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大型LCD面板用白色LED驱动器_BD9422EFV

BD9422EFV是大型LCD面板用高效率白色LED驱动器。此IC的6个通道内置了大电流驱动、高速脉冲响应型恒流LED驱动器,1个通道内置了升压型DCDC。BD9422EFV针对异常状态配备了过电压保护(OVP) 、LED OPEN・SHORT保护、DCDC的过电流保护(OCP)等各种保护功能。因此,BD9422EFV可在大范围输出电压下进行自动防故障设计。

* 本产品是标准级的产品。本产品不建议使用的车载设备。
型号
Status
封装
包装数量
最小独立包装数量
包装形态
RoHS
BD9422EFV-E2 供应中 HTSSOP-B40 2000 2000 Taping Yes
 
特性:
Topology Boost
Number of Outputs 6
Vin(Min.)[V] 9.0
Vin(Max.)[V] 35.0
Per Channel Drive(Max.)[mA] 400.0
Frequency(Max.)[MHz] 0.5
Integrated FET No
Dimming PWM
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
特点:
  • ・6ch Constant LED drivers, available 400mA drive per 1ch.
    ・Constant current accuracy ±1.8% (IC only)
    ・Each 6ch external PWM inputs can control independent dimming .
    ・Current analog (linear) dimming by VREF
    ・1ch boost controller with current mode (external FET)
    ・Several protection functions
     DCDC part : OCP/OVP/UVLO/TSD
     LED driver part :OPEN,SHORT detection
    ・SHORT detection voltage is set by LSP terminal. Error detection output FAIL terminal inside (normal=Open, error=Drain)
    ・Master/Slave mode inside
 
 
 
 
技术信息
Application Note

Thermal Resistance