全球强度控件添加到 MAX6956 和 MAX6957 静态的 LED 驱动程序

摘要：本应用指南讨论更改显示一次（全球强度控制）的所有LED段的强度，由MAX6956或MAX6957静态LED驱动程序驱动技术。此控件是其他驱动程序已经提供的段的段调整。注释可能下载，协助设计的Excel电子表格的形式包括一个计算器。

Maxim>AppNotes>AUTOMOTIVEDISPLAYDRIVERSKeywords:GPIO,portexpanders,staticLED,LEDdisplaydrivers,LEDdrivers,displaydrivers,SPI,I2C,serial,Jun28,2002blink,3VAPPLICATIONNOTE1141AddingGlobalIntensityControltotheMAX6956andMAX6957StaticLEDDriversAbstract:ThisapplicationnotediscussestechniquestochangetheintensityofalltheLEDsegmentsofadisplayatonce(globalintensitycontrol)drivenbytheMAX6956orMAX6957staticLEDdrivers.Thiscontrolisadditionaltothesegment-by-segmentadjustmentthedriversofferalready.ThenoteincludesacalculatorintheformofanExcelspreadsheetthatmaybedownloadedtoassistdesign.ThisapplicationnotediscussessometechniquesforaddingglobalLEDintensitycontroltotheMAX6956