Home / Constant Current Driver / Sumacro SUM2033 “Macroblock MBI5043 S-PWM [16-Channel]” has been added to your cart. View cart 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 MBI5038 for Traffic Signs [16-Channel] (Error Detection) Read more Sumacro SUM2017T Read more Macroblock MBI5158 PWM Time-Multiplexing LED Driver Read more Macroblock MBI5045 S-PWM [16-Channel] (Error Detection) Read more