LCD Controller Board - Mini HDMI to 40-Pin FPC with Capacitive Touch Support for 4.3" TFT Panels RTD2281-V1.0JI

Overview

The RTD2281-V1.0JI is a high-performance, multi-function LCD controller board designed for 4.3-inch TFT LCD panels with 40-pin FPC interfaces (resolutions up to 800x480). Equipped with a Mini HDMI input and Realtek RTD2281 chipset, this compact driver board provides seamless video signal conversion and supports 6-wire capacitive touch pass-through. It is an ideal solution for engineers, developers, and DIY enthusiasts looking to drive small-sized LCD screens for Raspberry Pi, PC secondary displays, and embedded control devices.

Please Note: This product includes the LCD driver board only. The 4.3-inch TFT LCD panel and touch screen are NOT included.

Key Features

• High-Compatibility Driver Chip: Powered by the Realtek RTD2281 chipset, supporting resolutions up to 800x480 @ 60Hz.
• Mini HDMI Input: Standard CN4 Mini HDMI connector for reliable high-definition digital video input.
• Capacitive Touch Support: On-board 6-wire capacitive touch interface (CN15 FPC 0.5mm / J3 MX1.25) with USB touch signal pass-through to host systems.
• Flexible Power Options: Dual 5V DC power inputs via Type-C (CN2) or Micro USB (CN1).
• 40-Pin FPC LCD Output: Standard 0.5mm pitch 40-pin connector (CN3) designed for 4.3" TFT display panels.
• Integrated OSD Keys: Features 5 tactile SMD buttons (MENU, UP, DOWN, EXIT, POWER) with multi-language OSD menu control.
• Ultra-Low Standby Power: Efficient power management with board standby consumption under 0.2W.

Technical Specifications

Interface Definition

• CN2 / CN1: 5V DC Power Input & USB Data Sync for Touch Control
• CN4: Mini HDMI Video Signal Input
• CN3: 40-Pin TTL LCD Screen Output
• CN15 / J3: 6-Pin Capacitive Touch Panel Connector (3.3V Power)

Package Includes

• 1x RTD2281-V1.0JI LCD Controller Board