16通道Fm+ I²C总线57 mA/20 V恒定电流LED驱动器

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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