
Integrated Silicon Solution
GENERAL DESCRIPTION
IS31FL3730 is a LED matrix driver which features an audio modulation display mode and a general LED dot matrix display mode. The default configuration of IS31FL3730 is to drive a single 8×8 LED matrix. However, IS31FL3730 may be configured to drive either one or two 8×8, 7×9, 6×10, or 5×11 dot matrix display(s). The intensity of any matrix picture can be modulated by an audio signal.
FEATURES
● 2.7V to 5.5V supply
● I2C interface, automatic address increment
function
● Internal reset register
● Programmable single or dual 8×8, 7×9, 6×10, or
5×11 LED matrix display mode
● One-time programming, internal scan
● Audio modulated display intensity with digitally
programmable input gain
● Internal registers to digitally adjust display
intensity
● Modulate LED brightness with 128 different items
in PWM
● One address pin with 4 logic levels to allow four
I2C slave addresses
● Over-temperature protection
● QFN-24 (4mm × 4mm) package
APPLICATIONS
● Mobile phones and other hand-held devices for
LED display
● LED in home appliances