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CP2102

Name: CP2102
Rating: 4.7 (12 reviews)

USB Interface IC

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資料表 CP2102 DataSheet
有現貨的20213

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規格

Packaging	Tray
Standard Pack Qty	73

概述

Description

The CP2102 is a USB-to-UART bridge controller developed by Silicon Labs. It enables communication between USB and serial devices, typically used in embedded systems. The chip provides a simple solution for connecting microcontrollers and other UART-based devices to a computer’s USB port, facilitating data transfer and device programming.
Key features of the CP2102 include a maximum baud rate of 1 Mbps, built-in digital signal processing, and support for various data formats. It also includes GPIO pins that can be configured for additional functionalities. The chip requires no external components, making it easy to integrate into projects.
The CP2102 is commonly found in applications such as USB communication with microcontrollers, wireless modules, and development boards like Arduino. Its compact size and ease of use make it a popular choice for hobbyists and professionals alike when needing to establish a reliable serial connection over USB.

Features

The CP2102 is a USB to UART bridge controller widely used for connecting microcontrollers and other devices to USB. Key features include:
1. USB Compliance: Supports USB 2.0 full-speed (12 Mbps) communication.
2. UART Interface: Provides a standard UART interface with configurable baud rates up to 1 Mbps.
3. Integrated Level Shifters: Allows for direct connection to 3.3V and 5V devices.
4. No External Components Required: Includes built-in oscillators and voltage regulators, simplifying design.
5. Virtual COM Port: Creates a virtual COM port on the host computer for easy serial communication.
6. GPIO Pins: Features additional GPIO pins for customizable functions like control signals.
7. Driver Support: Compatible with Windows, macOS, and Linux, with easy-to-install drivers.
8. Low Power Consumption: Designed for portable applications with low power requirements.
Overall, the CP2102 is a versatile and efficient solution for serial communication in embedded systems.

Package

The CP2102 is typically available in a 28-pin QFN (Quad Flat No-lead) package or a 28-pin TSSOP (Thin Shrink Small Outline Package). These compact package types facilitate integration into various electronic devices for USB-to-UART communication applications.

Pinout

The CP2102 is a USB to UART bridge controller with a total of 16 pins. Here are the pin counts and their primary functions:
1. VDD (Pin 1): Supply Voltage (3.3V to 5.25V).
2. GND (Pin 2): Ground.
3. TXD (Pin 3): Transmit Data (UART output).
4. RXD (Pin 4): Receive Data (UART input).
5. RTS (Pin 5): Request to Send (control signal).
6. CTS (Pin 6): Clear to Send (control signal).
7. DTR (Pin 7): Data Terminal Ready (control signal).
8. DSR (Pin 8): Data Set Ready (control signal).
9. DCD (Pin 9): Data Carrier Detect (control signal).
10. RI (Pin 10): Ring Indicator (control signal).
11. GPIO0 - GPIO3 (Pins 11-14): General Purpose Input/Output pins.
12. VUSB (Pin 15): USB Voltage Supply (for powering the chip).
13. USB_D+ (Pin 16): USB Data Line Positive.
14. USB_D- (Pin 17): USB Data Line Negative.
These pins facilitate UART communication and USB connectivity, making the CP2102 a versatile component in embedded systems.

Manufacturer

The CP2102 is manufactured by Silicon Labs, a company that specializes in high-performance, mixed-signal integrated circuits (ICs) designed for various applications. Founded in 1996 and based in Austin, Texas, Silicon Labs focuses on the Internet of Things (IoT), automotive, industrial, and consumer markets. The CP2102 is a USB-to-UART bridge controller that enables easy integration of USB connectivity in devices, making it widely used in embedded systems and development projects. Silicon Labs is known for its innovation in low-power and energy-efficient solutions, contributing to advancements in electronic design and connectivity.

Application

The CP2102 is a USB-to-UART bridge widely used in applications such as interfacing microcontrollers with USB, enabling serial communication for devices like GPS modules, Bluetooth and Wi-Fi modules, and sensor systems. It's commonly found in development boards, embedded systems, and IoT applications, facilitating easy connection between USB-enabled devices and serial peripherals. Additionally, it is used in programming and debugging tools for embedded systems.

Equivalent

Equivalent products to the CP2102 chip include the FT232R, CH340G, PL2303, and FT201X. These chips serve similar purposes as USB-to-UART bridges, facilitating serial communication between USB and microcontrollers or other devices. Each has distinct features and compatibility, so selection depends on specific application requirements.