IS31FL3761
DESCRIPTION
The IS31FL3761 is a general purpose 33 × n (n=12~1) LED Matrix programmed via 1MHz I2C or 12MHz SPI patible interface. Each LED can be dimmed individually with 12-bit PWM data, and each color sink can have 8-bit DC scaling data which allows 4096 steps of linear PWM dimming and each color sink has 64 steps of DC current adjustable level. The output current of each channel is designed to be 30m A, which can be adjusted by 8-bit global control register and the SL registers. Proprietary algorithms are used in IS31FL3761 to minimize power bus noise caused by passive ponents on the power bus such as MLCC decoupling capacitor.
Additionally, each LED open and short state can be detected, IS31FL3761 stores the open or short information in Open/Short Registers. The Open/Short Registers can be read out via I2C/SPI patible interface, inform MCU whether there are LEDs open or short and the locations of open or short LEDs.
The IS31FL3761 operates from 2.7V to 5.5V and features a very low...
