Constant current driver chip is aimed at LED market.In order to meet the global AC voltage,integrted high voltage power transistor and protection circuit are employed to save the cost and volume of the system.


  • Integrated compensation circuit of the load,input voltage compensation Function
  • Cycle detection function
  • Built-in 600V power transistor
  • Built-in 500ns leading edge blanking function
  • Cycle by cycle over current detection,open circuit protection,short circuit protection,over temperature protection function


  • LED flourescent lamp
  • E14/PAR30/PAR38/PAR30/E27 LED lamp
  • LED projection lamp/landscape lamp
ProductPower TransistorOperation CurrentOver Temperature ProtectionOpen Circuit ProtectionCurrent AccuracyDimming FunctionApplicationsPackage
TMC3017Built-in 600V<1mABuilt-inYES±3%PWM/analogLED spotlight LED fluorescent lamp LED landscapeSOP8
TMC3106Built-in 600V200uABuilt-inYES±3%N/ASmall Power LED Bulb GU10LED Spotlight LED CandleSOP8


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