128-byte receive buffer, 256-byte transmit buffer
Product Status	Not For New Designs	DigiKey Programmable	Not Verified
Protocol	USB	Function	Bridge, USB to UART
Standards	USB 2.0	Voltage - Supply	3V ~ 3.6V
Current - Supply	20mA	Supplier Device Package	28-QFN (5x5)
Base Product Number	CP2102

CP2102-GMR Equivalent Parts

You may consider these replacement and alternative parts:

Part Number

In-Stock

Package

Description

Part Number: CP2104-GMR

In-Stock: 8195

Package:

Description: CP2104-GMR: Similar USB-to-UART bridge controller IC from Silicon Labs with additional features and capabilities.

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Ratings and Reviews

I**c 03/01/2024

I strongly do recommend these sensors. Of the 3 purchased sensors, only 1 shows relatively stable. 2 other temperature jumps to 3-4 degrees. On a normal heat shrinkage flew and exposed that the wire in the casing is not sealed hermetically. And the diameter of the sleeve would like less.

S**a 02/29/2024

I had a fantastic experience with Avaq's customer service when purchasing the CP2102-GMR components. They were knowledgeable, professional, and responsive to all my inquiries.

M**n 11/21/2022

Before the tambov region went 16 days pretty quickly the body like a whole seller respect recommend

E**e 10/03/2022

Avaq's delivery speed exceeded my expectations. I received my CP2102-GMR components faster than anticipated, and they were well-packaged and in perfect condition.