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BP2831AJ Non-isolated Buck Offline LED Driver SOP8

BP2831AJ Non-isolated Buck Offline LED Driver SOP8
Bright Power Semiconductor
BP2831AJ Non-isolated Buck Offline LED Driver SOP8
₹​13.50 + 18% GST
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The BP2831AJ is a high precision buck constant current LED driver. The device operates in critical conduction mode and is suitable for 85Vac~265Vac universal input offline LED lighting. 

The BP2831AJ integrates a 500V power MOSFET. With patent pending MOSFET driving technique, the operating current of the IC is very low. So it doesn’t need the auxiliary winding for supplying the chip. It can achieve excellent constant current performance with very few external components, so the system cost and size are minimized. 

The BP2831AJ utilizes patent pending current control method. It can achieve precise output current and excellent line regulation. The driver operates in critical conduction mode, the output current does not change with the inductance and LED output voltage.

The BP2831AJ offers rich protection functions to improve the system reliability, including LED open circuit protection, LED short circuit protection, VCC under voltage protection, CS resistor short circuit protection and thermal regulation function.


  • Critical Conduction Mode Operation
  • Internal 500V Power MOSFET
  • No Auxiliary Winding
  • Ultra Low Operating Current
  • ±5% LED Output Current Accuracy
  • LED Open Protection
  • LED Short Protection
  • Current Sensing Resistor Short Protection
  • VCC Under Voltage Protection
  • Thermal Regulation Function


Technical Resources


  • LED Candle Light
  • LED Bulb
  • Other LED Lighting

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