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 MBI5041 Read more Chipone ICND2065 PWM LED Driver Read more Macroblock MBI5158 PWM Time-Multiplexing LED Driver Read more Chipone ICND2053 / ICN2053 Read more