BD18351EFV-M
内置PWM信号生成电路的LED驱动器
BD18351EFV-M
内置PWM信号生成电路的LED驱动器
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,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。
主要规格
功能安全:
特性:
Topology
Boost
Vin(Min.)[V]
4.5
Vin(Max.)[V]
65
Number of Outputs
1
Vout(Max.)[V]
65
Switching Frequency (Max.)[MHz]
0.7
Dimming
PWM
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
125
Package Size [mm]
7.8x7.6 (t=1)
Common Standard
AEC-Q100 (Automotive Grade)
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