Are you currently troubleshooting a specific or looking for a circuit schematic for this IC?
If your LCD has a blank screen after a power surge, the IN518 display driver may be damaged. inx in518 ic pinout diagram top
You may find it labelled with a shorthand code on the chip surface. Detailed cross-references for these 6-pin chips can often be found on technical sharing sites like Substitutes: Are you currently troubleshooting a specific or looking
— Detects overcurrent or sets peak current. inx in518 ic pinout diagram top