驱动4-1/2数字计数器显示与MAX6958/59 LED驱动器

摘要：本应用笔记提供关于如何连接MAX6958和MAX6959LED显示驱动器，计数器显示应用程序需要显示范围-39999到39999没有小数点5位LED显示的细节。

Maxim>AppNotes>AUTOMOTIVEDISPLAYDRIVERSKeywords:MAX6958,MAX6959,LEDdrivers,stickdisplays,panelmeters,counters,leddisplaydriversMar21,2003APPLICATIONNOTE1942Driving4-1/2DigitCounterDisplayswiththeMAX6958/59LEDDriversAbstract:ThisapplicationnoteprovidesdetailsonhowtoconnecttheMAX6958andMAX6959LEDdisplaydriversto5-digitLEDdisplaysforcounterdisplayapplicationsrequiringthedisplayrange-39999to39999withoutdecimalpoints.TheMAX6958andMAX6959are4-digit,9-segmentLEDdriverswhichuseareducedpincountmultiplexingschemetodrive36segmentsusingonly10drivepins(Table1).Thisapplicationnotediscussesatechniquetodrivea5th,additionaldigit.A5thdigitisrequiredforcounterdisplayapplicat