16通道Fm+ I2C總線57 mA/20 V恒定電流LED驅動器

The PCA9955B is an I2C-bus controlled 16-channel constant current LED driver optimized for dimming and blinking 57 mA Red/Green/Blue/Amber (RGBA) LEDs in amusement products. Each LED output has its own 8-bit resolution (256 steps) fixed frequency individual PWM controller that operates at 31.25 kHz ? 16 LED drivers. Each output programmable at:? Off\n? On\n? Programmable LED brightness\n? Programmable group dimming/blinking mixed with individual LED brightness\n? Programmable LED output delay to reduce EMI and surge currents\n? Gradation control for all channels? Each channel can assign to one;

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16-channel Fm+ I2C-bus 57 mA constant current LED driver

The PCA9952 and PCA9955 are I2C-bus controlled 16-channel constant current LEDdriver optimized for dimming and blinking 57 mA Red/Green/Blue/Amber (RGBA) LEDs inamusement products. Each LEDn output has its own 8-bit resolution (256 steps) fixedfrequency individual PWM controller that operates at 31. ? 16 LED drivers. Each output programmable at:? Off\n? Programmable LED brightness\n? Programmable LEDs output enable delay to reduce EMI and surge currents\n? Output current adjusted through an external resistor\n? ±6 % between output channels\n? Open/short load/overtemperature detection mode t;

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