Inx In518 Ic Pinout Diagram Top 👑
The INX IN518 is a monolithic IC designed to manage specific voltage levels within an LCD panel. It is frequently employed in (e.g., in TVs and monitors) to provide stable gamma voltages and sometimes VGH/VGL (Gate High/Low) voltage management. It utilizes a built-in Digital-to-Analog Converter (DAC) to generate precise reference voltages, ensuring accurate color reproduction and image quality on the LCD. 2. INX IN518 IC Pinout Diagram Top View Description
The INX IN518 IC has a standard 8-pin configuration, which is depicted in the following pinout diagram:
For a visual reference, you can find a downloadable pinout and wiring guide at Scribd's Inx In518 Pinout Document . Inx In518 Ic Pinout Diagram TOP | PDF - Scribd
The most common misinterpretation is between and "1N518" . On the tiny surface of a QFN package, the serif font often makes the letter "I" look exactly like the number "1". Searching for "1N518" instead of "IN518" will lead to incorrect results and potential misdiagnoses. inx in518 ic pinout diagram top
| Pin # | Name | Type | Description | |-------|-----------|-----------|----------------------------------------------| | 1 | VDD | Power | Core logic supply (typically 3.3V or 5V) | | 2 | GND | Ground | Digital ground | | 3 | R0 | Input | Red pixel data LSB | | 4-10 | R[1:7] | Input | Red pixel data MSBs | | 11 | GND | Ground | Digital ground | | 12-19 | G[0:7] | Input | Green pixel data | | 20 | VDD | Power | I/O supply | | 21 | B0 | Input | Blue pixel data LSB | | 22-29 | B[1:7] | Input | Blue pixel data MSBs | | 30 | CLK | Input | Pixel clock input | | 31 | HSYNC | Input | Horizontal sync | | 32 | VSYNC | Input | Vertical sync | | 33 | DE | Input | Data enable | | 34 | POL | Output | Polarity inversion signal (to column driver) | | 35 | STH/STV | Output | Start pulse (horizontal or vertical) | | 36 | CPH1 | Output | Source driver clock phase 1 | | 37 | CPH2 | Output | Source driver clock phase 2 | | 38 | OE | Output | Output enable for source drivers | | 39 | VCOM | Output | Common electrode voltage reference | | 40 | GND | Ground | Analog ground |
Field data from display repair centers shows that the switching node () sits directly adjacent to system ground ( GND pins ). Under high-humidity operating environments, micro-condensation can lead to localized copper ion migration. This creates an invisible resistive bridge between the SW track and the ground line, causing the IC to instantly trigger its Internal Short-Circuit Protection (SCP) mechanism and shut down entirely. Step-by-Step Diagnostic Routine
It is highly likely you are looking for the or a similar 8-pin surface mount component. The INX IN518 is a monolithic IC designed
I can provide targeted troubleshooting steps or circuit schematic guidance based on your setup. Share public link
(also often marked simply as ) is a 6-pin SMD power management or DC-DC step-down converter IC, frequently used in the T-CON boards of LCD and LED televisions, such as those from Chi Mei Innolux (INX). Pinout Configuration (Top View)
A boost voltage for the panel's analog circuitry, often around 15V to 17V VCOM / Gamma Voltages: On the tiny surface of a QFN package,
The INX IN518 is a specialized level-shift and timing control IC produced by Innolux Corporation (INX). In LCD and LED panel architectures, these ICs are primarily responsible for receiving logic signals from the Timing Controller (T-CON) board and translating them into the precise high-voltage signals required to drive the rows ( VONcap V sub cap O cap N end-sub VGHcap V sub cap G cap H end-sub ) and columns of the display matrix.
Both form factors utilize , which lacks external terminal pins. Instead, layout pads reside flush on the bottom side of the chip housing, necessitating a precision hot-air reflow strategy for installation or substitution. 2. Reading the Top-View Pinout Diagram
Accepts raw 5.0V or 12.0V DC supplies from the TV mainboard logic gates. SW, LX, BST
What are you repairing, and what symptoms is it showing?
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