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 MBI5045 S-PWM [16-Channel] (Error Detection) Read more Sumacro SUM20167 Read more Sunmoon SM16206 Read more Macroblock MBI5040 Read more