PCA9633TK - NXP

Description: 4 LED drivers. Each output programmable at: – Off – On – Programmable LED brightness – Programmable group dimming/blinking mixed with individual LED brightness • 1 MHz Fast-mode Plus I2C-bus interface with 30 mA high drive capability on SDA output for driving high capacitive buses • 256-step (8-bit) linear programmable brightness per LED output varying from fully off (default) to maximum brightness using a 97 kHz PWM signal • 256-step group brightness control allows general dimming (using a 190 Hz