Description
Product Overview
The PL2303GL Download Cable is a modern, highly compatible USB to TTL serial converter cable designed to bridge the gap between your computer’s USB port and embedded systems requiring serial communication . Based on the advanced PL2303GL chip from Prolific Technology, this cable provides a simple plug-and-play solution for programming, debugging, and communicating with microcontrollers, routers, and other UART-enabled devices .
What sets the PL2303GL apart is its enhanced operating system compatibility. The PL2303GL is designed to replace the discontinued PL2303TA chip and offers native support for Windows 11 and the latest operating systems, solving the driver compatibility issues that plagued older PL2303 variants . The chip is fully compliant with USB Specification v2.0 (Full-Speed) and features an on-chip USB 1.1 transceiver and 5V to 3.3V regulator .
Unlike traditional USB-to-TTL adapters that come as bare boards, this cable integrates the conversion electronics directly into the USB connector housing, with four color-coded flying leads at the end. This design makes it exceptionally easy to connect to your target device using jumper wires or direct soldering .
The PL2303GL is optimized for mobile and embedded solutions, providing a compact and easy-to-adapt solution for any connector and handheld device. With very low power consumption in operation or suspend mode, it can be powered directly from the connected device’s USB bus .
Key Features
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Modern PL2303GL Chipset: Based on the advanced Prolific PL2303GL USB-to-UART bridge controller, offering full USB 2.0 compliance and enhanced driver compatibility .
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Native Windows 11 Support: Designed to replace the discontinued PL2303TA with full support for Windows 11 and other modern operating systems .
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Pre-stripped Color-coded Wires: Four clearly identified flying leads (Red, Black, White, Green) for easy connection—no soldering required for basic use .
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5V Power Output (500mA): Red wire provides 5V at up to 500mA from the USB port, capable of powering low-energy target devices directly .
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3.3V Logic Level Signaling: RX and TX pins operate at 3.3V levels, compatible with most modern microcontrollers and single-board computers .
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On-chip 5V to 3.3V Regulator: Built-in voltage regulation eliminates the need for external level shifters in many applications .
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High-Performance Data Buffers: 1024-byte bi-directional data buffers (768-byte receive / 256-byte transmit) for reliable high-speed communication .
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Industrial Temperature Range: Rated for operation from -40°C to +85°C, suitable for demanding environments .
Technical Specifications
| Parameter | Operating Value |
|---|---|
| Chipset | Prolific PL2303GL |
| USB Compliance | USB 2.0 Full-Speed |
| Cable Length | Approx. 100cm (1m) |
| USB Connector | USB Type-A Male |
| Output Leads | 4 wires (Red, Black, White, Green) |
| Power Output (Red) | 5V DC |
| Logic Level | 3.3V (RX/TX pins) |
| Baud Rate Range | 75 bps – 6 Mbps (programmable) |
| Data Buffer | 1024 bytes (768 RX / 256 TX) |
| Operating Current | 9.5mA typical |
| Operating Temperature | -40°C to +85°C |
| Compatible OS | Windows 11, 10, 8, 7, macOS, Linux |





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