Description

The MAX25222/MAX25222C are a 4-channel TFT-LCD power ICs thatprovide symmetrical positive AVDD and negativeNAVDD supplies, as well as VGON and VGOFF gate supplies.In addition, a VCOM buffer with output voltage rangeabove and below ground and a temperature measurementblock are integrated.The devices contain non-volatile memory so that the valuesof all outputs can be calibrated for the lifetime of thedevice (maximum five times).Programming is carried out using the built-in I2C interface,which can also be used to read back diagnostic information.A stand-alone mode is available after the device hasbeen programmed.The temperature sensor interface block measures thetemperature, optionally allowing the VCOM output voltageto be adjusted depending on the measured temperature.The MAX25222/MAX25222C2 includes extensive diagnostics to aid infulfilling ASIL-B safety level.The MAX25222/MAX25222C is available in a TQFN package and operatein the -40°C to 125°C temperature range.ApplicationsCentral Information DisplaysInfotainment DisplaysInstrument Clusters