Constant Current LED Driver with PWM Brightness Control for up to 36 LEDs - BD9206EFV

BD9206EFV is an IC with a built-in 6ch high-accuracy (absolute accuracy:±4%) constant-current driver. Capable of lighting a maximum of 36 white LEDs with 6 rows×6 lines. Due to the wide input voltage range (8V to 30V), it can be widely used from a backlights of Note PC and PDA etc. to LED light sources of Scanner and PPC etc. Moreover, it restrain the generation of heat at the time of large current drive because of adoption of high-heat-radiation package(HTSSOP-B20).

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number
Unit Quantity
Minimum Package Quantity
Packing Type
BD9206EFV-E2 Active HTSSOP-B20 2500 2500 Taping Yes
Topology Constant Current
Number of Outputs 6
Dimming PWM
Per Channel Drive(Max.)[mA] 32.0
Ch to Ch Accuracy(Typ.)[±%] 5.0
Vout(Max.)[V] 28.0
Data Vin(Min.)[V] 0.8
Data Vin(Max.)[V] 2.0
LED Open Detection No
Vin(Min.)[V] 8.0
Vin(Max.)[V] 30.0
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
  • ・A wide input voltage range(8V to 30V)
    ・Capable of driving a maximum of 36 white LEDs of 6 seriesx6 parallel
    ・Value of constant current is set by the VSET terminal
    ・Due to the STBY terminal, the consumption current at the time of standby is low
    ・PWM dimming is possible due to the clock input to the EN terminal
    ・Built-in 5V regulator
Pin Configuration:
Pin Configration
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Technical Data
Thermal Resistance

The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.