AC/DC Controller IC for mains dimmable LED lighting - BD555BKFV

The BD555BKFV controller AC/DC controller IC can be used in a wide range of dimmable LED lighting driver applications. The main target application is dimmable retro-fit LED lighting, replacing existing incandescent light bulbs, halogen spot lights, CFL tubes etc.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number
Unit Quantity
Minimum Package Quantity
Packing Type
Constitution Materials List
BD555BKFV-E2 Active SSOP-B14 2500 2500 Taping inquiry Yes
Vin(Min.)[V] 16.0
Vin(Max.)[V] 39.0
Frequency(Max.)[MHz] 0.4
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 110
  • ・Fixed frequency DC/DC controller (selectable)
    ・Peak current or average current control (PCC/ACC)
    ・Dynamic Load Current Controller (DLCC)
    ・Logarithmic compensation of detected dimming level
    ・Dimmer detector function
    ・Anti-flash function when dimmer is OFF
    ・PWM and analog dimming control supported
    ・Over Current Protection (OCP)
    ・Thermal Shutdown protection (TSD)
    ・Under Voltage Lock Out (UVLO)
Technical Data
Application Note

Thermal Resistance