: A variation of the gate high voltage often used for timing or protection.
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Because the IN518 is an application-specific IC, you must locate the datasheet for your exact device or the schematic of your LCD panel. Different batches of IN518 may have different pin arrangements. Inx In518 Ic Pinout Diagram
: Handles the timing signals that ensure images are displayed correctly.
The versatility of the Inx In518 IC makes it a popular choice in several electronics sectors: : A variation of the gate high voltage
The (often listed as 1N518 or INX IN518) is a specialized, high-performance integrated circuit widely utilized in the electronics repair industry, particularly for managing LCD display panels and LED backlighting. Commonly found in QFN-16 or QFN-40 packages, this chip is renowned for its reliability and efficiency in driving display backlight circuits.
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): The IC takes a set of reference voltages and uses internal resistor ladders and buffers to generate the nonlinear gamma curve. The outputs are usually connected to the data driver ICs.
INNOLUX Panel Backlight ok No display,,in518 DC to DC ic change Different batches of IN518 may have different pin
| Pin # | Symbol | Type | Description | | :--- | :--- | :--- | :--- | | | VIN | Power | Main power supply (usually 3.3V or 5V) | | 2 | EN | Input | Chip enable (Active High) | | 3 | GND | Ground | Analog ground | | 4 | SW | Output | Switching node for boost converter (connects to inductor) | | 5 | VGH | Output | Gate On Voltage (+15V to +30V) for TFT turn-on | | 6 | VGL | Output | Gate Off Voltage (-5V to -10V) for TFT turn-off | | 7 | AVDD | Output | Analog power for Source Driver (+8V to +13V) | | 8 | VCOM | Output | Common electrode voltage (Typically half of AVDD) | | 9 | FB | Input | Feedback pin for voltage regulation | | 10 | REF | Input | External reference voltage input | | 11-20 | NC | - | No Connect / Test Pins |