TLC5903 Overview
The TLC5903 is a constant current driver that incorporates shift register, data latch, and constant current circuitry with an adjustable current value and a 256 gray scale display that uses pulse width control. The output current can be selected at a maximum of 80 mA with 16 bits or 120 mA with 8 bits. The current value of the constant current output is set by one external register.