PL2303HX USB to Serial Bridge Controller IC

PL2303HX USB to Serial Bridge Controller IC 

The PL2303HX is a USB-to-Serial bridge controller IC that enables seamless communication between a USB interface and a standard UART (RS-232) serial port. It allows devices with USB ports to connect to legacy serial peripherals, such as modems, sensors, microcontrollers, and industrial equipment. The IC supports full USB 2.0 compliance and provides reliable data transfer with minimal external components. It is commonly used in embedded systems, development boards, and USB-to-RS232 adapters.

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Features

• USB 1.1 and USB 2.0 full-speed compatible
• Converts USB to standard RS-232 serial signals
• Supports data transfer rates up to 1 Mbps
• Low power consumption, suitable for battery-powered devices
• Integrated voltage regulator and clock oscillator
• Standard UART interface with RTS, CTS, DTR, DSR, DCD, and RI signals
• No external EEPROM required for default configuration
• Supports Windows, Linux, and macOS drivers
• Compact IC package for easy PCB integration

Applications

• USB-to-RS232 serial adapters
• Microcontroller and embedded system programming
• Industrial automation and control equipment
• Modems, printers, and legacy serial devices
• POS systems and barcode scanners
• Data acquisition systems
• Development boards and prototyping platforms