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Partnumber	Manufacturer	Quantity	Availability
PL-2303 Manufacturer: PROLIFIC, WOLOO PL-2303 USB to RS-232 Bridge Controller Product Datasheet
PL-2303,PL2303	PROLIFIC, WOLOO	10453	In Stock
Description and Introduction PL-2303 USB to RS-232 Bridge Controller Product Datasheet The PL-2303 is a widely used USB-to-serial bridge controller designed to facilitate seamless communication between USB ports and legacy serial interfaces. Developed by Prolific Technology Inc., this integrated circuit (IC) enables devices with RS-232 serial ports to connect to modern computers via USB, eliminating the need for dedicated serial hardware. The PL-2303 is known for its reliability, ease of integration, and broad compatibility with various operating systems, including Windows, Linux, and macOS. It supports full-speed USB 2.0 (12 Mbps) and complies with USB CDC (Communication Device Class) standards, ensuring plug-and-play functionality with minimal driver installation. Common applications include industrial automation, embedded systems, and consumer electronics where serial communication is still prevalent. Its compact design and low power consumption make it suitable for portable devices and development boards. Additionally, the PL-2303 features built-in signal conditioning, reducing the need for external components. While counterfeit versions of this IC exist in the market, genuine PL-2303 chips provide stable performance and consistent driver support. Engineers and hobbyists alike rely on this component for reliable USB-to-serial conversion in diverse technical environments. Overall, the PL-2303 remains a practical solution for bridging legacy serial devices with modern computing systems.
Application Scenarios & Design Considerations PL-2303 USB to RS-232 Bridge Controller Product Datasheet
Alternative Part Number CH340G --: Low-cost USB-to-serial bridge chip that is a common drop-in functional replacement for the PL2303 in many designs, widely available and well documented. CP2102 --: Highly reliable USB-to-UART bridge with mature drivers and broad OS support, often used as a higher-quality substitute for the PL2303. FT232RL --: Industry-standard USB-to-serial converter with excellent driver support and stability, suitable when a more robust alternative to the PL2303 is required. CH340G --: Pin-compatible USB-to-serial bridge widely used as a direct PL2303 replacement, with mature drivers and low cost. CP2102 --: Well-established USB-to-UART bridge with stable cross-platform drivers and similar functionality to the PL2303. FT232RL --: Premium USB-to-serial converter offering high reliability and broad driver support, suitable when PL2303 availability is limited. CH340G --: Low-cost USB-to-serial bridge IC that is a common drop-in functional replacement for the PL-2303 in many designs, widely available and well documented. CP2102 --: Popular USB-to-UART bridge with stable drivers and broad OS support, suitable as a functional substitute when pinout and package are adapted. FT232RL --: Industry-standard USB-to-serial converter with mature drivers and high reliability, a strong alternative when cost is less critical than robustness.

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