Home / Constant Current Driver / Sumacro SUM2033 Sumacro SUM2033 Category: Constant Current Driver Brand: Sumacro Description Description 16-Channel FM-PWM Constant current 1~32 scan LED driver with programmable low knee voltages and true color Related products Macroblock MBI5031 Read more Macroblock MBI5040 Read more Macroblock MBI5030 Read more Chipone ICND2065 PWM LED Driver Read more