Description

The MAX25220/MAX25221/MAX25221B/MAX25221C are a 4-channel TFT-LCD power IC that provides symmetrical positive AVDD and negative NAVDD supplies as well as VGON and VGOFF gate supplies. In addition, a VCOM buffer with output voltage range above and below ground and a temperature measurement block are integrated (MAX25221/B/C).The device contains non-volatile memory so that the values of all outputs can be calibrated for the lifetime of the device (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 also available.The temperature sensor interface block measures the temperature optionally allowing the VCOM output voltage to be adjusted depending on the measured temperature.The MAX25220/MAX25221/MAX25221B/MAX25221C are available in a TQFN package and operates in the -40°C to +125°C temperature range.ApplicationsCentral Information DisplaysInfotainment DisplaysInstrument Clusters