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内置PWM信号生成电路的LED驱动器_BD18351EFV-M

BD18351EFV-M是内置1ch升压控制器的LED驱动器。本LSI通过对LED电流设定进行相对于输出电压的高边检测实现升压/降压,最适合车头灯/DRL、车尾灯、转向灯的LED驱动。内置了CRTIMER,在需要进行DRL等的PWM调光的应用中,无需微控制器即可进行PWM调光,可实现组件的低成本化和小型化。

型号
Status
封装
包装数量
最小独立包装数量
包装形态
RoHS
BD18351EFV-ME2 供应中 HTSSOP-B24 2000 2000 Taping Yes
 
特性:
Topology Boost
Number of Outputs 1
Vin(Min.)[V] 4.5
Vin(Max.)[V] 65.0
Vout(Max.)[V] 65.0
Frequency(Max.)[MHz] 0.7
LDO No
Auto Luminous Control No
Synchronous No
Integrated FET No
Dimming PWM
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 125
特点:
    • AEC-Q100 qualified.
    • Built-in Switching DC / DC Controller.
    • LED Current Setting High Side Detection Method
    • LED Current Precision: ±3.0% (–40°C to 125°C)
    • PWM Signal Generation Circuit with Built-in CRTIMER
      (External PWM Dimming Control is possible. )
    • Built-in Spread Spectrum Function
    • Built-in LED Open Detection Function
    • Built-in LED Anode to Ground Short Function
 
 
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技术信息
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.