BD9422EFV
大型LCD面板用白色LED驱动器

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。

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主要规格

 
型号 | BD9422EFV-E2
Status | 可购买
封装 | HTSSOP-B40
包装数量 | 2000
最小独立包装数量 | 2000
包装形态 | Taping
RoHS | Yes

特性：

Topology

Boost

Vin(Min.)[V]

9

Vin(Max.)[V]

35

Per Channel Drive(Max.)[mA]

400

Number of Outputs

6

Switching Frequency (Max.)[MHz]

0.5

Dimming

PWM

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Package Size [mm]

13.6x7.8 (t=1)

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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
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