| Pin # | Name | Type | Description (Typical for IN518) | |-------|------|------|--------------------------------| | 1 | VDD | Power | 3.3V supply | | 2 | GND | Ground | Ground | | 3 | IF_P | Output | I/Q Positive signal output | | 4 | IF_N | Output | I/Q Negative signal output | | 5 | GND | Ground | Ground | | 6 | VCO_IN | Input | VCO tuning voltage | | 7 | GND | Ground | Ground | | 8 | CLK_IN | Input | Reference clock input | | 9-16 | NC | - | Not connected internally | | 17-24 | NC | - | Not connected internally | | 25 | GND | Ground | Ground | | 26 | RESET | Input | Chip reset (active low) | | 27 | GND | Ground | Ground | | 28 | VDD_PA | Power | Power amplifier supply | | 29 | RF_OUT | Output | Transmitter RF output | | 30 | GND | Ground | Ground | | 31 | VDD | Power | 3.3V supply | | 32 | GND | Ground | Ground |
and other LCD panels for signal conditioning, voltage regulation, and power management. Common Versions:
The information available for the INX IN518 IC indicates it is a specialized component, likely related to display panels or power management, commonly found in laptop and tablet motherboards. Component Overview
Use a multimeter to ensure no short circuits exist between pins, especially the ground pad. inx in518 ic pinout diagram top
The is a critical multi-channel DC-to-DC converter and power management chip specifically engineered for Innolux (INX) LCD/LED display panels . Found predominantly on T-CON (Timing Controller) boards, it takes a base supply voltage (typically 12V or 5V ) and steps it up or down to generate the precise voltage rails required to power the liquid crystals, source drivers, and gate drivers.
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Alternatively, if you're working on a repair, I can provide tips on: How to check for on the board Soldering techniques for 8-pin packages Share public link | Pin # | Name | Type |
The IN518 integrates several classical power management blocks into a single QFN-40 package. Its internal architecture likely includes:
For electronic repair technicians and DIY enthusiasts working on modern LCD TV panels, the INX IN518 integrated circuit is both ubiquitous and elusive. Widely used as a key component on T-Con (Timing Controller) boards, this chip plays a critical role in powering display panels. However, finding official datasheets or clear pinout diagrams for the IN518 can feel like an exercise in frustration. This comprehensive guide compiles all available information on the INX IN518, with a detailed focus on its top marking interpretations, pinout configurations, and practical applications, saving you hours of research and guesswork.
For the independent repair professional, mastering the IN518's pinout and power tree is a highly valuable skill, as it enables the reliable diagnosis of a common failure mode that would otherwise render a screen useless. While a full official datasheet remains elusive, the collaborative knowledge built from repair logs provides a robust roadmap for repair. The is a critical multi-channel DC-to-DC converter and
The is a highly specialized, multi-channel DC-to-DC power management and gamma correction integrated circuit extensively utilized in modern LCD/LED television and monitor T-CON (Timing Controller) boards . Commonly manufactured for Innolux (INX) panel modules, this critical chip generates vital bias voltages—such as VGH (Voltage Gate High), VGL (Voltage Gate Low), AVDD, and VCOM —required to control the liquid crystal sub-pixels. When an LCD display goes blank, suffers from a white screen, or develops horizontal lines, troubleshooting often traces back directly to a failed IN518 chip.
On these boards, the IN518 works in conjunction with a few key companion chips: