TLC5902 Overview
The TLC5902 is a constant current driver that incorporates shift register, data latch, and constant current circuitry with a current value adjustable and 256 gray-scale display that uses pulse width control. The output current can be selected as maximum 80 mA with 16 bits or 120 mA with 8 bits. The current value of the constant current output is set by one external resister.