FeaturesInternal GS Clock, PWM LED Driver, Thermal ShutdownData transfer rate (Typ) (MHz)30Ch to ch accuracy (Typ) (+/- %)2RatingCatalogOperating temperature range (C)-40 to 85open-in-newFind other Signage LED display drivers
The TLC5947 is a 24-channel, constant-current sink LED driver. Each channel is
individually adjustable with 4096 pulse-width modulated (PWM) steps. PWM control is repeated
automatically with the programmed grayscale (GS) data. GS data are written via a serial interface
port. The current value of all 24 channels is set by a single external resistor.
The TLC5947 has a thermal shutdown (TSD) function that turns off all output drivers
during an over-temperature condition. All of the output drivers automatically restart when the
temperature returns to normal conditions.