丝印：PCA9745BTW；Package：HTSSOP28；16-channel SPI serial bus 57 mA/20 V constant current LED driver

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16-channel SPI serial bus 57 mA/20 V constant current LED driver

The PCA9745B is a daisy-chain SPI-compatible 4-wire serial 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 co • 16 LED drivers. Each output programmable at:• Off, 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 o;

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