The PS421TQFP100G-A0 is a DisplayPort to HDMI converter manufactured by Parade Technologies. This chip is designed to facilitate the connection between devices using different display interfaces, specifically converting DisplayPort signals to HDMI signals, allowing devices with a DisplayPort output to connect to displays or devices that only support HDMI input.

Applications

• Docking Stations: Used in docking stations to provide HDMI outputs from DisplayPort enabled laptops or devices.
• Graphics Cards: Integrated into graphics cards to offer HDMI connectivity alongside DisplayPort.
• Motherboards: Used on motherboards to provide HDMI output from integrated DisplayPort controllers.
• Display Adapters: Found in external display adapters for converting DisplayPort to HDMI for older monitors.
• Embedded Systems: Implemented in embedded systems requiring HDMI output from a DisplayPort source.

Features

• DisplayPort 1.2a Input: Supports DisplayPort input up to version 1.2a.
• HDMI 1.4b Output: Supports HDMI output up to version 1.4b, including support for 4K resolution at 30Hz.
• HDCP Support: Supports High-bandwidth Digital Content Protection (HDCP) for secure content playback.
• Audio Support: Supports audio transmission over HDMI.
• TQFP100 Package: Available in a TQFP100 package for surface mount assembly.

Benefits

• Interoperability: Enables connectivity between devices with DisplayPort and HDMI interfaces.
• High-Resolution Support: Supports up to 4K resolution, providing high-quality video output.
• Content Protection: HDCP support ensures secure playback of protected content.
• Audio Integration: Simplifies system design by integrating audio and video conversion.
• Easy Integration: The TQFP100 package allows for easy integration into various system designs.

The PS421TQFP100G-A0 receives DisplayPort signals, decodes them, and encodes them into HDMI-compatible signals. The device typically requires an external power supply and some passive components for proper operation. It supports various video resolutions and refresh rates, up to 4K at 30Hz, depending on the DisplayPort input and HDMI output capabilities. This converter also integrates audio transmission, allowing audio signals to be embedded within the HDMI output. The HDCP support ensures that protected content, such as Blu-ray movies, can be played back without issues. Datasheets and application notes provide detailed information on pin configurations, electrical characteristics, and recommended PCB layout guidelines. The chip facilitates a seamless connection between different display interfaces, making it a versatile component for a wide range of applications that require DisplayPort to HDMI conversion.